--I I !. ! 
, " I • f DATE: 13 MARCH 2002 TO: MIKE MURPHY FROM: JIMPIERCEr SUBJECT: SANITARY SEWER SURCHARGE STATUS REPORT Sanitary sewage samples were obtained in June, July and August of 2001
from "temporary" sampling sites that were suggested by our Consultant, Freese & Nichols (F&N), and approved by Dallas Water Utilities (DWU). A summary of the sampling results follows:
MONTH AVERAGE BOD AVERAGE SUSPENDED SOLIDS JUNE 235 mg/I 270mg/1 JULY 183 mg/I 223 mg/! AUGUST 245 mg/I 285 mg/! Average ofAverages 234mg/l 259 mg/! The "allowable" BOD and Suspended
Solids value for DWU is 250 mg/I each. As a result of this sampling, only suspend solids cause a surcharge, and a small one at that (259 mg/I vs. 250 mg/I). Consequently, the past surcharge
amounts were recalculated based on the three-month's sampling results. A summary sheet is attached which shows the recalculations. Addison had actually paid a total amount of surcharges
for July 200 I through September of 2001 of $54,563.23. The sampling results, when applied, gave us a credit of $50,524.50 toward the payment of future surcharge amounts. Surcharge payments
were suspended after September 2001, pending the results ofthe study. 
The Town has authorized F&N to design new sampling manholes that will be used for future samplings. This project is about 95% complete and the plans will be sent to DWU for approval
in the near future. In the meantime, DWU has not billed us for any surcharges. It is our understanding that if they do bill us for surcharges, it would be at the much reduced rate that
resulted from our sampling. Therefore, as a result of this process, and based on the last several months of surcharge fees, the Town stands to realize a cost savings of between $20,000
and $30,000 per month. 
/Q dallas water Uhlltles CIty of dallas November 7, 2001 To: All Wholesale Water Customers Due to an unforeseen and unavoidable conftict, we regret to inform you. that the Conservation
Strategy meeting scheduled for November 12,2001, has had to be rescheduled. The meeting will now be held on December 13, 2001, at 7:45 a.m. at the Radisson Hotel Suites, 2330 W. Northwest
Highway, Cambridge/Oxford Meeting Room. We apologize for any inconvenience this change may cause you. As before, the general topics of discussion will be: • Review and Presentation of
Dallas Program • Customer City Involvement • Discussions/Questions We encourage you to send a representative to this meeting. It is suggested your representative be knowledgeable about
your city's current policy on conservation and have a working knowledge of your city's water system. Please RSVP by calling Shiva at 214/670-5888 before December 7th. We look forward
to seeing you at the meeting. Randy Stalnaker Manager Wholesale Services Division Our Vision: To be an efficient provider of superior waler and wastewater service and a leader in the
water industry. Dollo. Water Utilities Deportment· 1500 Morillo 4AN Dollo., Texas 75291 Telephone: (2141670-3146 • Fox: (2141670-3154 
􀁾􀀠 dallas waferutillfles city of dallas October 22,2001 􀁾 􀁣􀀮􀀭􀁴􀁾 􀁾􀁙􀀧􀀱 􀁾􀀠 {trlot To: All Wholesale Water Customers r(),A 􀀱􀀺'􀁾 􀀠-CIl'' ':W .+I'V"Hr//􀁾 􀀻J􀀠1U' . tY1
At the Water and Wastewater Management Advisory Committee meeting held on 􀁾􀀠 August 16th, our Director, Mr, Terrace Stewart, outlined the City of Dallas', f!I"'proposed conservation
strategy. During the discussions, the suggestion was rJU made to schedule a meeting to discuss this subject in more detail. I) Consequently, a Conservation Strategy meeting has been
scheduled for November 12,2001, at 7:45 a.m. at the Radisson Hotel Suites, 2330 W. Northwest Highway, King George, Meeting Room. General topics of discussion will be: • Review and Presentation
of Dallas Program • Customer City Involve,men! • Discussions/Questions We encourage you to send a representative to this meeting. It is suggested your representative be knowledgeable
about your city's current policy on conservation and working knowledge of your city's water distribution system. Please RSVP'by calling Shiva at 214/670-5888 before October 30th, Randy
Stalnaker Manager Wholesale Services Division Our Vision: To be an efficient provider of superior water and wastewater service and a leader in the wafer industry. Whole",l. Servic.,.
1500 Marillo. Room 4AN Dallas, Texas 75201 Telephone, 1214} 670-5888 • Fax, 12141670-3154 
dallas water • utilities city ofdallas October 8,2001 MichaelE. Murphy, P.E. Director ofPublic Works Town of Addison P.O. Box 9010 Addison, Texas 75001-9010 Dear Mr. Murphy: Thank you
for your patience in awaiting our analysis of the wastewater sampling results for the City ofAddison for the months ofJune, July and August 200 I. You will recall from our previous correspondence
and our meeting of September 17, 2001, that we had agreed to use the sampling results from the three temporary sampling sites for these months and apply them to Addison's surcharges
from July 2000 forward if the results were lower than those which had been obtained through our sampling at the time. It was Addison's position that certain characteristics of the permanent
sampling sites were leading to artiiicially high BOD and!orTSS results. We also agreed that Addison could hold in abeyance the payments for the surcharges from October 2000 forward until
the analysis of the three months mentioned above was completed. My staff and I have have now spent considerable time analyzing the data and dehberating as to the most equitable method
for resolving this matter. The TSS and BOD results for June were 270 rngll and 235 rng!1 respectively and July were 223 and 183 mg!l respectively. In accordance with your request, we
discarded the results for the August 2001 sampling for August 7,8 and 9 at the Keller Springs site. The results for these days were discarded because your staff felt that the sampling
tube was not in the correct position and thus obtaining inaccurate results. After discarding the results for these three days, the TSS for Addison for the month ofAugust was 285 mg!l,
which results in a surcharge; BOD results for the month were 245 mgll, below the threshold for a surcharge. A detailed report of the TSS sampling results for each day and site is enclosed,
both with and without the three days results mentioned above. Averaging the TSS and BOD findings for the months ofJune, July and August 2001 results in a BOD of 234 mg!! and TSS of 259
mg!I. Thus BOD results will not cause a surcharge, however TSS will. We have applied the TSS result of259 rug!1 (or the actual result if it was lower) to those months which were disputed
(July through October and December 2000 and February through August Our Vision: To be an efficient provider of superior water and wastewater service and a leoder in the water industry.
wholesale Services. 1500 Morillo, Room AAN Dellas, Texas 75201 Telephone: 12141670-5888. Fex: (214)670-3154 
Michael E. Murphy, P.E. October 8, 2001 Page 2 of3 2001). The amounts due for the TSS surcharge are as follows: July 2000 $ 353.19 August 2000 $ 344.58 September 2000 $ 345.86 October
2000 $ 381.08 December 2000 $ 399.82 February 2001 $ 413.60 March 2001 $ 403.28 April 2001 $ 302.30 May 2001 $ 379.64 June 2001 $ 316.96 August 2001 $ 398.42 TOTAL $4,038.73 A summary
sheet listing these amounts and comparing them to the previous surchaxge amounts is enclosed. Addison has paid the previously calculated surcharges (based on results at the permanent
sampling sites) for the months of July-September 2000. These amounts were: July 2000 $33,291.19 August 2000 $10,173.02 September 2000 $11,099.02 TOTAL $54,563.23 This total will be applied
toward the surcharges listed above resulting in a credit of$50,524.50. This credit will be applied to future wastewater treatment or surcharge bills. Because of the surcharge for the
month of August, in accordance with the Wastewater Treatment contract between the cities ofDallas and Addison, sampling will continue until the results find two consecutive months without
a surcharge. Sampling will then be performed on a semi-annual basis unless sampling results lead to a surcharge, in which case sampling will be performed monthly. It is our understanding
that Addison wishes future sampling be performed at the temporary sites used during June-August 2001 until new permanent sites can be built. While we have no objection to accommodating
Addison and sampling at these sites, the nature of our sampling equipment will not allow us to sample at the temporary Branch and Keller Springs sites. We will be able to use the temporary
Academy site. 
Michael E. Murphy, P.E. October 8,2001 Page 30f3 During our meeting on September 19, you indicated that new permanent sampling sites would be built at Addison's expense near the temporary
sites. These new sites would then be used for regular sampling. If it is not Addison's intention to construct these new sites, please let us know. Otherwise we will look forward to receiving
the plans to review. Ifyou would like to discuss any ofthese items further, please call me at 214-670-5887. Sincerely, 􀁁􀁾􀁵􀁾􀀠 Randy Stalnaker, Manager Wholesale Services Enclosures
(3) cc: Larry Patterson, P.E. Mike Rickman Chris Kaakaty Zachary Peoples Tonia Lichtenberg Shiva Peters Robert McCarthy 
Original Revised TSS BOD TSS BOD Surcharge Surcharge Month TSS BOD Revised Revised Difference Difference Amount Amount Difference Jul-OO 890 442 259 234 ·631 ·208 33,291.19 353.19 -$32,938.00
Aug-OO 506 259 259 234 -247 -25 10,173.02 344.58 -$9,828.44 Sep-OO 515 272 259 234 ·256 -38 11,099.02 345.86 -$10,753.16 'Oct-OO 900 231 259 231 -641 a 27,515.15 381.08 -$27,134.07 "Nov-OO
213 194 213 194 0 0 0.00 0.00 $0.00 Dec..()O 888 751 259 234 -629 -517 52,503.21 399.82 -$52,103.39 "Jan-Ol 222 205 222 205 a 0 0.00 0.00 $0.00 Feb-01 416 343 259 234 ·157 -109 12,267.61
413.60 -$11,854.01 Mar..()l 391 279 259 234 -132 45 7,727.29 403.28 -$7,324.01 Apr-O 1 390 280 259 234 -131 46 5,795.40 302.30 -$5,493.10 May-O 1 925 319 259 234 -666 -85 31,625.91 379.64
-$31,246.27 Jun-01 270 235 259 234 -11 -1 704.16 316.96 -$387.20 "July-Ol 223 183 223 183 0 0 0.00 0.00 $0.00 Aug-01 285 245 259 234 -26 -11 1,549.15 398.42 -$1,150.73 194,251.11 4,038.73
-$190,212.38 , October 2000 -Actual BOD lower than Revised BOD " November 2000, January 2001, July 2001 -No BOD I TSS Surcharge 
Addison August Wastewater Sampling Results Location 07 -Aug Branch 07-Aug Academy 08-Aug Academy 08-Aug Branch 09-Aug Academy 10-Aug Academy '10-Aug Branch 10-Aug Keller Springs 11-Aug
Academy 11-Aug Branch 11-Aug Keller Springs 12-Aug Branch 12-Aug Academy 12-Aug Keller Springs 13-Aug Branch 13-Aug Keller Springs 13-Aug Academy 14-Aug Branch 14-Aug Academy 14-Aug
Keller Springs ISS 726 125 182 198 189 143 203 416 91 196 665 236 473 166 1q4 389 238 199 227 367 5583 EkIw 580 232 201 696 201 185 706 394 185 706 394 706 185 394 667 417 215 667 215
417 8363 ?to 0.069353 0.027741 0.024034 0.083224 0.024034 0.022121 0.084419 0.047112 0.022121 0.084419 0.047112 0.084419 0.022121 0.047112 0.079756 0.049862 0.025708 0.079756 0.025708
0.049862 1 CQDt[ibutiQD 50.35035274 3.467655148 4.374267607 16.47829726 4.542508669 3.163338515 17.13715174 19.5987086 2.0130336 16.54621547 31.32966639 1,9.92299414 10.46335047 7.820638527
12.28243453 19.39650843 6,118617721 15.87145761 5.835824465 18.29953366 285.0125553 Total TSS 
Addison August Wastewater Sampling Results Location 07 -Aug Branch 07-Aug Academy 08-Aug Academy 08-Aug Branch 09-Aug Academy 09-Aug Keller Springs 10-Aug Academy 10-Aug Branch 10-Aug
Keller Springs ll-Aug Academy ll-Aug Branch ll-Aug Keller Springs 12-Aug Branch 12-Aug Academy 12-Aug Keller Springs l3-Aug Branch 13-Aug Keller Springs 13-Aug Academy l4-Aug Branch
l4-Aug Academy 14-Aug Keller Springs 07·Aug Keller Springs 08-Aug Keller Springs ISS 726 125 182 198 189 1026 143 203 416 91 196 665 236 473 166 154 389 238 199 227 367 492 355 7456
flaw 580 232 201 696 201 424 185 706 394 185 706 394 706 185 394 667 417 215 667 215 417 438 424 9649 % Contribution 0,06011 43.63975542 0.024044 3.005492797 0.020831 3.791273707 0.072132
14.28210177 0.020831 3.937091927 0.043942 45,08487926 0,019173 2.741734895 0.073168 14.8531454 0,040833 16.98663074 0.019173 1.744740388 0.073168 14,34096798 0.040833 27.15410923 0.073168
17.26769613 0.019173 9.068815421 0.040833 6.778318997 0.069126 10.64545549 0.043217 16.81137942 0.022282 5.303140222 0.069126 13.75614053 0,022282 5.058037102 0.043217 15.86060732 0,045393
22.33350606 0,043942 15.59954399 1 330.0445642 Tolal TSS 
OCT 08 2001 16'54 FR WATER ADMIN 214 570 3154 TO 99724502837 DaOas Water Utilities Wholesale Services Division City HaJJ, 4AN DaJ1as, Texss 75201 FAX" COVER SHEET DATE: TO: FROM: Comments:
TIME: 
OCT 08 2001 16:54 FR WATER RDMIN 214 670 3154 TO 99724502837 􀁾􀀠 dallas WtlferUfJlltles city of dallas October 8,2001 Michael E. Murphy, P.E. Dhector ofPublic Works Town of Addison
P.O. Box 9010 Addison, Texas 75001-9010 Dear Mr. Murphy: Thank you for your patience in awaiting our analysis of the wastewater sampling results for the City of Addison for the months
of June, July and August 2001. You will recall from our previous correspondence and our meeting of September 17, 2001, that we had agreed to use the sampling results from the three temporary
sampling sites for these months and apply them to Addison's surcharges from July 2000 forward if the results were lower than those which had been obtained through our sampling at the
time. It was Addison's position that certain characteristics of the permanent sampling sites were leading to artificially high BOD and! or TSS results. We also agreed that Addison could
hold in abeyance the payments for the surcharges from October 2000 forward until the analysis oithe three months mentioned above was completed. My staffand I have now spent considerable
time analyzing the data and deliberating as to the most equitable method for resolving this matter. The TSS and BOD results for June were 270 mg!l and 235 mg!l respectively and July
were 223 and 183 mg!l respectively. In accordance with your request, we discarded the results for the August 2001 sampling for August 7, 8 and 9 at the Keller Springs site. The results
for these days were discarded because your staff felt that the sampling tube was not in the correct position and thus obtaining inaccurate results. After discarding the results for these
three days, the TSS fur Addison for the month ofAugust was 285 mg/I, which results in a surcharge; BOD results for the month were 245 mg!l, below the threshold for a surcharge. A detailed
report of the TSS sampling results for each day and site is enclosed, both with and without the three days results mentioned above. Averaging the TSS and BOD findings for the months
of June, July and August 2001 results in a BOD of 234 mg!1 and TSS of 259 mgIl. Thus BOD results will not cause a surcharge, however TSS will. We have applied theTSS result of 259 mgt]
(or the actual result ifitwas lower) to those months which were disputed (July through October and December 2000 and February through August 00' Vision: To be an efficient prQvider 01
$uperior waler and wastewafer service and a leader in the water industry. Wholesalo Servir::e.s· 1500 Morillo, Room.4AN OQlkls, 􀁔􀀮􀁾 75201 rel.phon., 12141670.5888. fox: 12141670'3154

OCT 08 21301 16:55 FR WATER ADM1N 214 670 3154 TO 99724502837 P.03/07 Michael E. Murphy. P.E. October 8, 2001 Page20f3 2001). The amounts due for the TSS surcharge are as follows: July
2000 $ 353.19 August 2000 S 344.58 September 2000 S 345.86 October 2000 $ 381.08 December 2000 $ 399.82 February 200] $ 413.60 March 2001 $ 403.28 April 2001 $ 302.30 i May200! $ 379.64
June200! $ 316.96 Augusr2001 $ 398,42 TOTAL $4,038.73 A summary sheet listing these amounts and comparicg them to the previous surcharge amounts is enclosed. Addison has paid the previously
calculated surcharges (based on results at the permanent sampling sites) fOf the months ofJuly·September 2000. These amounts were: July 2000 $33,291.19 August 2000 $10,173.02 September
2000 $11.099.02 TOTAL $54,563.23 This total will be applied toward the surcharges listed above resulting in a credit ofS50,524.50. This credit will be applied to future wastewater treatment
or surcharge bills. Because of the surcharge for the month of August, in accordance with the Wastewater Trealment contract between the cities of Dallas and Addison, sampling will continue
until the results find two consecutive months without a surcharge. Sampling will then be performed on a semi-annual basis unless sampling results lead to a surcharge, in which case sampling
will be: performed monthly. It is our understanding that Addison wishes future samplingbe perfonned at the temporary sites used during June-August 2001 until new permanent sites can
be built. While we have no objection to accommodating Addison and sampling at these sites, the nature ofour sampling equipment will not allow us to sample at the temporary Branch and
Keller Springs sites. We will be able to use the temporary Academy site. 
OCT 08 2001 16:55 FR WATER ADMIN 214 670 3154 TO 99724502837 P.04/07 Michael E. Murphy, P.E. October 8, ZOOl Page 30f3 During our meeting on September 19, you'indicated that new permanent
sampling sites would be built at Addison's expense near the temporal)' sites. These new sites would then be used for regular sampling. Ifit is not Addison's intention to construct these
new sites, please let US know. Otherwise we will look forward to receiving the plans to review. Ifyou would like to discuss any ofthese items further, please call me at 214-670-5887.
Sincerely, 􀁾􀁾􀁵􀁾􀀠 Randy Stalnaker. Manager Wholesale Services Enclosures (3) cc: Lan:y Patterson. P.E. Mike Rickman Chris Kaakaty Zachary Peoples ToDia Lichtenbezg Shiva Peters Robert
McCarthy 
0 n-; IS) m Original Revised N TSS BOD TSS BOD SUrcharge Surcharge .IISS..)) Month T58 BOO Revised Revised Difference Difference Amount Amount Difference -Jul-OO 890 442 259 234 -631
-206 33,291.19 353.19 -$32,938.00 '" Aug-OO Sep-OO 'Oct-oO "Nov-oO Oeo-OO ''Jan-01 Feb-Ol 506 515 900 213 888 222 416 259 212 231 194 751 205 343 259 259 259 213 259 222 259 234 234
231 194 234 205 234 -247 -255 -641 0 -629 0 -157 -25 -38 0 0 -517 0 -109 10,173.02 11,099.02 27,515.15 0.00 52,503.21 0.00 12.267.61 344.56 345.66 381.08 0.00 399.82 0.00 413.60 -$9,828.44
-$10,753.16 -$27,134.01 $0.00 -$52.103.39 $0.00 -$11.854.01 V1 U1 ;;J s:: :!l !ll eJ :;; Mar-01 391 279 259 234 -132 -45 7.727.29 403.28 -$7.324.01 z Apr-Ol 390 260 259 234 -131 -46
5.795.40 302;30 -$5.400.10 May-Ol 925 319 259 234 -666 -85 31',625.91 379.64 -$31,246.27 Jun-01 210 235 259 234 ·11 -1 704.16 316.96 -$387.20 "July-ol 223 1&3 223 163 0 0 0.00 0,00 $0.00
Aug-01 285 245 259 234 -26 -11 1.549.15 194,251.11 398.42 4.038.73 -$1.150.73 -$190.212.38 .O.J. l>. • October 2000 -Actual BOD lower than Revised BOD .. November 2000. January 2001.
July 2001 -No BOD ITSS Surcharge 􀁾􀀠 w... U1 A .... 0 .:2! N"" A U1 IS) N § 1J 􀁾􀀠
OCT 08 2001 16:55 FR WATER ADMIN 214 670 3154 TO 99724502837 P.06/07 Addison August Wastewater Sampling Results LpgatjOD 07-Aug Branch 07-Aug Academy OS-Aug ACiildemy 08-Aug Branch 09-Aug
ACiildemy 10-Aug Academy 10-Aug Branch 1O-Aug Keller Spriogs ll-Aug ACiildemy 11-Aug Branch l1-Au9 Keller Springs 12-Aug Branch 12-Aug Academy 12-Au9 Keller Springs l3-Aug Braoch 13-Aug
Keller Springs 13-Aug ACiildemy 14-Aug Branch 14-Aug Academy 14-Aug Keller Springs In 726 125 182 198 189 143 203 416 91 196 665 236 473 188 154 389 238 199 227 367 5583 ElmIf 580 232
201 696 201 185 706 a94 185 706 394 706 185 394 667 417 215 687 215 417 836a % 0.069353 0.027741 0.024034 0.083224 0.024034 0.022121 0.084419 0.047112 0.022121 0.064419 0.047112 0.084419
0.022121 0.047112 0.079756 0.049862 0.025708 0.079756 0.025708 0.049962 Contribution 50.35035274 a.467655148 4.374267607 16.47829726 4.542508669 3.163338515 17.13715174 19.5987086 2.0130336
16.54621547 31.32966639 1.9.92299414 10.46335047 7.820638527 12.28243453 19.39650843 6.118617721 15.67145761 5.835824465 16.29953366 1 285.0125553 Total TSS 
OCT 08 2001 15:56 FR WRTER RDMIN 214 670 3154 TO 99724502837 .Addison August Wastewater Sampling Results Location ISS EJmy % Contribution 07-Aug Branch 726 560 0.06011 43.63975542 07-Aug
Academy 125 232 0.024044 3.005492797 OB-Aug Academy 182 201 0.020831 3.791273707 08-Aug Branch 196 696 0.072132 14.28210177 09-Aug Academy 189 201 0.020831 3.937091927 09-Aug Keller
Springs 1026 424 0.043942 45.08487926 1 ()"Aug Academy 143 185 0.019173 2.741734895 1 ()"Aug Branch 203 706 0.073168 14.8531454 1O-Aug Keller Springs 416 394 0.040833 16.98663074 ll-Aug
Academy 91 165 0.019173 1.744740388 ll-Aug Branch 196 706 0.073168 14.34096798 ll-Aug Keller Springs 665 394 0.040833 27.15410923 12-Aug Branch 236 706 0,073166 17.26769613 12-Aug Academy
473 185 0,019173 9.068815421 12-Aug Keller Springs 166 394 0.040833 6.778318997 13-Aug Branch 154 667 0.069126 10.64545549 13-Aug Keller Springs 389 417 0.043217 16.81137942 13-Aug Academy
238 215 0.022282 5.303140222 14-Aug Branch 199 667 0.069126 13.75614053 14-Aug Academy 227 227 215 0.022262 5.058037102 14-Aug Keller Springs 367 417 0.043217 15.86060732 07-Aug Keller
Springs 492 438 0.045393 22.33350606 08-Aug Keller Springs 355 424 0.043942 15,59954399 7456 9649 1 330.0445842 Total TSS ** TDTRL PRGE.07 ** 
DATE: "' TOWN OF ADDISON PAYMENT AUTHORIZATION MEMO 􀁃􀁨􀁥􀁃􀁫􀁾􀀷􀁦􀀲􀀮􀁩􀀧􀁲􀁴􀀾 Claim # Vendor No. #C&􀁾􀀲􀀱􀀠 Vendor Name 􀁾t'ld',4I?' c::.J􀁾􀁫􀀭 Address C!JTr-􀀣􀀣􀁾 􀁾􀀯􀂥􀀠 Address
􀁾􀁤􀁩􀁪􀀠 Address TK Zip Code 75:20/Finance 
,, Utilities Account Number: 221-1202003-001 and Credit Balance -Do Not Pay: -$31,782.84 City of Dallas Services TOWN OF ADDISON % UTILITIES DEPARTMENT For services at: 16220 DALLAS
PKWY POBOX9010 AODISON TX 75001-9010 Billing Dafe: 10-04-01 Oays Served: 31 ServIce Met.r Read Read Us.galn ProvIded Number 08-30-01 09-30-01 1000 Gals Total WASTEWATER 800023 137757
151650 13.893 Tolal Volume @$ 1.3490 I 1000 gailons 13.893 $ 18.741.66 $18.741.66 -$50.524.50 -$31.782.84 WHOLESALE SERVICES 2141670-5888 EMERGENCY 2141670-8064 Utilities Keep this portion
for your records Please retum this portion with your payment and City of Amount Due: -$31,782.84 Dallas Services ACCOUNT NUMBER: 221-1202003-001 TOWN OF ADDISON Make payable 10: % UTIUnES
DEPARTMENT CUy of Dallas PO BOX 9010 City Hall. 4AN ADDISON TX 75001-9010 Dallas TX 75201 
PUBLIC WORKS DEPARTMENT (972) 45{).2871 Post Office Box 9010 Addison. Texas 75001-9010 16801 Wesrgrcve July 25,2001 Mr. Randy Sta1naker Manager ofWholesaIe Services Dallas Water Utilities
1500 Marilla, Room 4A North Dallas, TX 75201 Re: Wastewater Surcharge for June 2001 Dear Mr. Stalnaker: We have received your letter ofJuly 17, 2001 regarding the wastewater surcharge
fur June 2001. We are withholding any action on this surcharge payment until we have had a chance to review all of the sampling results from the proposed relocated sampling sites, as
per our letter ofFebruary 27,2001. Please call me at 972-450-2871 ifyou have any questions. Very truly yours, 􀀯􀀻􀁚􀁌􀁣􀀻􀀬􀀯􀁾􀁾􀀠 Michael E. Murphy, P.E. Director ofPublic Works Cc:
Chris Terry, Assistant City Manager Jim Pierce, P.E., Assistant Public Works Director Keith Thompson, Utility Foreman 
AI 􀁾􀁊􀁊􀁉􀁩􀁜􀁬􀁾􀁟ADDIsoN PUBLIC WORKS DEPARTMENT (972) 450-2871 􀁾􀁫􀀢􀀪􀁶􀁾􀁾􀁭􀀻􀀬􀀧􀁭􀀺􀁟􀁾􀀡􀀧􀁪􀁉􀁟􀁟􀀠 Ri® Post Office Box 9010 Addison, Teus 􀀷􀀵􀀰􀀰􀀱􀁾􀀹􀀨􀁮􀁏􀀠 16801 Westgrove
July 17,2001 Mr, Randy Stalnaker Manager ofWholesale Services Dallas Water Utilities 1500 Marilla, Room 4A North Dallas, TX 75201 Re: Wastewater Surcharge for May 2001 Dear Mr, Stalnaker:
We have received your letter ofJuly 5, 2001 regarding the wastewater surcharge for May 2001. We are withholding any action on this surcharge payment until we have had a chance to review
sampling results from the proposed relocated sampling sites, as per our letter of February 27, 2001. Please call me at 972-450-2871 if you have any questions, Very truly yours, 􀁤􀁾􀀭􀁾􀁾􀀠
Michael E, Murphy, P,E, Director ofPublic Works Cc: Chris Terry, Assistant City Manager Jim Pierce, P,E" Assistant Public Works Director , Keith Thompson, Utility Foreman 
JUL 06 2001 15:56 FR WATER ADMIN 214 670 3154 TO 99724502837 P.0l/01 FACSIMILE To: Mike Murphy Of: Town of Addison Fox: 972.450.2837 Pages: cover sheet only Date: July 6, 2001 The sampling
device set-up for wholesale WQstewater "oint-of-entry sampling by the City of Dallas Water Utilities Department is scheduled for Monday, July 9, 2001 with sampling scheduled to commence
on Tuesday, July 10,2001. Please call Wholesale Services Division if you have any questions. From the desk of... Shllr.! L Pole", Clallaa w....,Utilili•• Whol•••'" S0N!<:e9 Division
2141670·5!l88 ** TOTAL PAGE. 01 ** 
JUL 03 2001 16:49 FR WATER ADMIN 214 670 3154 TO 99724502837 􀁦􀁁􀀨􀁾􀁉􀁍􀁬􀁬􀁅􀀠 To: Mike Murphy Of: Town of Addison Fax: 972.450.2837 Pages: cover sheet plus 4 pages Date: July 3,
2001 Enclosed are the results ofthe May 200t Wastewater Sampling Survey. -• Frcm the desk 01... Wholesote Services DivIsion DaO•• Water UUlili•• 1500 Marilla· 4AN Oall•• TX 75201 T$lephone
214J670..saaa 
JUL 03 2001 16:49 FR WATER ADMIN 214 670 3154 TO 9972451'12837 P.02/05 OUT.AS WATER H'rH FrIeS -Report of IIm.1y,,1o: Addi"')Il, 1'own of Date 05/01/01 05/01/01 05/01/01 05/02/01 05/02/01
05/02/01 􀀰􀀵􀀯􀀰􀁾􀁾􀀡􀀱􀁬􀀱􀀠 􀁊􀁾􀁡􀁢􀀠 Number 54 52 53 9 10 11 18 Volume 421000 252000 450000 􀁾􀀵􀀲􀀰􀀰􀀰􀀠 450000 421000 1500!)!) pH Total Suspenrled Solids 249 290 515 380 27fl
2542 656 Biochemical Oxygen Demand 156 195 :lz2 254 360 270 :l:l8 Cyanide Cadmium Chronlium (J,)ppel" Lead 􀁍􀁥􀁲􀀢􀁾􀁵􀁬􀀧􀁙􀀠 Nickel Silve,. Zi[IG 1'otal Metals Ar'senic SelanitUil
no..tablc Oil & Grease Acetone BeU2ene I1thyl llellzene Tsopr(.pyl Alcohol Methyl IIleohol Methy1 B thyJ Ketone Methylene Chloride 􀁐􀁨􀀬􀁾􀁮􀁯􀁬􀀠 'foluene J<ylene nash Cup Site K:l
AGMJ IlHCH ileA)) BllCli liS !If/CM All results, excapt i\w pH, """ ""ported in mg/J.. 
JUL 03 2001 16:49 FR WATER ADMIN 214 670 3154 TO 99724502837 DALLAS WATER U'l'HXTlF.l,i tleport of Analysis Add is"", T"MI of Date 05/03/01 05/03/01 05/04/01 05/0il/01 05/04/01 OS/05/0l
05/05/01 J,,,b Numbel' 19 17 35 :l4 33 :)9 40 Volume 42')00() 252000 450000 2fi2(lOO 421000 /150000 '12]000 pli Tot.a 1 􀁓􀁵􀀮􀀮􀀢􀀬􀁰􀁥􀁮􀁤􀁾􀁤􀀠 Solids 195 347 2595 8m. 382 527 485
II tochenlical Oxygen Demand 164 225 690 420 2:32 218 132 Cyani,J<, Cadmium C.hn)mium Coppe,' Lead Mercury Nickel Silvc,' Zinc Totl'll Metals 􀀮􀁾􀁲􀁧􀁥􀁮􀁩􀁣􀀠 SeleniuJII noatabl" Oil
lit Grease Acet:Qnr, Bellzene Ethyl Benzene lsopropyl Al.cohol Methyl. Alcohol M..thyl gthyl .Ketone M..thyl..lle Chloride Phenol tolu""" Xyl.me nash nup Sit" KS AOhO lIflCH AGAU KS
SRCH KS All results, except for pI!, an, "..por'ted i.n rug/}, 
JUL 03 2001 15:49 FR WRTER RDMIN 214 570 3154 TO 99724502837 P.!l4/05 DALJ.AS WAl'lm U'/:n,I'l'IES Ileport of' Analy;';.s Addison, Town I)f Date 05/05/01 05/06/01 Ofi/06/01 05/06/01
05/0'1/0] 05/07/01 05/0'110l Lab Number 38 4:l 42 'lJ 5(; 57 55 Volume 2:)2000 450000 252000 421000 '150000 421000 252000 pH 'rot'll Suspended Solids 556 1028 3!'l6 961 20i.2 5]4 163
Tj i.•)chenlical Ol<ygen Demand 102 570 302 fiBS 295 156 139 Cy.-nld" Cadlni UJ. Ch.,omium Copper I.p-ad Mercu!'Y Nickel 1>il 􀁖􀁾􀁉􀀧􀀠 Zinc Total 􀁍􀁾􀁴􀀮􀁾􀁬􀁳􀀠 Jlrsenj c Selenium
floatable Oil &GreAse 􀁁􀁣􀁥􀁴􀁯􀁬􀁩􀁴􀁾􀀠 llenzene IIthyl 􀀸􀁥􀁴􀁊􀁺􀁥􀁬􀁬􀁾􀀠 Isopropyl Alcohol 􀁍􀁾􀁴􀁨􀁹􀁬􀀠Al<:ohol Methyl Ethyl K"tone Methylene Chloride l'lI,mol 1'01Uet>e Xylene
"lash Cup Site ACAD BRell AGAI! KS BRCII l{S ACAll All !'esu.ll;s, ",xcept for pH, "'t'e ,-op(),-ted in mg!L 
JUL 03 2001 16:49 FR WATER ADMIN 214 670 3154 TO 99724502837 P.05/05 'OAf,LAS WA'flm tJ'J'ILl1'lES -Report of Analysis Adrlison, Town of Date 05/08/0J 05/0B/OJ 05/08/01 05/09/01 05/09/01
os/ng/O] Atlerate Lab Number 62 6;s 64 '15 74 73 Volunt'" 2(\2000 450000 421000 421000 450000 252000 pI! ']'otal Suspended Solids 279 33'/5 350 ISO 22!lG ;n8 925 Bioc-:h(;!lllical Oxygen
lJeJlland 111) 938 lSB 156 450 192 􀁾􀀱􀀮􀀹􀀠 CyanIde Cadmi.ulll Chromium Copper Lead Mel'l;ul'Y Nickel Sllver' 7.inc 'l'ota 1 􀁍􀀮􀁾􀁴􀁩􀁬􀁬􀁳􀀠 Arsenic Seleni,um Floatable on &Grease
Aeetoflt?Her'l,t-eJ){! Kthyl BeUZlme Isopmpyl Alcohol Methyl Alcohol Methyl Hthy.l Ketone Methyl.,,,,, Chlot'ide Ph,,!}.)l 'toluene Xylene Flash Gup Site ACAD BHCH 1(J) RS SHCH ACAD
"'''' TOTAL PAGE.05 *'" 
􀁾􀁐􀁒􀀠27 2001 16:31 FR WRTER 􀁾􀁄􀁍􀁉􀁎􀀠 214 67@3154 TO 99724502837 P.@U@1 􀁦􀁁􀀨􀁾􀁉􀁍􀁬􀁬􀁅􀀠 To: Mike Murphy Of: Town of Addison Fax: 972.450.2837 Pages: cover sheet only Date:
April '].7, '].001 The sampling device set-up for wholesale wastewaterpoint-of-entry sampling by the City of Dallas Water Utilities Department is scheduled for Monday, April 30, 2001 with sampling scheduled to commence on Tuesday, May 1,2001. Please call
Wholesale Services Division if you have any questions. F",m th. d••k or. .. Shive l Peters Dalla. Wat., Utllill•• Whol$Gato SelVlces Division 2141670-5S88 ** 􀁔􀁏􀁔􀁾􀁌􀀠PRGE.01 ** 
8 dallas waterunlnles city ofdollas April 25,2001 Michael E. Murphy, P.E. Director of Public Works Town of Addison P.O. Box 9010 Addison, Texas 75001-9010 Dear Mr. Murphy: I am writing
to you in response to your letter of March 29, 200'1. Piease excuse this tardy reply; your letter was misrouted to the City's lockbox and delayed in reaching me. The purpose of this
letter is to address the issues regarding Addison's wastewater surcharges and our efforts to reach an agreement for dealing with Addison's outstanding surcharge bills. In response to
your proposal, the City of Dallas will agree to the following: 1. The Town of Addison may temporarily relocate its wastewater sampling sites to those locations shown on the map provided
by Addison. Addison will construct the concrete sample pads around the manholes at the new sites so that the security boxes can be bolted in place. Addison will construct or acquire
the security boxes and place them at the new sites. Construction of sample pads and security boxes will be inspected by and their use subject to approval by DWU. Plans for both the pads
and boxes are enclosed. Sampling from the temporary sites will be for three consecutive months. 2. The Town of Addison has paid the wastewater surcharges for the months of July 2000
($33,291.19). August 2000 ($10,173.02), and September 2000 ($11,099.02). Payment by Addison for surcharge bills for the months beginning in October 2000 may be withheld until the issue
of disputed surcharges is resolved. However, any surcharges due in accordance with the outcome of the temporary sampling and this agreement must be paid by Addison before September 30,
2001. 3. Three months of sample history at the temporary sites will be gathered and compared against the disputed surCharge months of July, August, September, October and December 2000.
If the sampling results indicate a strength of sewage below 250 mg/l for both TSS and BOD in each of the three months of sampling at the temporary sites, the wastewater surcharge bills
for the months of July 2000 forward will be rescinded. Should the results from three months of sampling from the proposed temporary sample sites generally be similar to the prior results
from the disputed surcharges, then the full amounts from the months beginning October 2000 will immediately be due from Addison. However, should the results from three Our Vi,ion: To
be an 􀁥􀁦􀁾􀁣􀁩􀁥􀁮􀁴􀀠proviaer of ,uperior water and wastewater service and a leader in the water industry, Wholesale Servkes. 1500 Marillol Room 4AN Dalb., Texas 75201 Telephone:
1214)670-5888' Fax: {2141670·3154 
months of sampling from the temporary sample sites generally be less than the prior results from the disputed surcharges (but still above 250 mgtl for TSS or BOD), the bills will be
adjusted in accordance with the lower sampling results and applied to the disputed surcharges; payment will then immediately be due from Addison. 4. Sampling at the temporary sites will
be conducted by City of pallas Water Utilities personnel in accordance with our usual standards. Addison may split samples or take its own samples at these sites. If Addison chooses
to take samples from the temporary sites, sampling and laboratory procedures performed by Addison or its consultants must conform with City of Dallas Water Utilities standards. 5. The
decision whether Addison will fund and build new sampling sites or continue to use the existing sites will be deferred until the results are obtained from the temporary sites. If you
agree to these terms, please provide us with a written confirmation so stating. If you do not agree to any portion of them, please let me know so that we can discuss the matter. We appreciate
your continued efforts to arrive at an agreement and look forward to your reply. Sincerely, 􀀩􀀨􀁾􀁾􀁾􀀠 Randy Stalnaker, Manager Wholesale Services cc: Larry Patterson, P.E. Mike Rickman
Chris Kaakaty Zachary Peoples Tonia Lichtenberg 
REGION C WATER PLANNING GROUP OPEN MEETING MONDAY, APRIL 23,2001 AT 1:30 P.M. THE MEETING WILL BE HELD AT CENTRAL WASTEWATER TREATMENT PLANT TRINITY RIVER AUTHORITY 6500 W. SINGLETON
BOULEVARD GRAND PRAlRIE, TEXAS AGENDA 1. ROLLCALL n. APPROVAL OF MINUTES -DECEMBER 4, 2000 m. GRANT FUNDING REQUEST FOR ROUND 2 PUNNING SCOPE OF WORK IV. INSURANCE RENEWAL V. SENATE
BILL 2 VI. REGION C WATER PLAN -REVISION APPROVAL VII. ROBERT MACE, ASSISTANT DIVISION DIRECTOR, WATER RESOURCES PLANNING, TEXAS WATER DEVELOPMENT BOARD, "GROUNDWATER AVAILABILITY MODEUNG
(GAM)" VITI. DISCUSSION a. b. c. ConfU1ll Date of Next Meeting Other Discussion Acknowledgement of Guests/Comments IX. ADJOURNMENT 
I XRINITY RIVER AUTHORITY OF TEXAv CENTRAL REGIONAL WASTEWATER SYSTEM CONTRIBUTED WASTEWATER FLOW BY CONTRACTING PARTIES JANUARY CONTRACTING PARTY FLOW (MGD) % CONTR. YTD FY % PROJ.
% % VAR ADDISON 2.292 1. 585 1. 622 1. 691 -4. 08 ARLINGTON 42.343 29.281 29.614 27.848 6.34 BEDFORD 4.923 3.404 3.441 3.745 -8.12 CARROLLTON 10.238 7.080 7.223 􀀸􀀮􀀵􀀲􀀴􀁾􀀠 -15.26
CEDAR HILL 0.291 0.201 0.188 0.147* 27.89 COLLEYVILLE 2.303 1. 593 1.638 1.708 -4.10 COPPELL 3.864 2.672 2.617 2.498 4.76 DALLAS 9.720 6.721 6.534 􀀵􀀮􀀰􀀳􀀰􀁾􀀠 29.90 DFW AIRPORT 2.184
1.510 1.533 1. 4 67 4. 50 DUNCANVILLE 0.177 0.122 0.145 0.140 3.57 EULESS 3.111 2.151 2.185 2. 􀀷􀀹􀀵􀁾􀀠 -21.82 FARMERS BRANCH 5.937 4.105 4.230 4.541 -6.85 FORT vlORTH 1. 646 1.138
1.102 0.838* 31. 50 GRAND PRAIRIE 18.673 12.913 12.069 11.102 8.71 GRAPEVINE 1.911 1. 321 1.317 1. 903* -30.79 HURST 0.205 0.142 0.141 0.122* 15.57 IRVING 27.564 19.061 19.390 20.890
-7.18 KELLER 1. 896 1.311 1. 287 1.292 -0.39 MANSFIELD 2.781 1. 923 1. 992 2.159 -7.74 N. RICHLAND HILLS 0.991 0.685 0.674 0.377* 78.78 SOUTHLAKE 1.564 1.081 1.058 1.183* -10.57 TOTALS
144. 614 100.000 100. .000 * Fiscal year average deviates from the projected average by 10% or more. ** Minor variations may occur due to rounding. 
CITY OF ADDISON JANUARY METERING STATION SUMMARY FLOW TOTAL GALLONS METER I.D. (MGD) (X 10(0) 13 IE 1. 762 54623 13 2E 0.301 9331 13 3E 0.229 7109 TOTAL 2.292 71063 OBLIGATION SUMMARY
􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀁾􀀭􀀭􀁾􀁾􀀭􀀭􀀭􀀭􀀭􀀭 Y-T-D PROJECTED OBLIGATION $137,336.69 Y-T-D ACTUAL OBLIGATION $131,732.77 Y-T-D VARIANCE $5,603.92 * Based upon monthly metered flows, projected
monthly flows and projected cost of service. ** Minor variations may occur due to rounding. *.* Reflects mid-year adjustment, if any. 
WHOLESALE WASTEWATER CUSTOMER DATA Calendar Year 2000 ADDISON Unmetered Total number of accounts feeding into Dallas' wastewater system 266 Classification of Accounts Residential Number
215 Percentage 81% Multi-family Q 0% Business/Commercial 47 18% Other 􀁾􀀠 2% TOTAL 266 100% WINTER MONTH WATER CONSUMPTION DATA FOR WINTER 2000-2001 Water Consumption (in 1000 gallons)
Customer Class Dec. '00 Jan. '01 Feb.'01 Mar. '01 TOTAL Residential 3967 2843 2911 2557 12278 Multi-Family Bus/Comm Other Q Q Q 3821 4014 3394 51 38 51 Q Q 3610 14839 51 191 TOTAL 7839
6895 6356 6218 273Q8 27308 AVERAGE WINTER MONTH 6827 (X1000) GALLONS AWM= Total I #Of billing days x Avg. days per month" gallons per average month 6827 Billing Days Dec.'99= Jan.'OO=
Feb.'OO= Mar.'OO= Tot. bill days = 123 31.5 29.5 32 30 Avg. days/month = 30.75 Submitted by: 􀁾􀁾􀀮􀀮􀀠-Date: 􀁾􀀢􀀧􀁾􀁉􀀠 lease rem it to: Dal as Water Utilities Wholesale Services
DiviSion 1500 Marilla -4AN Dallas, TX 75201 
WHOLESALE WASTEWATER CUSTOMER DATA Calendar Year 2000 ADDISON Metered Total number of accounts feeding into Dallas' wastewater system 347 Classification of Accounts Residential Number
174 Percentage Multi-family 45 Business/Commercial 121 Other Z TOTAL 347 100% WINTER MONTH WATER CONSUMPTION DATA FOR WINTER 2000-2001 Water Consumption (in 1000 gallons) Customer Class
Dec. '00 Jan. '01 Feb.'01 Mar. '01 TOTAL Residential 601 594 679 592 2466 Multi-Family 10306 9255 11631 9565 40757 BusiComm 14159 9538 12382 11389 47468 Other 261 177 311 260 1009 TOTAL
25327 19564 25003 21806 91700 91700 AVERAGE WINTER MONTH 22925 (X1000) GALLONS AWM= Total I #of billing days x Avg. days per month = gallons per average month Billing Days Dec.'99= Jan.'OO=
Feb.'OO= Mar.'OO= Tot. bill days = 31.5 29.5 32 30 Avg. days/month = 22925 123 30.75 SubmiHed by: Dallas Water Utilities Wholesale Services Division 1500 Marilla -4AN Dallas, TX 75201

Supplement to 2000 Wholesale Wastewater Customer Data Report STREET DEC-ODD JAN-EVEN FEB-EVEN MAR-EVEN NUMBER STREET WATER WATER WATER WATER ACCT 1528 5600 CELESTIAL 8,730 12,620 2,940
3,120 ACCT 597 5550 CELESTIAL 60,160 51,180 61,370 30,530 ACCT 598 5560 CELESTIAL 11,890 14,160 14,070 14,760 TOTAL 80,760 77,960 78,380 48,410 In thousands of gals. 81 78 78 48 Rounded
to nearest 1000. 81,000 78,000 78,000 48,000 Listed above are the winter month's consumptons for the reciprocal services on Celestial Rd. These accounts are not included in the totals
on the Wholesale Wastewater Customer Dati! form for the unmetered, former Franchise Area. 
APR 20 2001 10:46 FR WATER ADMIN 214 670 3154 TO 99724502837 P.0V04 􀁾􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀮􀀭􀀭􀀭􀀭􀀭 Dallas Water Utilities Wholesale SeJVices Djvjsion CityHall, 4AN DaDasJ
Texas 75201 FAX COVER SHEET DATE: 􀀰􀀴􀀺􀁾􀀭􀁏􀁜􀀠 TIME: FAX: FROM: Total Number of al!;cs"UlllqllllIOll: the cover sheet) Comments: Pllaso ,Q/J214.670 .J888, if.UP"&" m "'f rn:tiIJ'Hi.
T'-kY'.' 
APR 20 2001 10:46 FR WATER ADMIN 214 670 3154 TO 99724502837 P.02/04 dallas waferUhlltles • city ofdallas March 27, 2001 Mr. Mike Murphy Director of Public Works Town of Addison P.O.
Box 9010 Addison, Texas 75001·9010 Dear Mr. Murphy: Please complete the attached wholesale wastewater information forms and return them to me by April 11, 2001. The requested information
Is required by the wholesale wastewater contract. It is used in the annual cost of service study and to establish the average winter month's consumption for the wholesale unmetered aocounts.
Your assistance is appreciated. If you have any questions or need assistance, please contact me or Tonia at 214/670-5886. Sincerely, Randy Stalnaker Manager Wholesale Services Division
attachment Our Vision: To be on efficien' provider of superior water and waslewoler .ervice and a leader in Ihe woter indu,'ry. Wholesal. SoM<o•• 1500 Morill., Room <IAN 00110', T...,
75201 Telephone: 1214)670·5888· Fox: {214167o-J154 
APR 20 2001 10:47 FR WATER RDMIN 214 670 3154 TO 99724502837 P.03/04 WHOLESALE WASTEWATER CUSTOMER DATA Ifor Calendar year 2000) APDISON -Metered Total number of accounts feeding into
Dallas· wastewater system Cla$slfication of Accounts Number Percentage Residential Multi-family Business/Commercial Other TOTAL ============================================ = WINTER
MONTH WATER CONSUMPTION DATA (for winter 2000-20011 Water Consumption lin 1000 gallonsI Customer Class December 00 January 01 february 01 March Q1 TOTAL Residential MUlti-family Business/Commercial
Other TOTAL AVERAGE WINTER MONTH ___ tXl000) GALLONS Itotal divided by 41 SUBMITTED BY: DATE; Please remit to; Dallas Water Utilities Wholesale Services Division 1500 Marilla -4AN Dallas
IX 75201 
APR 20 2001 10:47 FR WATER ADMIN 214 670 3154 TO 99724502837 WHOLESALE WASTEWATER CUSTOMER DATA Ifor Calendar year 2000) ADDISON .. Unmetered Total number of accounts feeding into Dallas'
wastewater system Classification of Accounts Number Percentage Residential Multi-family Business/Commercial Other TOTAL 􀀽􀀽􀀽􀀽􀁾􀁾􀀽􀀽􀁾􀀽􀀽􀀽􀀽􀀽􀀽􀀽􀀽􀀽􀀠 􀁾􀀽􀀽􀀽􀀽􀀽􀀽􀀽􀀽􀀽􀀽􀁾􀀽􀀽􀀽􀁾􀀽􀀽􀁾􀀽
􀁾􀀽􀀽􀀽􀀽􀀽􀀽􀀠 WINTER MONTH WATER CONSUMPTION DATA (for wimer 2000-2001) Water Consumption [in 1000 gallonsl Customec Class December CC January Q1 February Q1 March Q1 TOTAL Residential
Multi-family Business/Commercial Other TOTAL AVERAGE WINTER MONTH ___ (X 1 0001 GALLONS (total divided by 4) SUBMITIED BY: DATE: Please remit to! Dallas Water Utilities Wholesale Services
Division 1600 Marilla· 4AN Dallas TX 75201 ** TOTAL PAGE.04 ** 
PUBLIC WORKS DEPARTMENT (972) 450-2871 .....___._______. ___... ® PaM Office Box 9010 Addison, T.r:::ms 75001·9010 16801 Weatgrove April 10, 2001 City of'DalIas Randy Stalnaker Wholesale
Services DivisionIDWU 1500 Marilla -Room 4AN Dallas, TX 75201 RE: February 2001, Wastewater Sampling Survey Dear Mr. Stalnaker: After reviewing the data on the Wastewater Surveys for
February, it came to my attention that on February 6 the estimated flow reading for Branch and Academy were switched. The Branch estimated flow shows 9.8, which should be 62.8, and Academy
shows 62.8 and should be 9.8. Based on these errors, I request that the sampling results for February be dismissed. Ifyou have any questions, Please call me directly at (972) 450·2878
Sincerely, 􀁾c;: 􀀮􀀯􀁾􀀭􀁹􀀻􀁲􀀭􀀭 Michael E. Murphy, PE ;:/Director ofPublic Works Cc: Ron Whitehead, City Manager Chris Terry, Assistant City Manager Keith Thompson, Utilities Foreman

Summer 2001 Results Month DWU FLOW WEIGHTED RESULTS June TSS 270 258 BOD 235 248 July TSS 223 211 BOD 183 193 August TSS 17 236 BOD ? 229 AVERAGE TSS 246.5 235 BOD 209 223 
I TSS Meter Station 6/5/2001 254 616/2001 288 ( Branch Keller Springs 350 335 Academy 170 201 I BOD Meter Station 61512001 6/612001 t Branch 238 268 Keller Springs 218 200 Academy 178
195 I TSS Meter Station Branch 7/1012001 200 711112001 193 71 Keller Springs 327 360 Academy 144 259 t BOD Meter Station 7110/2001 7/1112001 711 Branch 218 226 Keller Springs 180 16S
Academy 158 146 I TSS Meter Station Sn12001 81812001 􀀸􀀱􀁾􀀠 Branch 258 ISO Keller Springs 432 278 ! Academy 116 164 􀁾􀀠 I BOD Meter Station Sn12001 81812001 8/9, Branch 298 292 2
Keller Spring' 252 292 7 Academy 134 194 1 sn12001 8/812001 8/9/2 258 180 IS 116 164 20< Snt2001 81812001 S/912( 29S 292 􀀲􀀱􀁾􀀠 134 194 15< 
Summer 2001 Results Month DWU FLOW WEIGHTED RESULTS June TSS 270 258 BOD 235 248 July TSS 223 211 BOD 183 193 August TSS ?? 236 BOD ? 229 AVERAGE TSS 246,5 235 BOD 209 223 
Oct. 2000 T.S.S 900 B.0.0231 Jun. 2001 T.S.S 270 B.0.0235 Nov. 2000 T.S.S 213 B.0.0194 Dec. 2000 T.S.S 888 . B.O.O 751 Jan.2001 T.S.S 222 B.0.0205 Feb. 2001 T.S.S 408 B.0.0337 . Mar.
2001 T.S.S 391 B.0.0279 Apr. 2001 T.S.S 390 B.0.0280 May. 2001 T.S.S 925 B.0.0319 Surcharge $27,515.15 $0 Surcharge $52,503.21 $0 Surcharge $11,600.39 Surcharge $7,727.29 Surcharge $5,795.40
Surcharge $31,625.91 Surcharge Total $136,767.35 Surcharge $704.16 Jul. 2001 T.S.S 183 7-'1 B.O.O 223 􀀬􀁴􀁬􀁾􀀠 . $0 • 􀁾􀁾􀀳􀀻􀀻􀀿􀁾􀁀 􀁾􀁵􀁵 I B.0.0233 􀁾 ""Z'Z.'i L---c.. Surcharge
􀁌􀁾􀀠 : l7 T.S.SAverage 􀀲􀁾 B.O.O Average 231 \ <1 􀀭􀁾􀁜􀀠
I 7100 ACfUAL F'NEIGHTED 􀁾􀁾􀁾􀁾􀁾􀁾􀁾􀁾􀁾􀁾􀁾􀁾􀁾􀁾􀀠 Meter Station 61512001 61612001 6n12001 61812001 61912001 611012001 61l1l2oo1 611212001 611312001 Average Branch 238 268 310 311
304 266 210 251 3lJ 274.3 Keller Springs 218 200 253 221 276 170 135 255 276 222.7 Academy 178 195 118 131 159 160 180 142 120 153.7 . BOD 􀀭􀀮􀀭􀀭􀁾..􀀭􀀭􀀭􀁾􀀢􀁾􀀭 I TSS Meter Station
711012001 711112001 711212001 711312001 711412001 711512001 711612001 7/17/2001 711812001 Average Branch 200 193 189 227 235 172 159 198 189 195.8 Keller Springs 327 360 466 224 348
n 319 290 125 281.2 Academy 144 259 173 231 73 133 207 180 175.0 7100 ACTUAL FWEIGHTED 180.81 47.21 19.79 247.81 129.04 59.62 22.54 219.0 􀁁􀁶􀁥􀁲􀁡􀁾􀀠 27.am 1.. 216.9 Average 27 samnles
211 20 BOD Meter Station 7/[012001 7/1112001 7Il2l2001 711312001 7114/2001 711512001 711612001 7/1712001 711812001 Average Branch 218 226 268 180 270 161 238 195 163 213.2 ,Keller Springs
180 168 139 162 168 57 196 172 110 155.8 140.53 33.02 IAcademy 158 146 138 164 139 185 159 147 154.5 19.90 193.46 7.DOACfUAL 􀁃􀀺􀁊􀂧􀂧􀁃􀀺􀁧􀁾􀁾􀁾􀁾􀁾􀁾􀁾􀁾􀁾􀁾􀁾􀁾􀁾􀁾􀁾􀁾􀁾􀁀􀁉􀁾􀁾􀁾􀁾􀁾􀁾􀁀􀁉􀁾􀁉
􀁧􀁾􀁾􀁾􀁾􀁀􀁉􀁾􀁾􀁾􀁾􀁾􀁾􀁾􀁾􀁍􀁖􀁅􀁉􀁇􀁈􀁔􀁅􀁄􀀠 Average 27 samnies 175.3 BOD Meter Station Sn/2001 8/8/2001 81912001 8110/2001 S/ll/2001 8/1212001 811312001 811412001 811512001 Average
Branch 298 292 215 218 241 286 232 177 244.9 161.40 Average iKeller Springs 252 292 762 223 273 150 217 141 288.8 61.22 27 SantRles ,Academy 134 194 152 232 146 322 212 139 191.4 24.65
241.7 241.26 Averag:es without fk§.t three (31 d!!JI.8 Keller SerintI§. Sn12oo1 258 i 116 Sn12oo1 8/8/2001 81912001 81l012oo1 &11112001 811212001 811312001 811412001 AveD!ge 298 292
215 218 241 286 232 177 244.9 161.4 223 273 ISO 217 141 200.8 42.5696 134 194 152 232 146 322 212 139 191.4 24.65 228.6 81812001 180 164 819/2001 186 200 8110/2oot 204 368 124 81l 112001
196 49& 82 811212001 432 140 332 8113/2001 160 27& 170 ! 811412001 164 294 192 :7100 ACfUAL Average :FWEIGHTED 222.5 ! 146.6 315.6 I 66.9072 172.5 I 22.22 2358 Average 24samnles 225.6
Average 24 samples 214.0 
( , < ' < c Z UJ -I • ;i • Ii I • •• -,,"" ... , ;•, '., . ."'-, :... ", ..\" , .;"..:-'= .... I 􀁾􀀠 ... . -􀁾 ' .-.,' 􀀮􀁾􀀻􀁾􀀠, . ' 'l•' .. .---, ;; •i .' . -t Il c::. -+ 􀁾􀀠 8
􀁾􀀠 ...f 8 i 1 .::,. 􀀮􀁾􀀠 􀀭.􀁾􀁟􀀠 􀁾􀀮􀀧 " .::f. ," . -t1..........J ... , !. t' . 1: 􀁾.... 􀁾􀀠 • -.. 􀀭􀁾.. 􀀠-.--.; ... ' ' ) 􀁾􀀭􀀭􀀻􀀮 -'-..,.._....:... t • ,.L_ . I ,,' ',.
.. .. " . i ', .., 􀁾􀀠\, .. 􀁾􀀠
PUBUC WORKS DEPARTMENT (972) 4S()'2671 __....____..... ® Post Offiee Box 9010 Addison, Texas 75001-9010 16801 Westgrove March 29, 2001 City ofDallas Randy Stalnaker Wholesale Services
DivisionIDWU 1500 Marilla -Room 4AN Dallas, TX 75201 RE: Town of Addison Surcharge Issue Dear Mr. Stalnaker: In response to your letter of March 19,2000, it is not our desire to construct
new sampling sites until it is detennined that site location is a contributing factor toward the excessive surcharge readings. Our proposal is to set up "temporary" sampling sites as
described in item #1 of our February 27, 2001 letter: (1) The temporwy relocation of sampling sites to those locations shown 011 the attached site map, subject to DWU's approval ofsaid
locations. If the locations shown do not meet with DWU's approval, mutually agreeable sites will be selected DWU WId the Town of Addison will also agree on the sampling method and configuratioll.
The Town ofAddison will contribute labor andmaterials to this effort ifappropriate. Also, we propose that sampling from the Temporary locations only be for two consecutive months, which
we feel should adequately depict the strength of the effluent in question, and from that information move forward with whatever remedy is warranted. Therefore, ifthe study holds true
and samples taken from the proposed sites result in lower concentrations ofBOD and TSS for two consecutive months, Dallas Water Utilities will: (1) Refund all surcharge payments made
through September 2000 based on your proposed adjustments stated in the March 19, 2001 letter; and (2) Cancel surcharge pay requests for October, November and December of2000. The Town
of Addison, at its own expense, will then proceed with construction of New "permanent" sampling locations, agreed to by all affected parties, for future sampling. If sampling continues
to show high concentrations of BOD and TSS, the Town of Addison will forward any outstanding surcharge fees to Dallas Water Utilities and continue to determine the cause or source of
the surcharge problem. 
Please find attached a check for payment ofsurcharge fees associated with the following months: July 2000 $33,291 August 2000 $10,173 September 2000 $11,099 Again, thank you for your
patience and cooperation in working with us in resolving these issues. Sincerely, 􀀴􀁌􀁅􀀮􀁾􀀯􀁦􀀭􀁾 Michael E. Murphy, PE Director ofPublic Works cc: Ron Whitehead I City Manager Chris
Terry I Asst. City Manager Randy Moravec I Finance Director Jim Pierce, PE I Asst. Director ofPublic Works Keith Thompson I Water Utilities 
TOWN OF ADDISON PAYMENT AUTHORIZATION MEMO DATE: Claim # Check $ Vendor No. Vendor Name Address Address Address Zip Code TOTAL 􀀽􀀽􀀮􀀮􀀮􀀮􀀮􀀮􀀮􀀻􀀻􀁾􀀠 EXPLANATION 􀁾􀁾􀀭􀀴􀁾􀀬􀀺􀀠
Finance 
􀁾. 􀀴􀀱􀁌􀀠::I/='?z202-."llities AdcollntNumber: 221-1202003-001 , and ... ...•.􀂷􀂷􀂷􀀮􀀻􀁁􀁩􀁩􀁩􀁾􀁵􀁾􀁴􀁄􀁕􀀮􀀺􀀠.. $11M92.24 City of Dallas Services . 􀀼􀁾􀁾􀀮􀁴􀀩􀀮􀁴􀁥􀀺􀀠 01-26-01
TOWN OF ADDISON % UTIlITIES DEPARTMENT POSOX9010 For services at: 16220 DALLAS PKWY ADDISON TX 75001-9010 Billing Date: 01-08-01 Days Served: 30 Service Meter Read Read Usage In Provided
Number 11-27.(10 12-27-00 1000 Gals Total WASTEWATER 800023 28940 40680 11740 Total Volume @$ 1.3490 I 1000 gallons 11740 􀁟Current Charges 􀁾􀁾______􀁾􀀱􀁾􀀵􀁾􀀬􀀸􀁾􀀳􀁾􀀷􀀮􀁾􀀲􀀻􀀶􀁾􀀯􀀯􀀮􀀠
July 2000 Surcharge J.A . J $33,291.19 August 2000 Surcharge 􀁶􀀢􀀺􀁊􀀢􀀧􀀮􀁾􀀺􀀷􀀠􀁾 $10,173.02 September 2000 Surcharge --$11,099.02 October 2.000 Surcharge 􀀭􀁾􀀠 $27,515.15 Previous
Bafance $18,076.60 Total Amount Due $115.992.24 WHOLESALE SERVICES 214i67{)'5868 EMERGENCY 2141670-8064 Keep this portion for your records lItilities Please relum this portion with your
payment and Amount Due: $115,992.24 City of Dallas Services Due Date: 01-26.(11 ACCOUNT NUMBER: 221-1202003.(101 TOWN OF ADDISON Make payable to: % Um.InES DEPARTMENT City of Dallas
POSOX9010 City Hall, tAN ADDISON TX 75001-9010 Dall•• TX 75277 $ 15,637.26 
HP LaserJet 3200se TOALASERJET 3200 9724{;02837 APR-17-2001 15:07 Fax Call Report Job Date Time Type 284 4/1712001 15:05:57 Send TOWN OF ADDISON invent Identification Duration Pages
Result 92146703154 1:15 3 OK PUBLIC WORKS Mkh.., 1:. Murpby,P,E, Director ofPuhlic Works PbolSe: 97214So..281S .FlU: 972/450.1837 
• (972) 450-2811 ADDIsoN PUBlJCWORKSDEPARTMENT !M_ _ ® Post Office Box 9010 Addison, TeXB3 􀀷􀀵􀀰􀀰􀀱􀁾􀀹􀀰􀀱􀀰􀀠 16801 Westgrove March 29,2001 City ofDallas Randy Stalnaker Wholesale
Services DivisionIDWU 1500 Marilla -Room 4AN Dallas, TX 75201 RE: Town of Addison Surcharge Issue Dear Mr. Stalnaker: In response to your letter of March 19, 2000, it is not our desire
to construct new sampling sites until it is determined that site location is a contributing factor toward the excessive surcharge readings. Our proposal is to set up "temporary" sampling
sites as described in item #1 of our February 27, 200lletter: (1) The temporary relocation ofsampling sites to those locations shown 011 the attached site map, subject to D WU's approval
ofsaid locatiolls. If the locations shown do not meet with DWU's approval, mutually agreeable sites will be selected. DWU and the Towll of Addison will also agree on the sampling method
and configuratioll. The Town ofAddison will contribute labor and materials to this effort ifappropriate. Also, we propose that sampling from the Temporary locations only be for two consecutive
months, which we feel should adequately depict the strength of the effluent in question, and from that information move forward with whatever remedy is warranted. Therefore, ifthe study
holds true and samples taken from the proposed sites result in lower concentrations ofBOD and TSS for two consecutive months, Dallas Water Utilities will: (1) Refund all surcharge payments
made through September 2000 based on your proposed adjustments stated in the March 19, 2001 letter; and (2) Cancel surcharge pay requests for October, November and December of2000. The
Town ofAddison, at its own expense, will then proceed with construction of New "permanent" sampling locations, agreed to by all affected parties, for future sampling. If sampling continues
to show high concentrations of BOD and TSS, the Town of Addison will forward any outstanding surcharge fees to Dallas Water Utilities and continue to determine the cause or source ofthe
surcharge problem. 
Please find attached a check for payment ofsurcharge :fues associated with the following months: July 2000 $33,291 August 2000 $10,173 September 2000 $11,099 Again, thank you for your
patience and cooperation in working with us in resolving these issues. Sincerely, 􀀴􀁌􀁅􀀮􀁾􀁾􀀠 Michael E. Murphy, PE Director ofPublic Works cc: Ron Whitehead I City Manager Chris
Terry I Asst. City Manager Randy Moravec I Finance Director Jim Pierce, PE I Asst. Director ofPublic Works Keith Thompson I Water Utilities 
8 dallas waterutilities city of dallas March 19, 2001 Michael E. Murphy, P.E. Director of Public Works Town of Addison P.O. Box 9010 Addison, Texas 75001-9010 Dear Mr. Murphy: This is
in response to your letter of February 27, 2001, concerning sanitary sewer surcharge bills that are outstanding. I had also written to you on February 28, 2001 and our letters apparently
crossed in the mail. The purpose of this letter is to clarify Dallas' understanding regarding an issue mentioned in your letter and to attempt to reach an agreement conceming it. Regarding
item (3) in your letter, it was our understanding that when construction of the proposed sample sites have been completed and sampling from each site begins, six months of sample history
will be gathered and compared against the disputed surcharge months of July, August, September. October and December 2000. Should the results from six months of sampling from the proposed
alternate sample sites generally be similar to the prior results from the disputed surcharges, then the full amounts from the disputed months will immediately be due from Addison. However,
should the results from six months of sampling from the proposed altemate sample sites generally be lower than the prior results from the disputed surcharges. the adjustments will be
calculated and applied to the disputed surcharges and payment will immediately be due from Addison. If this is not your understanding or it is not acceptable to you, please let me know.
This arrangement underpins all the other items proposed in your letter. We appreciate your cooperation and the time and effort you have spent on this issue. We look forward to a mutually
amicable resolution. In the mean time, ifyou have any questions, please call me directly at 214-670-5887. Sincerely, 􀁸􀁾􀂷􀁾􀁾􀀠 Randy Stalnaker, Manager Wholesale Services cc: Larry
N. Patterson, P.E. Mike Rickman Chris Kaakaty Zachary Peoples Tonia Lichtenberg Our Vision: To be on efficient provider of superior woler ond woslewoter service and a leader in the water
industry. whol"",1e Services. 1500 Marilla, Roam 4AN Oallas, Texas 75201 Telephone: (214)670-5888· Fax: 1214)670-3154 
PUBLIC WORKS DEPARTMENT (972) 450-2871 Post Office Box 9010 Addison, Texas 75001-9010 1680] Westgrove March 29,2001 City of Dallas Randy Stalnaker Wholesale Services DivisionIDWU 1500
Marilla -Room 4AN Dallas, TX 75201 RE: Town of Addison Surcharge Issue Dear Randy: It is not our desire to construct new sampling sites; until it is determined that site location is
a contributing factor toward the excessive surcharge readings. Our proposal is to set up "temporary" sampling sites as described in item #1 of our February 27, 2001 letter. (1) The temporary
relocation oj sampling sites to those locations shown on the attached site map, subject to DWU's approval ojsaid locations. If the locations shown do not meet with DWU's approval, mutually
agreeable sites will be selected DWU and the Town oj Addison will also agree on the sampling method and configuratiOn. The Town ojAddison will contribute labor and materials to this
effort ifappropriate. Also, we propose that sampling from the Temporary locations only be for two consecutive months, which we feel should adequately depict the strength of the efiluent
in question, and from that information move forward with whatever remedy is warranted. If the study holds true and samples taken from the proposed sites result in lower concentrations
ofBOD and TSS for two consecutive months, Dallas Water Utilities will: (1) Refund all surcharge payments made through September 2000 based on your proposed adjustments stated in the
March 19, 2001 letter; and (2) Cancel surcharge pay requests for October, November and December of2000. The Town ofAddison, at its own expense, will then proceed with construction of
new "permanent" sampling locations, agreed to by all affected parties, for future sampling. If sampling continues to show high concentrations of BOD and TSS, the Town of Addison will
forward any outstanding surcharge fees to Dallas Water Utilities and continue to determine the cause or source of the surcharge problem. 
Also, please note that the following payments have been approved and should immediately follow this letter. Ju1y2000 $33,291 August 2000 $10,173 September 2000 $11,099 Again, thank you
for your patience and cooperation in working with us in resolving these issues. Sincerely, Michael E. Murphy, PE Director ofPublic Works cc: Ron Whitehead I City Manager Chris Terry
I Asst. CityManager Randy Moravec I Finance Director Jim Pierce, PE I Asst. Director ofPublic Works Keith Thompson I Water Utilities 
Q dallas water utilities city of dallas March 19, 2001 Michael E. Murphy, P.E. Director of Public Works Town of Addison P.O. Box 901 0 Addison, Texas 75001-9010 Dear Mr. Murphy: This
is in response to your letter of February 27, 2001, concerning sanitary sewer surcharge bills that are outstanding. I had also written to you on February 28, 2001 and our letters apparently
crossed in the mail. The purpose of this letter is to clarify Dallas' understanding regarding an issue mentioned in your letter and to attempt to reach an agreement concerning it. Regarding
item (3) in your letter, it was our understanding that when construction of the proposed sample sites have been completed and sampling from each site begins, six months of sample history
will be gathered and compared against the disputed surcharge months of July, August, September, October and December 2000. Should the results from six months of sampling from the proposed
alternate sample sites generally be similar to the prior results from the disputed surcharges, then the full amounts from the disputed months will immediately be due from Addison. However,
should the results from six months of sampling from the proposed alternate sample sites generally be lower than the prior results from the disputed surcharges, the adjustments will be
calculated and applied to the disputed surcharges and payment will immediately be due from Addison. If this is not your understanding or it is not acceptable to you, please let me know.
This arrangement underpins all the other items proposed in your letter. We appreciate your cooperation and the time and effort you have spent on this issue. We look forward to a mutually
amicable resolution. In the mean time, if you have any questions, please call me directly at 214-670-5887. Sincerely, 􀀷􀁾􀀺􀁓􀁾􀀠 Randy Stalnaker, Manager Wholesale Services cc: Larry
N. Patterson, P.E. Mike Rickman Chris Kaakaty Zachary Peoples Tonia Lichtenberg Our Vision: To be an efficient provider of superior water and wastewater service and a leader in in the
water industry. Wholesale Services. 1500 Merillo, Room 4AN Dollos, Texas 75201 Telephone: (2141670·5888 • Fox: 1214) 670·3154 
15701 DaHas Parkway 02/04/2001 (2) 
16251 DaHas Parkway Drop FiHed with Rocks From the North Concrete in Main from theWest 02/04/2001 (4) 
16301 Dallas Parkway 02/04/2001 (5) 
.., . 􀀧􀀺􀀧􀁾􀁉􀁾􀀠.:... ..-.,"', "-􀀮􀀭􀁾􀀮􀀭........ . . -.';,':; '-'. -16401 Dallas Parkway 02/04/2001 (6) 
17120 Dallas Parkway 02/04/2001 (7) 
15770 DaHas Parkway 01128/2001 (1) 
Q dallas waterutilities city of dallas February 28, 2001 Mr. Mike Murphy Director of Public Works Town of Addison P.O. Box 9010 Addison, Texas 75001-9010 Dear Mr. Murphy: On February
8th , Dallas Water Utilities staff met with you and various representatives from Addison regarding issues related to wastewater surcharges that have been assessed to Addison. In summary,
the following items were agreed to: • Addison will provide to Dallas for review and approval alternate sampling site information. If the proposed alternate sample sites are agreed to
by Dallas, all expenditures related to construction of the proposed alternate sample sites will be borne by the Town of Addison. • Addison will pay past due surcharges through September
2000 to assist in closing out Fiscal Year 99-00. (July 2000 $33,291.19, August 2000 $10,173.02, and September 2000 $11,099.02; copies attached.) • When construction of the proposed alternate
sample sites have been completed and sampling from each site begins, six months of sample history will be gathered and compared against the disputed surcharge months of July, August,
September, October and December 2000. Should the results from six months of sampling from the proposed alternate sample sites generally be similar to the prior results from the disputed
surcharges, then the full amounts from the disputed months will immediately be due from Addison. However, should the results from six months of sampling from the proposed alternate sample
sites generally be lower than the prior results from the disputed surcharges, then adjustments will be calculated and applied to the disputed surcharges and payment will immediately
be due from Addison. Our Vision: To be an efficient provider of superior water and wastewater service and a leader in the water industry. Wholesale Services. 1500 Morillo, Room 4AN Dallas,
Texas 75201 Telephone: (214) 670-5888. Fox: (214) 670-3154 
February 28, 2001 Mike Murphy Page 2 Mike, please fOlWard the payment for July, August and September 2000 as discussed at the meeting. We also look fOlWard to receiving the information
regarding the proposed alternate sampling sites. If you have any questions, please feel free to call me at 214/670-5887. Sincerely, Randy Stalnaker Manager Wholesale Services Division
C: Larry Patterson, Assistant Director -Wastewater Operations Chris Kaakaty, Manager -PALS Zachary Peoples, Manager -Wastewater Collection 
8 dallas water utilities city of dallas August 17, 2000 Mr. Mike Murphy Director of Public Works Town ofAddison P.O. Box 9010 Addison, Texas 75001·9010 Re: Wastew,lter Sampling SUlVey
Dear Mr. Murphy: A $33,291.19 surcharge for excess BOD & TSS strength for July 2000 is reflected on the attached bill. This billing is for wastewater surcharge only. July wastewater
volume has been billed separately. A copy of the calculation of the charge and the wastewater monitoring report are enclosed. The wastewater sampling was conducted from July 11 through
July 19, 20'00. The enclosed monitOring report contains TSS and BOD results for 9 days. The average BOD concentnition was 442 mgIL'and the average TSS concentration was 890 mgIL. If
you have any questions, please call Shlva L Peters at 214.670.5888. Sincerely, VOltA-a. Randy Stalnaker Manager Wholesale Services Division enclosures c: Chris Kaakaty, Manager, PALS
Alan Aulenbach, Pretreatment Section Manager Our Vision: To be an efficient provider of 􀁾􀁵􀁰􀁥􀁲􀁩􀁯􀁲􀀠woier and waslewarer service and a leader in the waler industry. Wholesale Services'
1500 Morillo, Room..\AN Della>, Texo. 75201 Telephone: (214) 670-5888. Fax: (214) 67()'3154 
Utilities and City of Dalias Services TOWN OF ADDISON & UTILITIES DEPARTMENT PO BOX 9010 ADDISON TX 75001-9010 Service Provided JULY 2000 SURCHARGE BOD = 442, TSS = 890 WHOLESALE SERVICES
214/670-5888 EMERGENCY 214/670-8064 Utilities and City of Dallas Services ACCOUNT NUMBER: 221-1202003-001 TOWN" OF ADDISON % UTILITIES DEPARTMENT PO BOX 9010 ADDISON TX 75001-9010 Account
..umber: 221-1202003-001 '.,. Amount Due: $33,291.19 Total $33,291.19 Total Amount Due $33,291.19 , Keep this portion for your records Please return this portion with your payment Amount
Due: $33,291.19 Make payable to: City of Dallas City Hall, iAN Dallas TX 75277 
CITY OF ADDISON ACCOUNT NO: 221·1202003,221·1202250,221-1202359 CAlCULATION OF BILLING FOR EXCESS STRENGTH WASTE\I\IATER DISCHARGE FOR JULY 2000 BILLING PERIOD Cos! Factors fur Excess
Strencjth C, = $1.24154 C, = $1.14303 S", = Co.t per Million Gallons Point of Entry Samp.ling Results BOD -442 mgfL > 250 mglL allowable discharge strength TSS = 890 mglL > 250 mglL
allowable discharge strength 􀁾􀁴􀁩􀁯􀁮 of Cos! for Excess 800 & TSS Sw = C.(800-250) + C,(TSS-250) = $1.24154 ( 442 -250 ) + $1.14303 ( 000 -250 = $1.24154 ( 192 + $1.14303 ( 540 )
= $238.38 + $731.54 = $969.91 per Million Gallon. = $0.96991 per Thousand Gallons Total Wastewater Volume in BHling Period Acet 221-120200S.001 9,881 (xlooo) gal. Ace!: 221-1202250-001
6,321 (xlooo) g.1. Acet 221-1202359-001 18,142 (x1ooo) gal. TOTAL 34,324 Calculation of Charge for Exce.ss Strength Charge fur Exc••• Strength = Total Volume (CalooTatad Cost) = 34,324
( $0.96991) = $33,291.19 08117,'(10 
DALLAS WA'fER UTHITIES Repod of AnaJysis disOll, 'fm.Jn Of I:e 07/11100 07/11/00 07/11/00 07/12/00 07/12/00 07/12/00 07/:13/00 b Number 0022 0021 0023 0034 0036 0036 0049 lume 62.80
9.80 27.40 9.80 27.40 62.80 9.80 ·tal Suspended Solids 696 􀀳􀁾􀀸􀀠 714 558 49:1 569 830 oc11em 1. C8. 1 Oxygen Demand 4:30 ?n.] ... 1.:..... '110 401 2BG 480 270 ';:mide v.imium .r01r..lUrn
" r 'h', 'n.:::ur"y ck("!J 1Yet' l1e ,La 1 􀁾􀂷􀀧􀁉􀁲􀀺􀁾􀀨􀀱􀀧􀀺􀁩􀁬􀁳􀀠 '<:5f:nic ·ll?:nium oatabh, Oil &. Gre.ase :erone l1y.ene hyl Benzene opropyl Alcohol thyl Alcohol thyl Ethyl
Ketone ,thyleoe Chloride enol 􀀧􀁬􀁵􀀨􀁾􀁬􀀧􀁬􀁥􀀠 lene ash Cup \,A BRCH ACAD liS ACAD KS BRGl! ACAD 1 results, 􀁥􀀢􀁣􀀬􀁾􀁰􀁴􀀠 for pH, a,'e reported ill 109/I. 
DALLAS l'iATllR UTUITIES Heport of Analysis Addison, Town Of t.e 07/13/00 07/13/00 07/14/00 07/14/00 07/14/00 07/15/00 07/15/00 b NLUnber 0051 0050 0072 0071 0070 0097 0098 lunm 27.40
62.80 27.40 62.80 9.80 52.80 27.40 La] Suspended Ro1i.ds 436 1320 3110 925 844 1064 1092 {)ch!?wieal Oxygen Dt::.;nu:md 240 742 1750 720 7:35 258 144 anide dm J.l..HlI r'omi llrn " "';I<••
rcury ekel lve,. nc; tal "l<:1:aJ.s genIC len 1lUll oatable Oil Ix Oresse etone nzenehyl Benzene Opt«)py 1 Alcohol thyl Alcohol thy1 Ethyl I\et on,,, thylene Chloride enol luene lene
ash Cup 􀁴􀁾􀀠 KS BReH KS BitCH ACAD DReH RS 1 ,'esul LS, exc,.pt for pH, at'" ".,ported in mg/l. 
DALLAS WATER UTILI'rIES .Report of Analysis Addison, Town Of te 07/15/00 07/16/00 07/16/00 07/16/00 07/17/00 07/17/00 07/l7/0(J b Nllmber 0096 0104 01.06 0107 0113 0115 0114 lume 9.80
9.RO 62.80 27.4.0 9.80 27.40 62.80 tal Susp">nded Solids 1510 1010 335 992 553 1902 283 oelH'?llIica1 Oxygen Demand 3f;0 470 300 435 295 712 318 anide ,d,mi um romjum ,. b,.... t'cury
clu:] lv-erne tal 􀁾􀂷􀁴􀁥􀁴􀁡􀁬􀁳􀀠 senic lenium oatuble Oil 8, Grease efone nzene hyl Benzene opropyl Alcohol thyl Alcohol thyl llthyl Ketone thylene ChIor·ide ,enol lw.me lene ash
CliP 􀁴􀀮􀁾􀀠 AGAD ACAD BHCH KS ACAD KS BRCH .1 results, except for pH, are reported in mg/l. 
DALLAS lI1A'fEH liTILITIES -Report of Analysis Addison, Town Of te 07/18/QO 07/18/00 07/18/00 07/19/00 07/19/00 07/19/00 AVEW&I!.C! b Number 0124 0122 0123 0152 0151 O15a lome 27.40
9.80 62.80 62,30 9.80 27.40 tal Suspended So1 i,1., 36G5 1GIO 249 222 103S 834 890 or:hemical Oxyg,.n Demand 48Q ll20 1Stl 􀁬􀁴􀁾􀀵􀀠 320 401 442 'Iomid" !dmium IrOmitlDl ,. r 􀀮􀁾􀀭
n'cury d:e] .1 Vel' .11(; ,tal 􀁾􀁬􀁥􀁴􀁡􀁬􀁳􀀠 '!3enic 􀁾􀁬􀁥􀁮􀁩􀁴􀁬􀁬􀁮􀀠 .oatable Oil & Grt:!ase :elone mzene :hyl Benzene 'opropyl Alcohol ,thyl Alcohol .Lhyl Ethyl Ketone ,thylene
Chloride lenol .luene -lene .ash Cnp to KS ACAD BRCH BRCH ACAD KS .1 results, except for pH, al'e ,'eported ill rug/I. 
8 dallas waterutilifies city of dallas September 13, 2000 Mr. Mike Murphy Director of Public Works Town of Addison P.O. Box 9010 Addison, Texas 75001-9010 Re: Wastewater Sampling SutVey
Dear Mr. Murphy: A $10,173.02 surcharge for excess BOD & TSS strength for August 2000 is reflected on the attached bill. This billing is for wastewater surcharge only. August wastewater
volume has been billed separately. A copy of the calculation of the charge and the wastewater monitoring report are enclosed. The wastewater sampling was conducted from August 2 through
August 10,2000. The enclosed monitoring report contains TSS and BOD results for 9 days. The average BOD concentration was 259 mrJL and the average TSS concentration was 506 mrJL. !fyou
haire any questions, please call Shiva 1. Peters at 214.670.5888. Sincerely, Randy Stalnaker Manager Wholesale Services Division enclosures c: Chris Kaakaty, Manager, PALS Alan Aulenbach,
Pretreatment Section Manager Our Vision: To be on efficient provider of superior water and wastewater service and a leoder in the water industry. Whol"",le Service<· 1500 Marillo, Room.\AN
Dalios, Texos 75201 Telephone: 1214} 670-5888. Fox: 1214} 670·3154 
Utilities and City of Dallas . Services TOWN OF ADDISON & UTILITIES DEPARTMENT PO BOXS010 ADDISON TX 75001-9010 Service Provided AUGUST 2000 SURCHARGE BOD =259, TSS =506 WHOLESALE SERVICES
214f670-se8S EMERGENCY 214/670-8064 Utilities and City of Dallas Services ACCOUNT NUMBER: 221-1202003-001 TOWN OF ADDISON % UTILITIES DEPARTMENT PO BOXS010 ADDISON TX 75001-9010 Account
Number: 221-1202003-001 Amount Due: $10,173.02 Total $10,173.02 Total Amou nt Due $10,173.02 Keep this portion for your records Please return this portion with your payment Amount Due:
$10,173.02 Make payable to: City of Dallas City Hall, iAN Dallas TX 75277 
CITY OF ADDISON ACCOUNT NO: 221-1202003,221-1202250,221-1202359 CAlCULATION OF BILLING FOR EXCESS STRENGTH WASTEWATER DISCHAI<GE FOR AUGUST 2000 BILLING PERIOD Cost Factors for Excess
Strength Cs = $1.24154 C." $1.14303 Sw " Cost per Million Gallons Point of Entry Sampling Results BOD " 2S9 mglL > 250 mg/L allowable discharge strength TSS " 506 mgIL > 250 mglL allowable
discharge strength Calculation of Co.t for Excess BOD & TSS Sw "C.(SOD-250) . + C.(TSS-250) "$1.24154 2S9 -250 ) + $1.14303 508 -250 ) $1.24154 9 + $1.14303 256 " $11.17 + $292.62 =
$303.79 per Million Gallons " $0.30379 per Thousand Gallons Tatal Wastewater YOlume in Billing Period Ace!: 221-1202003-001 9,686 (xl 000) gal. Acct 221-1202250-001 6,286 (xl000) gal.
Ace!: 221-1202359-001 17,535 (xl 000) gal. TOTAl 33,487 Caloulation of 􀁃􀁨􀀢􀁲􀁾􀁅􀀾􀀼􀁣􀁥􀁳􀀮 Strength Charge for Ex""". Strength " Total Volum. (Caloulated Cost) " 33,487 ( $0.30379)
" $10,173.02
DALLAS WNfEH UTII.I'fJES -Hepod oJ An,,] )isis te OB/02/00 08/02/00 08/02/00 08/0:,/00 Of.ljO:J/OO 08/03/00 08/04/00 b Numher 0021 0019 0020 0029 0028 0030 0047 lmne 27.40 9.80 G2.80
62.80 9.flO 27.40 62.80 tal 􀁓􀁬􀁬􀁲􀀻􀁰􀀧􀁾􀁮􀁤􀁥􀁤􀀠 Solids .􀀳 􀁾,􀀿'..; :·.1.:'.1,u0 'lOG 3B9 2H 622 277 1,)cht".!JUif."::a l Oxygen Demand 1·1B 136 310 􀀺􀀺􀀻􀁾􀀳􀁂􀀠 191 305 228
anide dUlium rOlfliu11) 􀁊􀀩􀁄􀀧􀁾􀁲􀀠 i"CtU'Y 􀁣􀁊􀀻􀀺􀁩􀀮􀁾􀁊􀀠 1\,fE'I: fie tal 􀁾􀁬􀁥􀁴􀁡􀁬􀀮􀁳􀀠 senjc If']!n i llm o!'liable OJ] & 􀁇􀁮􀀺􀁾􀀡􀁣􀁉􀁓􀁥􀀠 􀁦􀁾􀁴􀁬􀀩􀁮􀁥􀀠 nzene hyl
Benzene opr-opyl Alcohol thyl Alcohol t.hyl Ethyl Kei.olle thyll2'ne Chloride enol lUHn,:-: lene ash Cup Ie KS ACtiO BRCH BflCH ACAD ItS BRCH 1 results, except for pH, at'e reported
in mg/l. 
DALJ,AS WA1'ER UTILI'rIES -Report_ o-f Ann lysis Addi.son, '1'Oi'l11 of lte \is!Oil/OO 08/04/00 08/05/00 08/05/00 OB/OS/OO DB/OG/OO 08/06/00 .b Number 00/(8 00,113 0066 0064 0055 0158
0160 l)ume 27-'10 9.BO 27,40 9.80 62,80 9.80 27.40 ,La1 Suspended Su! 1dB 411 303 315 351 533 50 [1·1 􀀺􀀬􀁉􀀩􀁇􀁨􀁬􀁾􀁭􀁩􀁇􀁡􀁝􀀠 OXYirt?D 􀁕􀁾􀁭􀁡􀁮􀁤􀀠 17.6 1.91 238 26'; 368 117
􀁬􀁾􀁏􀀠 􀁉􀁾􀀭􀁴􀁲􀁤􀀠df! I!lmium D"LHniultl )pnc'r :'n:I.U'y ;.{.;/-;(·1 iivel" !lie .,t"1 t\1ei:ols !'!--:::enlc :-.:leDiwl! loa! l'1b Jr.! oi.1 )(, c􀁾􀀠􀀧􀀱􀀻􀀧􀁾􀁾􀁓􀁦􀀻􀀧􀀠 Getoue
􀁾􀁾􀁮􀀷􀀮􀁣􀁮􀁥􀀠 thyl Ben7.ene 30propyl Alcohol ethyl A 1,'01\01 ethyl Ethyl Ke tone> 􀀶􀁾􀁴􀁨􀁹􀁊􀀮􀁥􀁮􀁥􀀠 Chloride benol oluene ylene lash Cup .j tc KS ACAD KS AC,\D BHCH ACAO KS
11 results, except for pH, a,'e ,'eported in mg/l. 
DALI,AS \VATER UTHI'fIES -f/eport of Analysis Addison, TOi+m 0 r Le 08/06/00 08/07/00 08/07/00 08,/07/00 08/08/00 DB/DB/aD DS/OB/OO b Number 0159 0078 0076 0077 oom 0096 OO!=l8 'I wnc
62.80 27. '10 9.80 􀀶􀁾􀀮􀀸􀀰􀀠 62.80 9,80 27. i;O Lal Suspended Solid", 684 25'1 412 Hl74 '114 275 315 oehemical Oxygen Demand 2:3G 134 '..'../;'-':t-.':.). :313 353 210 260 r,:l1tl
de dm'f'l:,UH !'O}fl"j UJll 􀁰􀁮􀁾􀁾􀁲􀀠 n.:ur'y die.l 1V(::."1:" r.,r. tal Metals se-nic If:n ium !)a1.able Oil & Gr£'8se etooE: nzene hy1 Benzene (>propyl Alcohol th),l Alcohol thyl
Ethyl Ketone thy18M Chloride E>,nol l.uene lene ash Cup tL'; lIRCH KS ACAD BIICH llRCH ACA]) 1\8 1 results, except for pH, are reported in mg/'l. 
DAUA:> \VATER UTILITIES RevorL of Analysis Addlson) 􀁔􀁲􀀩􀁾􀂷􀀯􀁬􀁬􀀠 l)f te b Number lume 08/09/00 0122 27.40 08/09/00 0120 9.80 08/09/00 0121 62.80 08/10/00 013:, 9.80 08/10/00 0135
27.40 08/10/00 0134 62.80 􀁁􀁶􀁥􀁲􀁡􀀡􀁾􀁴􀀮􀀺􀀭 Lal Suspended Solids ;)chemical OXY}S:B!1 lJ",mand .HLi de dmium ::omiLUIl nner :{36 279 162 144 273 2t14 329 19') 344 2,!O 603 210 :SOG
25::) n:Ul'y ·eke] lver 'Ie ::al "li"1:"Is :::.;enir.: 􀁬􀁩􀀻􀁾􀁮􀁬􀁴􀁵􀁮􀀠 oat able OiJ K 􀁇􀁲􀁥􀁡􀀸􀀱􀁾􀀠 ;.:tone nzene byl Benzene opropyl Alcoho] thyl Alcohol ["hyl Ethyl Ketone
thylene Chloride ,mol luene lene ash Cup I.e KS ACAD flllCH ItCAD liS DRCH 1 ['eslllts, except for pH, are reported ill mg/l. 
8 dallas waterutilities city of cJc"'QS Octobet; 25,2000 Mr. Mike Murphy Director of Public Works Town ofAddison P.O. Box 9010 Addison, Texas 75001·9010 Re: Wastewater Sampling Survey
Dear Mr. Murphy: A $11,099.02 surcharge for excess BOD & TSS strength for September 2000 is reflected on the attached bill. This billing is for wastewater surcharge only. September wastewater
volume has been billed separately. A copy of the calculation of the charge and the wastewater monitoring report are enclosed. The wastewater sampling was conducted from September 6 through
September 25, 2000. The enclosed monitoring report contains TSS and BOD results for 8 days. The average BOD concentration was 272 mgjL and the average TSS concentration wa,s 515 mgjL.
Ifyou have any questions. please call Shiva L. Peters at 214.670.5888. Sincerely, 1:::\:> 􀀨􀀻􀁾-􀀠􀀧<􀁾:􀁊:"'􀀠 􀁴􀀺􀁺􀀮􀀮􀀮􀀮􀁴,􀁾 􀀧􀀭􀀭􀀢􀀭􀀧􀀬i􀀠v,,Randy Stalnaker Manager Wholesale
Services Division enclosures c: Chris Kaakaty. Manager. PALS Alan Aulenbach. Pretreatment Section Manager Our Vision: To be on efficient provider of superior woter ond wastewater service
and a leader in the waler industry. Whole,ol. Servic., • 1500 Marillo. Room -IAN Dolios. Texos 75201 Telephone; [214j6iO-5888 • Fox: (214) 670-3154 .' . 
Utilities and City 01 Dallas Services TOWN OF ADDISON & UTILITIES DEPARTMENT PO BOX 9010 ADDISON TX 75001-9010 Service ProvIded SEPTEMBER 2000 SURCHARGE BOD =272, TSS =515 WHOLESALE
SERVICES 2141670-5888 EMERGENCY 214/670-8064 Utilities and CIty of Dallas Services ACCOUNT NUMBER: 221-1202003-001 TOWN"OF ADDISON % UTILITIES DEPARTMENT PO BOX 9010 ADDISON TX 75001-9010
Account Number: 221-1202003-001 Amount Due: $11,099.02 Total $11,099.02 Total Amount Due S11,099.02 Keep this portion lor your records Please return this portion with your payment Amount
Due: $11,099.02 Make payable to: City of Dallas City Hall, 1AN " Dallas TX 75277 
CITY OF ADDISON ACCOUNT NO: 221-1202003,221-1202250,221-1202359 CALCULATION OF BILUN!3 FOR EXCESS STRENGTH WASTEWATER DISCHARGE FOR SEPTEMBER 2000 BILLING PERIOD Cost Factors for Excess
Strength C, =-. $1.24154 C," $1.14303 S... :;;: Cost per Million Gallons Point of Entry Sampfing Resutts BOD = 272 mglL > 250 mgll allowable discharge strength TSS = 515 mgll > 250 mglL
all""",bl. discharge strength Calculation of 90st for ExcesS BOD eo TSS S.., = C,(80D-25O) + C,(TSS-250) = $1.24154 272 -250 ) + $1.14:303 515· 250 $1.24154 22 + $1.14303 265 $27.31
+ $:302.90 = $330.22 per Million Gallons. = $0.33022 per Thousand Gallons T obI Wastewater Volume in Sii!i{lq Period Acct 221-1202003-001 9,577 (xl 000) gal. Aoct 221-12022S()'001 6,397
(><1000) gal. kot 221-1202359-001 17,637 (x1OOO) gal. ". TOTAL 33,611 Ca!culation of Charge for Excess Strength Charge for Excess Strength = Total Volume (Calculated Cost) 33,611 ( 50.3:3(22)
= $11,099.02 
[l,ILLAS WATER UTHlTH:S -Hepol·t of Analysis v· 09/0(:)/00 09/0(,/00 09 or,ion O!'l/O7/00 09i07/00 09/07/00 09/0f.l/OO ,b Numbm' 0036 00:),,; 00:37 0059 OOGO 00G1 00;:6 ,I 􀁵􀁭􀁲􀀮􀁾􀀠
f􀀢?􀁽􀁾 􀀮􀀠(t.'' n􀁾􀀮 􀀠'Q, t 27.4 9.8 F:<.8 27.4 ',,7:.'.7: . ·1 ·tal SllSpt'llded Su] j ds 2G5 234 'IS:? i'17H 834 1554 406 􀁴􀀺􀁬􀁴􀀺􀁨􀁬􀁾􀁭􀁩􀁣􀀸􀀺1 OXY>Jr:'n D?mmHl l•.: ,:.-.
rq,. r;,! :2H:") 2;12 􀀳􀁾􀀸􀀠 2'39 1'+0 ,-:sTid(· Irlm i um r'ollli l.l.nl !ppe!" '; .. d;::'; dwl 1􀀬􀀺􀁾􀁾􀀬 J: 11;(' 􀁾􀀱􀀺􀀠􀀺􀁾􀀮􀁬􀀠 M,..;ta tB 􀀧􀁾􀀻􀁾􀀧􀀻􀁈􀁪􀀠c: ·i...:niullI
;x'!l ao1(\· 01.1 & 􀀨􀁪􀀧􀁾􀀺􀀺􀀧􀀺􀀺􀁉􀁂􀀨􀀻􀀧􀀠 't:.' i-􀁦􀀩􀀱􀀱􀁩􀁾􀀧􀀠 'n;-:'f:"np byl 􀁂􀁥􀁮􀁺􀁅􀀧􀁮􀁾􀁊􀀠 opropyl Alcohol 􀀬􀁬􀁨􀁾􀀺1 Alcohol '!hyl fHhy"l 􀁒􀁥􀁴􀀨􀁴􀁮􀁬􀁾􀀠 -thy
􀁬􀀮􀁾􀁴􀀱􀁴􀀧􀁾􀀠 􀁲􀀻􀁨􀁬􀀬􀀬􀀩􀀡􀀧􀁩􀁤􀁾􀀠 'f.-"n,d 􀀬􀁬􀁵􀁦􀀻􀀬􀀧􀁮􀁾􀀠 ']ene ash. Cup te p,nCH 􀁁􀁃􀁾􀁜􀁪􀁬􀀠 !{:1 ACAD finCH KS 1\5 1 results, except fot' pH, <.ire t":?p'Yrted
in mg/l. 
11>\11..-\;; WATEH H'rlI.ITIES -fleporL of Am, " -th: 09/08/00 OB/08/00 09/09/00 09/09/00 OD.'OU/OO 􀁏􀁾􀁬􀀯􀁉􀀧􀀡􀀠/00 0':1.'11 00 c 􀀭􀁾􀁢􀀠 NUlnbel" 00;)3 00;)4 0108 0106 0]07 0120
(; 22 ) lumr.' 9.8 q ... g.g ,1.::.,.. t--' 27,·1 G::.8 '.::.7.4 H.n ,I nl Suspf'nd(·rl t::.ollds 􀀺􀀵􀁾􀀵􀀠 482 971 134·'1 􀁩􀁾􀁅􀀻􀁬􀀠 120 JBl .,/)cl)-:.': : 􀀡􀀮􀁾􀀻􀀧􀁬􀀠-i (\;:_I:;.£::.Jl
􀁬􀀩􀁭􀁴􀁬􀀻􀁾􀀻􀁬􀁬􀁾􀀠 140 292 410 308 :330 l" .,">"":1'" 2tO -;J!ll,J,,:, li.'iJU i Uli': 􀀺􀀩􀀭􀁾􀁬􀁭􀀠J qf:! )PP,!:'l" .. ' ,,-I.U":-""'.,·1 t 􀁜􀀻􀀬􀁾􀀬􀀠J' ')1,' . -J t:qJ '+:'
[:.:::J:; • SVll v; '.' 􀁩􀀡􀁾􀁽􀁬􀀡􀀠U:H I ofii .<-!b 1;:-Oj.l L 􀀻􀀻􀀡􀁾􀀡􀀻􀀮􀀧􀁷􀂷􀀻􀀧􀀺􀀺􀂷􀀠 ;;e l on•.::\ 􀀧􀁮􀀻􀁾􀁦􀀢􀁮􀁴􀀧􀀠 I.hyl 􀁨􀁪􀁾􀁴􀀩􀀷􀀮􀁦􀀺􀀭􀁬􀁬􀁁􀀠 􀁾􀁴􀀩􀁰􀁲􀁯􀁰􀁹􀀱􀀠
.A.lcohul el.hy-l A !.coho 1. ·,,:thyl Ethyl ht,t ont:" 􀀱􀁾􀁬􀀺􀁨􀁹􀁬􀁾􀀧􀁮􀁥􀀠 Cillond" 􀁾􀁷􀁮􀀨􀁊􀁊􀀠 n llli,:,ue y 1erll" L.'ish Cup p .. He ACAli BHCH liS ,\CAfl BIlCH !i.,') .V:jHl
11 t'f':sults, except for pH, are n>ported in lIlg/L 
DAlI,AS WATrm UTILITIES -He-port of Arm-' ysis Addisou, 􀁔􀁏􀁾􀀧􀀯􀁄􀀠 of ,e 09/11/00 Of}/J 2/00 09 '12/00 09 ·12/00 Deli] :;/00 G9/1:;:/OO 09/1:3/00 ) Ntul1ber 0123 OF:;" 01:;:3 OJ},:'}
􀁏􀀱􀀵􀁾􀀱􀀠 Ol!)G oifS8 ,:-r, 􀀴􀁾􀀠 􀁾􀁵􀁭􀁥􀀠 62.8 􀁾􀁊􀀮􀀠8 D.;,.. :;, :£7.4 f;2.o D.8 27. i; ',al Suspro'nded Solids iJ70 􀀵􀀸􀀺􀁾􀀠 205 359 272 J06(; 2:..;0 􀀩􀁣􀁨􀁾􀀧􀁭􀀠iCi;ll
O"yten Df?1ll3nd :380 360 2:1:3 250 :3 J2 402 20:3 :Ull .it:3mium 􀁾􀁯􀁭􀂷􀁩􀀠um .􀁾􀁐􀀨􀀺􀀮􀀧􀀠1'::.:-l,t!'r 'j.:(:.., 1 ! <''::':'-1' 1(" tal Mel"al.f3 _H..'n:ic len i tuli )ai:Bb
1 e (0; 1 1;, 􀁇􀁲􀁥􀁾􀁜􀀡􀀺􀀻􀁾􀀭􀁾􀀠 i't our! );-;c-:'nc 1yl Benzene, Jpl'"opyl Al;::ohol thyl 􀁁􀁬􀁣􀁴􀀻􀁾􀁨􀁯􀁬􀀠 thyl Rt.hy1 Kf:,tone 1;It)'18w;, Ghloride :'no) 􀁬􀁷􀀽􀁮􀁾􀀠 lene
,sh Gup le IlHCH ACAD ImeH KS IlHCH ACAD KS 1 ,'esults, except for pH, are reported in JIIg/L 
DAj,J,AS l'iA1'RR VTlLITIES -Rep,)!,"! of ,\1131 ys j s ie 09/1.5/00 09115/00 09/1.5/00 􀁁􀁶􀁥􀁲􀁾􀁾􀁾􀁥􀀠 ) Number 02:38 02,10 02:39 lump 9.B 27. <1 02.8 tal Susrw·nded .sol·i ds 829
244 250 516 .........,.Q 􀀺􀀩􀁣􀁨􀁾􀀢􀀿􀀭􀁭􀁩􀁣􀁡1 OXjre>:·n (h:;>m8nd 41)0 245 245 ;.::./.... I:ln:i 􀁤􀁩􀀮􀁾􀀠 dmlum 􀁾􀀺􀀺􀀧􀀺􀀢􀀡􀁬􀁩􀁻􀀧􀀠 J f':'Jl ium oa! <:I! 􀁾􀀠1,:.;;' 01.
I 􀁾􀀻􀀭 (;1'('z\8;:' e lO:IH: n::..:eIH:' h;V1 􀁂􀀻􀀿􀁮􀁚􀀰􀁮􀁦􀀺􀀡􀁾􀀠 r.>prop·yl ,A" l(:oho1 thy J. Alcoil<:, 1 l hy1 Et hy1 f\r::t orll'::' f: h.;.·-lent:;-Gh 1or 􀁪􀀮􀁤􀀢􀀮􀀭􀁾􀀠
:-·.nol lUf.me lene ash Cup L", ACAO l(S BTICH 1 ""slIlts, except for pH, are 􀀬􀀮􀀬􀁾􀁰􀁯􀁲􀁴􀁥􀁤􀀠 in mg/l. 
PUBLIC WORKS DEPARTMENT (972) 450-2871 􀁜􀀧􀁉􀁾® Poat Office Box 9010 Addison, Texas 75001-9010 16801 Westgrove City ofDallas Randy Stalnaker Wholesale Services DivisionIDWU 1500 Marilla
-Room 4AN Dallas, TX 75201 February 27, 2001 BE: Joint Town ofAddison and Dallas Water Utilities Meeting (February 8, 2001) Dear Randy; I would like to once again express my appreciation
to you on bebalf of the Town of Addison for meeting with us on February 8, 2001, and for you and your staff's attention to the surcharge situation that we are trying to resolve. To reiterate
our concerns, as a result of a preliminary study prepared by Freese and Nichols, we feel there is a possibility that the locations where samples are currently being taken are affecting
the quality and accuracy of the representative system samples. To address this concern, the Town of Addison proposes the following: (I) The temporary relocation of sampling sites to
those locations shown on the attached site map, subject to DWUs approval of said locations. If the locations shown do not meet with DWUs approval, mutually agreeable sites will be selected.
DWU and the Town of Addison will also agree on the sampling method and configuration. The Town of Addison will contribute labor and materials to this effort if appropriate. (2) The Town
of Addison will pay the following surcharge amounts; (a) July 2000 -$33,291 (b) August 2000 -$10,173 (c) September 2000 -$11,099 (3) If the study holds true and samples taken from the
proposed sites result in lower concentrations ofBOD and TSS for two consecutive months, Dallas Water Utilities will: (a) refund all surcharge payments made through September 2000; and
(b) cancel surcharge pay requests for October, November and December of2000. (4) The Town of Addison, at its own expense, will then proceed with construction of new "permanent" sampling
locations (agreed to by all affected parties) for future sampling. 
Page 2 27 February 2001 2/8/01 Joint Meeting Agreement (5) If sampling continues to show concentrations of BOD and TSS above the 250mg/l threshold, the Town of Addison will forward any
outstanding surcharge fees to Dallas Water Utilities and continue to determine the cause or source ofthe surcharge problem. If Dallas Water Utilities agrees to the terms stated herein,
please return a signed copy of this letter at your earliest convenience. UNDERSTOOD ANDAGREED TO: 􀁾􀀮􀁾􀀠 Michael E. Murphy, Randy Stalnaker Director ofPublic Works ManagerlWholesale
Services Town ofAddison;'j I Dallas Water Utilities Date: 􀁚􀀭􀀯􀁾􀀷􀀠 􀁾􀀠 Date: l i -------Attachedperyour request are: 1. Location Maps showing drainage basins 2. Requested testing
methods and procedures 3. Temporary Test Site Location Descriptions xc: Ron Whitehead -City Mgr. Addison Chris Terry -Asst. City Mgr. Addison Alan Greer, PE -Freese and NicholslManager

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􀁾􀀨􀁊􀀬. • ;fiu(Jmlll' 010 i/O n::u.s TURNPIKE ;'lrrHORITY CALLAS NORTH TOI.LWAY WATER_ S SANiTARY SEWER 􀁒􀁅􀁟􀁌􀁏􀁾􀁬􀀠􀀧􀁵􀀬􀀬􀁾􀀠 STA 142 fOO TO STA 152.j. DALLAS WATER UTIUTIES
CITY OF. " .. I ... TEXAS .1. 􀁾SHilL Ino. Sec:'flOH...lill.. (f.4 H 41/0 J!JIJ!JA •.• ol'le. 'Vl'H 84A .• 
Summary of Issues Addison Sanitary Sewer Investigation (Surcharges) Laboratory Issues • Request ERMI furnish their laboratory procedures for receiving samples through analysis 􀁦􀁾􀀠f
f.\ 􀁜􀁣􀀮􀁉􀁬􀁯􀁾􀀠. • Request ERMI furnish QNQC data for analysis performed 􀁾􀁬􀁴􀁾􀀠¥VIU 􀁾􀀱􀀱􀁳􀁅􀀠 􀁾􀀥􀁾􀁏􀁃􀁾􀀠􀀭􀁖􀀱􀁁􀁾􀁍􀁁􀁾􀀠 Sampling Issues • Request RJN's written procedures
for collection and preservation of samples • Request RJN's written procedures for flow monitoring Sample Site Issues • Oeaning to be performed each month by Addison prior to sampling
• Sample sites were chosen with Addison's concurrence • Relocation of sampling sites would be at Addison's expense 
FEB-19-2001 15:27 FNI DALLAS P.01 Ma, ;·Ross· 1701 N. Market Street, Suit,JO LB 51, Dallas. Texas 75202 214/920-2500 • FAX 214/920·2565 • www.freese.ccm FREeSE· NICHOLS .."rchiteclure
Aviation ConstrJction Managemen< D(lms &; Spillways Dninagt Electric.1 Engineering Environmental Science Fire ProttC(lOO Site 􀁄􀁥􀀧􀁬􀁥􀁬􀁯􀁰􀁭􀁾􀁭􀀠 Streets & Highways Te!ecommunicotlDFI&o.•
l:dJiuts Water T.ansmission Systems FAX TRANSMITTAL SHEET T0: M;Jld Me)tfAj Fax No.: From: t.) " 0-> 􀀮􀀳􀁾􀁤􀁤􀀴􀀮􀀩􀀻 6(' Dace: Totll numb<!f of pages, including wlnsmittal 􀁳􀁨􀁾􀁥􀁣􀀺􀀠BfJ:30
Churge: 􀁃􀁯􀁭􀀮􀁭􀁣􀁾􀁴􀁳􀀺􀀠 {f there is J problem receiving :l.1ly 􀁰􀁡􀁧􀁾􀁳􀀮􀀠 􀁰􀁬􀁣􀀻􀁬􀁾􀂢􀀠􀁣􀁾􀁬􀁬􀀠2 l4.920.2500. 
FEB-19-2001 15:27 FNI DALLAS P.02 February 17,2001 FREEse-NICHOLS MicnaelMurphy, P.E. Town of Addison 16801 Westgrove Drive Addison, Tx 75001-9010 Re: DWU Issues Dear Mr. Murphy As a
result ofour meeting last week with Dallas Water Utilities concerning our report on the sanitary sewer investigation we respond as follows: Laboratory Issues• Laboratory procedures-allached
are the ERMI procedures used on the project. • The QNQC data was included in volume 2 of the report. Each laboratory result report included a quality control section. We are not sure
what else is needed. We made multiple phone calls to Lee Davis at OWU and were unable to contact him for clarification. Sampling Issues • ruN's written procedures for collection and
preservation of samples are attached. • ruN's wrinen procedures for instilliation, calibration, and maintenance ofthe flow metering equipment during tbe monitOring period are attached.
With regards to the sampling locations we considered inserting a stinger in the flat section ofpipe ofpipe in the meter vaults. However, when the minimum and maximum flow velocities
were calculated using our flow monitoring data for each site, we found the following; , : KELLER, ACADEMY BRANCH SPRINGS MIN VELOCITY IN METER IfIsecl 0.11 0.007 0.17 MAX VELOCITY IN
METER (llsec 0.56 2.70 0.81 These velocities are too low for representative sampling purposes. The maximum velocities at the Branch meter are acceptable but the diurnal low flow velocities
drop significantly below 1 foot/sec. There will be no perfect or utopian sampling points because of the nature ofthe system and available technology. However, there are good and betler
sampling points. We would recommend that the sampling take place at the first manhole downstream of each meter. For the Branch meter this is the manhole at station 0+50.4 on line A (DWU
plans), the Keller Springs recommended sampling manhole is at station 0+B5.29 on Line B (DWU plnns), and tne Academy recommended sampling manhole is atstation 0+14.14 on Line C (DWU
plans). These are the sampling points thaI were used for the study purposes. Although all three locations exhibited some surcharging during our Freese and Nlohols, Inc. • Engineers •
Erwircnmental Scientists • Architecls '701 Nonh Merket Slreet • Suite 500 LB 51 • Dall••. Texas • 70202 214,S2Q-2500 • Fax 214-920·2565 
FEB-19-2001 15:28 FNI DALLAS p,ro monitoring period, flow conditions are much better then upstream 01 ,he meters, The sampling tube at all sampling points snould be set so that it does
not rest on the bottom of the manhole, According to the drawings, the outlet pipe invert is, in all instances, atleaSI I foot above the manhole invert, We would prefer that the sampling
lube be set at or slightly above the outlet pipe invert. The low diurnal flows during our monitoring had depths of 1.15", 3,8", and 4.29" above the outlet pipe inverts respectively for
Academy, Branch, and Keller Springs sampling locations. In addition, the DWU suggestion about cleaning the piping immediately upstream of the meters should be implemented, It was also
apparent during the meeting that some of the DWU staff took . offense to our observation abOUt the sampling lube being located at the very bottom of the manhole. Unfortunately. we do
nOI have pictures to back up our observations, We would suggest Ihilt during the sampling periods your staff take date stamped pictures of the sampling setup in order to document the
sample tube configuration on a daily basis during the sampl;ng periods. Should you need any additional information please let us know, Sincerely. FREESE AND NICHOLS, INC. 􀁾􀀦􀀺􀁅􀁾􀀠
FEB-19-2001 15:28 FNI DALLAS P.04 February 17. 2001 Michael Murphy. P.E. Town of Addison 16801 Westgrove Drive Addison, Tx 75001·9010 Re: DWU Issues Dear Mr. Mwphy As a result ofour
meeting last week with Dallas Water Utilities concerning our report on the sanitary sewer investigation we respond as follows: Laboratory Issues• Laboratory procedures· attached are
the ERMI procedures used on the project. • The QNQC data was included in volume 2 of the report. Each laboratory result report included a quality cono:ol section. We are not sure what
else is needed. We made multiple phone calls to Lee Davis at DWU and were unable to contact him for clarification. Sampling Issues • RJN's written procedures for collection and pIeservation
of samples are attached. • RIN's written procedures for installation. calibration. and maintenance ofthe flow metering equipment during the monitoring period are attached. With Iegards
to the sampling locations we considered inserting a stinger in the flat section of pipe in the meter vaults. However. when the minimum and maximum flow velocities were calculated using
our flow monitoring data for each site. we found the following: KELLER ACADEMY BRANCH SPRINGS MIN VELOCITY IN METERlflsec\ 0.11 0.007 0.17 , MAX VELOCITY IN METER II/secl 0.56 2.70 0.81
These velocities are tOO low for representative sampling purposes. The maximum velocities at the Branch oteter are acceptable but the diurnal low flow velocities drop significantly below
1foollsec. There will be no penee! or utopian sampling poInts because ofthe nature ofthe system and available technology. However, there are good and better sampling points. We would
recommend that the sampling take place at the first manhole downstream of each meter. For the Branch meter this is the manhole at station 0+50.4 on line A (DWU plans). the Kelle( Springs
recommended sampling manhole is at station 0+85.29 on Line B (DWU plans). and the Academy recommended sampling manhole is at station 0+ 14.14 on Line C (DWU plans). These are the sampling
points points that were used for the study pwposes. Although all three locations ex.hibited some surcharging during our 
FEB-19-2001 15:28 FNJ DALLAS P.05 monitoring period. flow conditions are much better then upstream of the meters. The sampling tube at all sampling points should be set so that it does
not rest on the boltom of the manhole. According to the drawings, the outlet pipe invert is, in all instances, at least 1 foot above the manhole invert. We would prefer that the sampling
lUbe be set at or slightly above the outlet pipe invert. The low diurnal flows during our monitoring had depths of 1.75",3.8", and 4.29" above the outlet pipe inverts respectively for
Academy. Branch, and Keller Springs sampling locations. In addition, the DWU suggestion about cleaning the piping immediately upstream of the meters should be implemented. It was also
apparent during tbe meeting that some of the DWU staff took offense 10 our observation about the sampling tube being located at the very boltom of the manhole. Unfortunately. we do not
have pictures to back up our observations. We would suggest tbat during the sampling periods your your staff take date stamped pictures of the sampling setup in order to document the
sample tube configuration on II. daily basis during the sampling periods. Should you need any additional information please let us know. Sincerely, FREESE AND NICHOLS, INC. J.R. Baddaker
P.E. 
FEB-19-2001 15:28 FNI DALLAS P.0E> Addisoa, Tuas -Flow MomtoriDg aad Samp1lDg Proeedllres (elF collectiDg,aJld prescry!pg _pie" !UN c:oUectcd hourly samples at eael! oCtile sampling
PODS using Americ:an Sigma 900 portable samplc:rs. Samples were coDccted from each oCtile wee samplen, aile time eJlch day and transfmed to the sample bottles provided by ElWI. ERMI
provided bottles with the appropriate prcservatm: iac:lllded. !UN llsed WlUainers (ice chest) provided by EMIlI lIId ensured the samples were iced at ,n times. 'The sample.\1 were tnnsportod
to EMIU immediately uprm colleetioo. Flow weighted samples were composited based 011. the flow mouitoriJlg results. The c:ollcctioa adpresetVatioa for flDw weisJited samples followed
the 􀁰􀁲􀁯􀁾􀁥􀁤􀁬􀁕􀀺􀁥􀀠described above. 'flow Momtlll'illa: lUN instlBed thtee America Sip;! 950 portable flDw matern, ODe at eam ofthe three sitea. The Dll:ter& were calibrated in
the office and cllecked at the site perl'onning a veloc:ity profile using a portable veloQity meter III.d taking • .manual depth reading. The re!ll.llla were compared to the Dll:ter
readings. This proc:edure was pelformcd daily duriJlg sample coD"",;..... No adjustI:t\ImJ: were made u the XI!l!Illlts aime lIWlual teRs verified the meters were working properly during
the ssmpling period. Flow meter probes were cleaned each day to tIls:urc proper measurements were being collected. 
FEB-19-2001 15:28 FNI DALLAS P.07 I BIOCHEMICAL OXYGEN DEMAND I Method 405.1 (S DI1Ys. %0'0 I STOREr NO. 00310 Carbonaceous 80082 I I. Scope and Applic.1.tlon 1.1 . The biochc:l'lli<;al
oXYl1Ul demand (BOO) test is used ror deterxninin, the reJ;1live oxygen I requirements ormunicipal and industri2l wastewaters. Application or the lest to organic I I "'ute: discharg""
allows calculation ot'the effect' of the discha!'g<$ on the oxygen fe50lItecs of the receiving ",ater. Oatil. from BOD tests are med for the developmenl of IlI\gjnecring cnteri3 ror!he
design of wastewatCl' !realment plants. I I 1.2 The BOD tat is an empirical bioassay. type procedure which meo.'!ures the dissolved oxygen cOIIlIulIl.d by microbi411ife ..hile: assimilating
and Oxidizing the organic matte, pfO':lCnt. The $WlOarCi test conditions incluc:t. dArk incubation at 20·C for" $pe<:i/ied time period (ol'tcn 5 clays). The acruaJ 􀁥􀁮􀁶􀁩􀁲􀁯􀁮􀁭􀁾􀁮􀁴􀁡􀁬􀀠conditi
ons or tempera.ture, biological population, ..ater l!I.ovemcnt, sunlight. and oxyltelt concentration ""nnot b. accurately I r<:prcdul:c.d in the labotato\"y. Rc:sults obtained must take
into account the above factors wlwl relating BOD results to .!ream oltygen demands. 2, Summary ofMethod I 2.1 The sample of waste, or an appropriate dilution, is incubated for 5 days
a. lO'C in the dark. 􀁔􀁨􀁾􀀠reduction in dissolYed oxygen coneentrlllion during the incubation period yields" mc:.sW'e ofthe bioohemiCIII OllYlIen demand. f J. Conuuenl$ .. 􀁾􀀬􀀱􀀠
Dctermi.... lion of dissolved oxygen. in the BOD u::;.t m.ay be mac:te by \\lie of either the .Modified Winkler with Full·Home Technique or the Probe Me,hoc:t in this m:mu.al. I 3.2
Additional information relating 10 oxygen dmlanding chancteristiC'S of w ...􀀡􀁣􀁷􀁡􀁾􀁯􀁲􀀵􀀠can be gained by applying th. Total Organic Carbon Bnd Chemical Olygen Demand 1e$!S (alsn
found in thi$ manual). I 3.3 The use of 60 m.I incubation bottlll:$ in place of the usual 300 m.I incubation 􀁢􀁯􀁮􀁬􀁾􀀮􀀠in eonjunctioll with the probe, is often convenient. I 4. Precision
and A=<:,/4.1 Eighty-six AnalystS in fifty-dght I4bol1l.tories analyzed tlaturoll water so.mples plus an ex.act inc:reu:lellt of biodegradable organic eompounth. At a mean ""llIe of
2,1 and )75 mg/I BOD, tbumndard deviation was j:O.7 and .. 2611lgll, respectively (EPA Method R.eaen.rcb Sludy 3). 4.2 There is 110 􀁾􀁴􀁡􀁢􀁬􀁥 prccedure for determining the accuracy
ofthe BOD te3t, .', I • 􀁁􀁰􀁰􀁲􀁯􀁾􀁥􀁤􀀠(or NPDES CBOD: pending approval for Section S04(h). CWA Issued 1971 I 'Editorial revision 1914 l .cG5.1·1 I ..--' . 
FEB-19-2001 15:28 FNJ DALLAS P.08 5. R.ferllJlccs 5.1 The prca:<iure to be used lor this dell!rmin:1tion is fou.nd in: StarulM"d Method' {or the wminalion 01 􀁗􀁾􀁣􀁾􀁲􀀠and Wast ....
ac.r. 15th Edition. p. fS!. Method S07 (1960). 􀁾􀀮􀀲􀀠 Young, J. C. "Chemical M.lhod$ (or Nitrification Control," J. 􀁗􀁡􀁾􀀠 Poll Control Fed.. 45. p. 637 (197!, . . 1 " '. 
FEB-19-2001 15:28 FNI DALLAS P.09 I CHEMICAL OXYGEN DEMAND I Method 410.4 (Colorimetric:,. Al1tomated:; Manual) I STORET NO. 00340 1 I. Scope"';d AppliC2tion 1.1'. Th.is ",ethod covers
the detenainatian ofCOO in surface wa.tors. domestic and industrial waste:!. I 1.2 The applicable range of the automated ",ethod is 3-900 mgtl and the 􀁲􀀳􀁬􀁬􀁾􀀠of llIe manual method
is 20 to 900 mgll. :2. SummaryofMethod I I 2.1 Sample, blanks and stMdlLTcU in sealed tubes are heated in an oven or block dii!l:Slor in I the prese,," of dichromate at iso·c. After
two hour.!. the tubes are removed from the ! oven or digestor, cooled and tIlQ.'lW'e.d spectrophotometriolly at 600 rnll. 3. Satnplc: Handling and Preservation r 3.1 Collc:::t the samples
in glass bottles ifpos.sible. Use of plastic: containers is pennissible ifi! ! ; I i.lcnown that 110 orlluic contanliuanu are pr=cnt iu the contain=. ,I· 3.2 Saml'les should be: preserved
with sulfuric acid to II pH <:2 and malnr.amed at "'C until f: analysis. 1 I I 1 4. Interfe....Interfe....nces I 4.1 Ch.\orides arc: 􀁱􀁗􀁬􀁮􀁴􀁩􀁴􀁬􀁬􀁴􀁩􀁶􀁾􀁊􀁹􀀠 oxidized by dichromate
and represe:ot· B posn:,,'e 􀁩􀀺􀁡􀁴􀁥􀁲􀁦􀁾􀁲􀁥􀁮􀁣􀁥􀀮􀀠Mercuric 􀁳􀁵􀁬􀁲􀁡􀁬􀁾􀀠is added to the diiestion·t,ubcs to complex llIe chlorides. I 􀁾􀀮􀀠 Apparatus I 􀁾􀀮􀁬􀀠 Dryingovcn
orblocl( digesIDf. 􀁬􀁾􀁏􀀧􀁃􀀠 :S.2 Corning culturetub.:s. 16 x 100 mm or 􀁬􀁾􀀩􀁴􀀠lSO'mm with Teflon lilled Screw cap I 5 . .3 Spectrophotom"ter or 􀁔􀁥􀁣􀁢􀁮􀁬􀁾􀁯􀁮􀀠􀁁􀁵􀁴􀁯􀁁􀁮􀁡􀁊􀁹􀁺􀁾􀀠
5.4 Muffle 􀁦􀁵􀁮􀀺􀁕􀁬􀀮􀁾􀁥􀀮􀀠SOO·C. I 6. Rcagcnu 6.1 Digestion solutioll; Add 10.2 g K,CI,O,. 167 mlcon•. H,SO.and 33.3 g HgSa. to 500 ml ofdistilled water, cool and dilute ID IUter.
I 6.2 Catalyst solution; Add 22 g Ag,SO. tl) a 4.09kg bottle of <:<one. H,SO•. Stir until dWolved. ..-. 6.3 Sampler waoh solution: Add Soo ml ofcone H,SO. to 500 ml ofdis!Wed water.
I 6.4 Stoc!r.pota:is;umacid 􀁰􀁨􀁴􀁨􀁡􀁊􀁡􀁴􀁾􀀻􀀠OLssolveO.850 giii SOO miofdi'tWed wateranddiluteID IUter. I ml = I mg COO • 6.4.1 Prepare a scri.. of standard $olution' that cover
the expected $aIllplc concentrations by diluting appropmte volumes of the stocle sWldard. • 7. Procedure 7.1 Wash all 􀁣􀁵􀁬􀁴􀁬􀀱􀁴􀁾􀀠tubes and screw caps with 20% H,SO, before their
first use to prevent eontamination. Trace cootamination may be removed fto"" the tub... by igniting tbom in a mul'lle oven at SOO'C for I hour. I Pending apprnval for Seenon 304(h),
CWA I$sued 1978 I '. 410.01.. 1 I ". 
FEB-19-2001 15:29 FNI DALLAS P.l0 '• 7.2 . AUIOInllIl!d 7.2.1 Add 2.S m.l Of53.11\ple!o the 16 􀁾􀀠100 nun Illbes. ,-.:••. 1,2.2 Add \ . hoI. ofdig_tio" soluuon (6.1) IUId miL 7.2.3
Add 3.5 ml ofc:ataly.tsoilltion (6.1) carefully down tbe side of tit. culture tube. 7,2.4 Cap liehUy and. .hakt to ruill: lIlyel'S. 7.2.S Pt(I= standatds and bluks e.uclly as the samples.
7.2.6 pw:e in OVeII or I:IIQCk digestou\ 1sere fOrlwo hours. ··7::Z.7 'Coal, and plaee lIandards in ......pler in order of d""r=inr cooc;entl"lltion. Complete fillingsl1II1pler !ray
with !lIIla1oWII.su.tIlplcs. 1.1.8 M_..", 􀁣􀁯􀁬􀁾􀁲􀀠intensity on AutoAnajyzer at 600 mao 7.3 Manual 7.3.1 The following procedure l1I:\y be qaed if Q larger 31Utlple is des!. ed. Qf
:1 spcct1'ophotomete.l'is used in place ofan 􀁁􀁵􀀮􀁴􀁯􀁁􀁊􀁗􀁹􀁾􀁥􀁲􀀮􀀠 7.:U Add 10 m.l ofsamp\e to 25 x ISO mm 􀁣􀀺􀁵􀀱􀁴􀁵􀁲􀁾􀀠tube. 1.3.3 Add 6 1'111 ofdigestion 301ution (6.1)
a.nd mix. 7.3,4 Add 14 ml or catalY.1 solution (6,2) down 111. siat or cllllur. rube. 7.3. $ Cap tightly and .hake to !nir layers. 7.3.6 Placcinovlmorbloekdigcstora.t lserc for lUOun.
7.3.7 COOl. allow any precipitate to settle al\d measure intensity in spectrophotometer a' 600 􀁾􀁭􀀮􀀠Use only opticallY matched culture tUbcl or a single cell for spectrophOllHnetriC
measurement. 8, OUcuhttiOtl 8.1 Pt"par"utandard curve by plotting p ...k heignt Ofp.reent transmittance again.t k,nown COtlCl:lltnltioas ofstandards. I ' g.2 Cr:nnputeconcon,ration ofsamplos
by comparinl sampluosl'0ll:;C (0 .tan<!ard CUI'Ve. 9. l'rccision and Acc111"O.Cy 9.1 Pr.cision IUId oc:curac:y data ate no! available at tit., time. Biblio1ll'aphy 1. Jub, A.. M.. nnd
M.1. Carter. "MlcfO-Sem.i-AU{QllUled Analysis of Surface and Wastewaters for Chemical OXl'l!on Demand.· Anal. 􀁃􀁨􀁾􀁭􀀮􀀠£: 1:197. (1975), '. 410.4..% 
FEB-19-2001 15'29 FNI DALLAS P.!! RESIDUE, NON·FlLTERAlILE Method ]60':: (Gravimetric, Dried nt lO3-1QS'Cj STOREY NO. 00530 I. Scope and App!icatiOll 1.1 This ",.!bod is applicable to
drinking. 􀁾􀁵􀁲􀁦􀁡􀁯􀁥􀀮􀀠a",1 sa1is:te wat.ct•• domestic: and iJldtlStrial WlI$I.... 1.1 ThepraccicaJ 􀁾􀁧􀀮 oflbcdctcnninatiOIl is 4mg/ilo 20,000 lng/I. 2. SUlI:III)..U"fo(M;etllod
. 2.1 A ""eIl-mi.lIed sample is fillc-ted through a glass fiber m1cr. Alld tile residue fClllWed On the filler is dried to oDlllitanl wcigbt at 􀀱􀀰􀀳􀀭􀀱􀀰􀁾􀀧􀁃􀀬􀀠 1.1 The filn-ate
from this method may be used for ResidUe:, Filletable. 3. n.ruUtions 3.1 ilesidue. noa-filterable. is delbled :IS those solids whlca are r.u.ioe<! by .. glass fiber ruter and dried to
coo.iact weigbl at 103-IO.5"C. 4. S:unple Handling and PreservatiOIl 􀁾􀀮􀀱􀀠 NOD-representative pamc:u!:nes such lIS leaves. sticks. fish. and lumps of fee:il ll!aI:l'.eC should b ••􀁾􀁯􀁬􀁵􀁤􀁥􀁤􀀠
fro ... tbe $i1I1pl<l. if it i. dctcnnincd that theu-inCIWl\OIl llo not dc:si.rcd in tlle final rl!Sul1.. 4.2 Pr",.,...ation or the sa.t1lple i. IIOt p.."llcal; aDall"'is should begin
as soan as pemble. Rdrigcn,lon oc icing to 4'c' ta minimize !llicrobiologic::aJ decomposition of solids, is reeomlllcndcd. t' . S. In<crft:.retl"CI 􀁾􀀮􀀱􀀠 FUtra,;an app,.,."tlU. ruter
material, pre-wuhing. posr,wa.$!l.ing. and drying tlImpereture are sp..::ificd because these variables have been sAowD to 1llfcc:t the resulta. 􀁾􀁟􀁬􀀠 Samples blgll ill 􀁾􀁕􀁬􀁥􀁲􀁡􀁢􀁬􀁯􀀡􀀠ReSidu
e (dissolved solid.). $w;h as saIlne wat.",. brines lIIId '0"" wasta. may be $ubj..,t to a positive intcrf..."""". 􀁾Itlust be ta.k"" in stl..:titlg the fiherill& apparlllUS so that
wasbi:og efthe rIllet &.lid any di:;:wlved solids in the filter (7.S) minimize; tiUs pormtial interference. 6. Apparatus . 6.1 Glas. fiber 􀁦􀁩􀁬􀁾􀀠discs. withollt Otpnic binder. such
as MiIlipore AP-40. 􀁾􀁡 􀁾􀀰􀀺􀀱􀀠 934-A11, Gebnan type AlE. Ot equivalent NOTE.: B_use of th" 􀁰􀁢􀁹􀁳􀁬􀁾􀀠IJ..1lure ofglas$ Jiber filters, the absolute pore size cannot b.4:CntroUed
Of mcasu.r.d. T emu such a3 "por.$izJ:". coUection d'l'iciencies ond dfective rcteation are used to de1i:ne this property in glas. fiber fillers. Volues for these par.u:ncterS vary for
the flllcS USted abQvc. G.! PUler :mppcnl filtering "Pparatns with 􀁲􀁥􀁳􀁾􀁯􀁩􀁲􀀠and a coarse (40-60 ltliOton:) frittcd disc as a filter SlIPPOrt. Approved for Nl'DES bliued 1911 '.
. I 
FEB-19-2001 15:29 FNI DALLAS P.12 NOTE: Many funnel designs are available in glass or porcelain. Some of the most common ...... Hinch or Buchner funnds. membra.ne !iller holders and
Gooch cruclbla.. All areavailabl .. with coarse fritted disc. 6.3 Suetio" !\ask. 6.4 Drying ove.., 103-1O'-C. 6S Desiccator. 6.6 Analytical baLanc,,", capable ofwclghil1g: to 0.1 mg.
7. 􀁐􀁲􀁯􀁾􀁥􀁤􀁵􀁲􀁥􀀠 7.1 Preparation of gla3s liber filter disc: Place the &:Ia:.s fiber filter on the membraue filtet apparatus or insert into bottom of a $uitlble Gooch erucible
with wril:ikIed surface up. Wbile vacuum is applied, wasb the disc with three 􀀤􀁷􀀺􀁥􀁥􀁳􀁳􀁩􀁾􀁥􀀠20 mI volumes ordistilled "'aler. Remove alItnees ofwater by conllnwng to apply vacuum
after water ha:! passed through. !leonove filter from m=brane filter apparatU! or both erodbl......d ruter if Gooch crucible is used, and dry il1 an OVCJI al I03-10S'C for Olle hour,
Remove to desicc::ator and store Ilntil "e<t\ed. Rop""t tho dryi", oycle u"ti1 a c:otllltAnt ..,.,jgbe is obtained (weight 10" is less th.an O.S IDS). Weigh immediately before we. After
weighing, banc!l. the fllter or eNcibl./filter with forceps or tongs ollly. 7.2 SrJection ofSample Volume FOr a 4.1 em diaItleter 􀁦􀁩􀁬􀁾􀀬􀀠filter 100 ml ohampl... Ifwe.igbt of captured
residue is less lhan 1.0 mg, the sample volume: m.USt be inc:re:uedto provide at least 1.0 mg of r..idW!.l! other filter diameler.; are used. start with a salllple volume equal to 7
mVcm' offilter area and collect at least a 􀀢􀀧􀁣􀁩􀁾􀁨􀁴􀀠ofresidue proponionaltl;) the 1.0 mg stated above, NOTE: If during filtration of this inilial volume'the filtration rate drops
rapidly, or if fillrador! time exceeds 5 to 10 minutes. the 􀁦􀁯􀁬􀀱􀁯􀁷􀁩􀁮􀁾􀀠scheme is recammcnded: 􀁕􀁾􀁥􀀠an unweigbed glass fiber filter of choice affixed in the ruler lWIe:moly.
Add a known volume of sample to the £ilter lUnIIeI a.n.d rocord tbe lial" elapsed aftct selected volumes have pas.s<!d through the filter. Twenty·five mI incr=enlS for timiDS are suggested.
Continue 10 record 􀁴􀁨􀁾􀀠time and 􀁶􀁯􀁢􀁬􀁉􀀺􀁧􀁾􀀠 increments until liuntiotl rate drops rapidly. Add additiOtW &ample if the filtct fwmel volume is inadequate to reacb a reduced
rate. Plot the obscrvocl 􀁾􀁩􀁭􀁥􀀠vcrs;us vclnme filtered. 􀁓􀁥􀁬􀁾􀁴􀀠the proper filwtion volume as tha.t just shon O(11le time a signHicmt change in rulration rate occurred. 7,3 􀁾􀁢􀁬􀁥
the filtering appar.IltUJI and begin sueuon. Wet the1ilter with a. SllIall volume of distill<!d ",ater to sat itagaimt the fritted support. . , 7.4 Sbake the sample vigorously and quantitatively
transfer ,the predetetmined sample volume selected in 7.1. to the filter using a S",duated cylillder.!le:trlovi all traces o{water by continuing 10 apply vaCIlIml after sample has passed
througb, 7.5 Witb suction an, ",...h the II1"'dWited oyUnder, ruw. non-filterable residue and filter funnd wall with. three portiOJl.S of distUlcd water allowing complete drainage betwer::n
w8$hillg. Remove all tTaccs of wa.w by col1tinuing to apply vacuum after water bas PlWed PlWed through. . NOTE: Total yolWlle ofwash _ter used should equaJ approximately 21111 per em'.
FOrA 4.7 em fllter the total volume is 30 1111:" " 
FEB-19-2001 15:29 P.13 (.6 Ca.rellllly remoye Ib" filter Crom the tUcer auppon. ·A1tem.lllively. (!move crucible and filter from crucibl.l.ldapr .... Dry at 1"""1 one houral J03-IOS'C
Cool in a dcsi"""tonnd ",.igh. Repeat Ibe drying cycle lIntil a constanl we.i;ht is obwned (""eight Joss i.s 1= than 0.5 mil). S. Calculations 8.1 Calculate non-filterable residue""
follow:!: . (A -B),<I 000 Non-liIlm'llle ('$laUe. ",gil .' C' where: " .1 A = weigbt affllt"r (or Cuter and crucibl.) + residue&. mg 11 '" w<::igbe oUuter (arruler and crucible) in mil
C = ml orsample filtered 9. Precision all<! Accuracy I 9.1 Precision data arc na!available&I this lin>e. '., 9.2 Accuracy data on actual samples cannot be obtained. .' BlbliOgr2phy I.
NCASI T""hN""l Bulletin No. 291. March 1977. Natio!)aI COuncil of the Paper Indu$t!Y for Air and SUdUI rmprovcmcnt, Inc., 260 M .dison Ave.. NY. " ! I, i 
FEB-19-2001 15:29 FNI DALLAS P.14 Effective Date: Mav30,199S Subject Method: ERMI Approll8d fi!t_By QAAf: Sample Log./n Page: 1of1S Approved By LM: Revision: 6-6-96 Sampling, Containers,
PreseNatlons, Holding Times: See Appendix C 1.0 GENERAL DISCUSSION Detection Limit: See Appendix B 􀁾􀀯􀁪􀁩􀁊􀀧􀁲􀁴􀁉􀁩􀁖4􀁲􀁬􀁬􀁾 JFEB 16 2001 􀁾􀀠 -------..__ u 􀀮􀁫􀀮􀁾____. ___.....
ERMI is an environmel)lal chemistry laboratory. The results of nearly all the analyses we perform are used 10 satisfy some regulatory requirement Imposed by federal. state or local environmental
agencies. Because of this, our results are sometimes scrutinized in regulatory proceedings or in courts-of-Iaw. Therefore, they must be appropriate for the purpose intended and defensible.
To meet these criteria, samples must be handled and analyzed according to certain regulatory agency protocols, usually EPA, and complete records stored for easy retrieval. These records
must demonstrate appropriate handling and analySiS protocols were used and substantiate the results obtained when they are questioned. Se very careful of customer ,ample,. Very often
they are one-ot-a-klnd and cannot be replaced or can only be rep/aced at great expense. Also, some samples contain pollutants that produce obnoxious odors, unhealthful fumes, are corrosive
or ignitable or have some other undesirable or dangerous property. Handle them with great carv and do not drop or break them. Sample log-in Is the initiation of the sample analysis process
and is one 01 the more critical steps. DUring log-in. the chain-ot-custody tor the sample is signed officially receiving the sample into the laboratory, analysis parameters and methods
01 analysis are definitively determined and assigned to the sample. samples are checked to ensure they have been preseNed appropriately for Ihe desired parameters, a unique laboratory
Identification number is assigned to the sample and the sample and list(s) of parameters to be analyzed are transferred to the laboratory for analysis. It is not at all unusual lor customers
no! to know exaclly what they want or need to analyze from a particular sample, For example, a customer may need to determine If their waste is hazardous but not know this requires tests
for reactivity, corrosivity. ignitabillty and to)(icity analysis using TCLP methodology or the various analyses making up these lesting procedures. However, with our experience and Knowledge
of environmental regulations. we are usually successful in helping customers make Ihese type of determinations. This Is part 01the standard seNic!) we offer. 
FEB-19-2001 15:29 FNI DALLAS P.1S Effective Date: May 30, 1996 Subject Method: £AMI Approved By QAM: (J;LC sample Log-/n Page: 20f18 Approved By LM: Revision: 6+96 Almost all environmental
chemistry parameters are very lime sensitive (must be analyzed within a specified holding time or period from the time Of sample collection). As well. they require certain preservation
techniques unique to Ihe sample matrix (water, SOil. sludge, biological tissue ele.) being tested to stabilize the paramelar(s) of interest and to keep them from degrading. It Is critical
that samples be preserved In Ihe appropriate manner and they be analyzed wilhin the appropriate holding period specified by the EPA or regulatory agency requiring the analysiS. Results
of analyses from samples not preserved in the appropriate manner andlor not analyzed within stated holding times are not acceptable to satisfy regulatory requirements. A good practice
In an environmental chemistlY laboratolY. and one required by EPA, is "blind sample analysis." Blind sample analysis is the assigning of a unique identification number to a sample and
oross-referencing this number to the customer. In this way. Ihe sample is tracked throughout the laboratory and analyzed without analysts knowing who the customer is or what sample location
il came from. In this way. biases in the analyses associated with this knowledge are averted. Log·in is comprised of the following tasks: Officially accepting the sample for the laboratolY
by signing the chain-ot-custOdy, initiating a Fieid Data Form and documenting the date and time this was done, as appropriate, on each or the forms. Also, at the time 01 sample receipt,
part of the login process is determining the customers tumaround time expectations and desires and ensuring these can be accomplished for the submitted samples. it the customer is new
to fRMI. determining a method of payment tor the first sample submission and providing a credit application to them if they will be repeat customers is also considered a part of the
the log-in process. Determining the parameters of analysis, analysis methods and detection limits required tor each sample based on the specific environmental regulationIs) being addressed.
Determining and documenting on the Sample Preservation Form whether each sample has been correctly preserved for the type of analyses requested and Ihe matrix of the sample and arrived
In the proper sampling container. Assigning a unique laboratory 5ample identification number to each sample and cross referencing this number to the customer, sample location, date and
time 01 sample collection. etc. 
FEB-19-2001 15:30 FNI DALLAS P.15 EffectIVe Date: May30, 1996 SubJect Method; ElMI Approved By GAM: Prte Sample Log-In Page: 30f18 Approved By LM: Revision: 6+96 Preparing laboratory
work orders to advise the laboratory of the analyses required on each sample and to provide a vehicle tor Ihe laboralolY 10 transmit the analysis (esults to the Customer Service area
for report preparation. Delivering the sample and work orders to the laboratolY. 2.0 INTERFERENCES Interierences are not a consideration during log-in since no specifiC chemical analyses
are performed during this process. Greal care must be taken at this time, however, to ensure that samples are not contaminated or cross contaminated with each other by introducing utenslls
or media into the sample when preservation levels are checked. You musl be assured thai anything (pH paper) introduced into the sample container is analytically clean or contamination
may occur. If you have any doubt whatsoever, clean the item appropriately before introducing II. II. The quantities of the parametel'l> analyzed for in the laboratory are extr&mely small
and any contamination of the sample with other sample materials such as soil. sludge. sample water, industrial chemicals, etc. could alter the analysis results. The following should
be avoided due to potential contamination: Nail polish remover near samples. Do nol spray cleaning agents or disinfectants in the area of open samples. Do nol physically touch samples
(I.e. Na analysis). 3.0 APPARATUS Apparatus required for sample log-in includes computer, protective gloves, safely glasses, laboratory coat, pH paper, Sharpie mari<ers. sample labels,
color coded labels, ink pens, sample cart and the various fonns and logs used to document information as described more fulJy in the following sections. 4.0 REAGENTS No reagents are
used In the log-in process. If a sample Is not preserved upon receipt, it should be properly preserved by log-in personnel, Field Services or by pel$onnel 'rom the laboratory where the
sample or sample aliquot will be analyzed. 
FEB-19-2001 15:30 FNI DALLAS P.1? Effective Dale: Msy301996 Subject Sample Log"'n Method: ERt'IIJ AppTOved tfJI.f!By QAM: Page: 40118 Approved By LM: Rell/s/on: U-96 5.0 PROCEDURE 5.1
Sample Receiving Samples are delivered to the laboratory in a number 01 different ways, Some of these are: customer walk-ins, ovemight servlcss such as Airborne, Federal Express and
Lone Star, Greyhound bus, U.S, Postal Service, United Parcel Service and Roadway Package Service, trucking companies, air percel or freight and ERMI personnel. Samples delivered by ERMI
personnel include those picked up at the Greyhound bus station and airports, from customer locations and those collected by Field Services employees themselves, All samples must be kept
in the container (cooler, box, etc.) they were delivered in until it is time to check the sample containers and preservation levels. Dc not attempt to log-ln more than one submiaion
ofsamples af a time. This will ensure customer samples are nol mixed up during the log-in process. When multiple submissions are received from separate customers, it is necessary to
prioritize the log-in of the samples based on hOlding times, tumaround time requesled and condition of samples upon arrival. Oeficiencies must be noted on the Sample PreseNsUon Documentation
sheet for inclusion on the customer report (I.e. received out of holding time or not enough sample). Samples are received into the laboratory by algnlng the chain-of-custody for Ihe
submission, completing the Field Receiving Information on a Field Data Form (Appendix A) and documenting Ihe dale and time this was done at Ihe appropriate locations on the two (2) forms,
If no chain-ol-custody was provided with the submission, initiate one using ERM.'s Chaln-ol-Custody form (Appendix A). Nole that for samples brought to the laboratory by ERMI personnel,
the Field RecQiving Information provides for documentalion ot transfer 01 the samples from Field Services personnel or olher ERMI personnel 10 the laboratory. As well as documenting
the transfer of samples, the Field Data Form serves as a point of attachment for all laboratory information generated lor the submission keeping It in one location for report preparation
and later, filing in the customer's project lolder. Review the chain-of-custody to ensure all information is legible and complete. A telephone number must be provided for a contact to
answer questions about Ihe samples should they develop, an address to send the completed report and invoice to, a fax number if the report and inVOice are to be faxed, a purchase order
number for billing purposes, descriptive information on the project and samples the customer 
FEB-19-2001 15:30 FNI DALLAS P.1S I Effective Dale: Mav3D.1996 Subject Method: f'JIMI Approved Bv QAM: PICsampl. Log-ln Page: 50'1. Approlllild By LAI: Relffs/on: 6+96 would like included
on the Unal report, the name of the person who collected the samples, the date and time the samples were collected. notation as to what the customer's expected and desired tumaround
time (TAl) are and the parameters of analysis. All of this Information I. HIIMtlel lind must be documented upon receipt of the samples. "this Information Is not on the chain-ofo(;:ustody
or in the customer's project lile, it must be gleaned from the individual delivering the samples or from the provided or known customer conlact. All cu.tomer contacts must be d(!lcumented
on B Communication. Form (Appllndllt A). a copy 01 this form placed In the customer lile and eoples routed to all Individuals with a need to know. Copies must be delivered promptly so
any necessary actions can be rapidly laken. Know and be sure (!If the customers' TAT expectation, be sure we can meet them and contact the customer tot Instructions jf we cannot! II
the customer is new to ERMI, method 01 payment for the first submission of samples must be determined. New customers and/or customers' with questionable credit ratings may pay for the
services provided in advance when they submit the samples, upon receipt of the final report or according to fRMl's payment terms upon credit approval. The time to complete the credit
approval process after receiving the completed application depends upon how quickly the listed credit references respond to standard information inquiries. Also, jf the customer is new
to fRMJ, document how they found out about us, which laboratory they were using previously and why they changed on a communications form and route it to the President and the Business
Development Manager. "they were referred by an existing customer, we will want to contact that customer and thank them. If they were drawn to fRMI though our Business Development efforts,
we would like to know by which method to enable us to evaluate our marketing and sales techniques. 5.2 Parameters of Analysis ERMl's and most customers' chain-olo(;:ustody forms provide
space for recording what parameters are to be analyzed from each sample submitted. It Is incumbent upon Ull to ensure that we understand what parametens the customer wan" to analyze
from each sample, what detection limits are required and, if necessary, determine which methods of analysis are appropriate to meet these needs. Often, customers have their own acronyms
or jargon for certain analyses which may be different from ours or those generally accepted. As welf. the customer may know they need to analyze the sample for a particular parameter
or suite of parameters but not know what method of analysis should be used or the detection limit(s) required to 
FEB-19-2001 15:30 FNI DALLAS P.19 ) ERective Date: May 30, 1996 Subject Method: ERMI Approved By QAM: 􀁰􀀻􀀯􀀮􀁾 Sampl. Log-In Page: 6ot18 Approved By LM: Revision: 6-6·96 satisfy the
regulation being addressed. It any of this information is unclear from the documentation provided with the samples or project, make no assumptions. contact eme of ERMI's technical personnel
andlor the customer for further guidance belore proceeding with the log-in processl Be absolutely .ure 01 what the custom", wants and document this on a Communlatlons Form if it was
nece••al)' tQ contact them! If verbal instructions regarding the sample are given, note them on the Chaln-ot-Custodv and Initial and date this Information and indicate who gave these
instructions. One of the more frequent determinations required during the log-in process is what method of analysis must be used to meet the customers needs. Most customers are not environmental
chemists and they depend upon us to make or help them make the right decision. The singl. flH:tor most influencing this decisiOn Is what regulation(s) the customer is addressing with
the analyses from the samples, RCAA or solid waste. Clean Waler Act. Safe Drinking Water Act and/or Clean Air Act regulations. Each regulation calls for analyses using methodologies
specific to that regulation. For example, metals in a waler sample are analyzed by method 200.7 to address Clean Water Act regulations and by method 6010 to address ACAA or solid waste
regulations. Within these categories. there ill often a choice of methods that can be applied depending upon the detection limit requirements necessary to satisfy the regulation. Lead
for example can be analyzed by melhod 200.7, ICP, yielding a detection limit of 0.01 mg/I to satisfy Clean Water Act requirements but must be analyzed by fumace using method 239.2 to
obtain a detection limit of 0.001 to satisfy Safe Drinking Water Act requirements. For purposes of the Clean Air Act, lead must be analyzed by flame AA using method 239.1 which has a
detection limit of 0.1 mg/!. As you can see, it is imperative to know the regulation being addressed to make the proper determination of which method(s) is appropriate lor the analysis.
Making this more difficult is tha tact that customers do nol always know what regulation is being addressed. They may only know they are Irying to determine if the waste is hazardolJs,
whether they are oul of compliance on lheir wastewater discharge or whether their water is safe to drink. This type 01 In!ormation is a definitive clue as 10 what regulation the customer
is addressing and, therefore. what methods of analysis and detection limit requirements must be met to satisfy their needs. Know/edge of the various environmental regulations. the regulatory
limits imposed by them and the sample analysis capabilities of the laboratory is very important. Information on the methods 01 analysiS and detection limits tor each parameter analyzed
by fRMI is presented In Appendix B. The information 1$ grouped by laboratory 01 analYSIS (Melal, Wet. GC and GC/MS) and regulation. 
FEB-19-2001 15:31 FNI DALLAS P.20 EffecUve Qate: MavatJ.1996 SUb/ect Method: ERMJ Approved Bv QAM: Pit! Sample Log.fn Page: 70118 Approved By LM: Rem/on: 6-8-96 If an unfamiliar organic
parameter is requesled there are various sources to obtain informalion from •• the on-line Chem-Crosser program, the Merck index and similar relerence books "located in the semivolalile
laborato!}', regulatoty publications in fRMI's library, etc. Do not guess what something IS, verify il. S.3 sample Containers and Preservation After determining what parameters are to
be analyzed from each sample. remove all samplelil from iii particular CI,lslgmers submission. Place the Ilamples on a work surface where only samples from the submission being logged-in
are present. Arrange the samples as ordered on the chain-or-custody and verify the label against the information on the chain-of-custody. A sample can be comprised of one or a number
of different containers with each containing a subsample or sample aliquot (a rElpresentatilie portion of sample). This is necessary because each parameter or group of parameters must
be placed into a container 01 the appropriate type, preserved in a specified manner, capped with a specific type 01 lid and analyzed within a specified holding period. Holding period
Is the time from sample collection until Initiation of Ihe analYSiS, completion of the analysis, or completion of a specific pan 01 the anaiysis as specified in the pertinent regulation.
Generally speaking. aU chemiCal parameters begin to degrade or change form from the time they are collected. Some parameters can be stabilized for a period of time using various chemical
agents and/or cooling but this only retards the degradation or change. 11 does not stop il. There is slitl a linite period during which time the analyses are c:onsidered acceptable.
It gOes wilhout saying then, the sooner a sample Is analyZed the better. II samples are not analyzed within the appropriate holding period, the results of these analyses are not acceplable
for satiSfying regulatory requirements. Knowing the parameters to be analyzed, check each sample or sample aliquot to ensure ihey are in the correct type of container and are preserved
in the manner specified by the regulation. Document your findings for each sample on a Sample Preservation Documentation form (Appendix A). InJonnation on the correct sample container
and lids, preservatives and holding times are presented in Appendix C. Almost all parameters require cooling the sample to 4'C as one or part of the appropriate method of preservation.
A few exceptions to this are samples for analySiS of metals, chloride, hardness and fluoride or solid waste samples for all analyses where the physical or chemical charaCter of the sample
is changed upon cooling. 1\ is nol necessary 10 cool these parameters and types of samples. " the sample was received on ice, make this notation on the Sample Preservation 
FEB-19-2001 15:31 FNI DALLAS P.21 Effective Dste: May 30. 1996 SubJeet Method: EMI Approved Sy OAM: Pt-t Sample Log-ln Psg.! SoftS Approved By LM: Flevislon: 6-6-96 Documentation rorm.
It is assumed the sample(s) was appropriately cooled If it arrived at the laboratory on Ice. This is because some samples collected a short distance from the laboratory may not be chilled
to 4"C upon arrival at the laboratory but they were placed on ice immediately after oollectlon and cooled such thai this criteria probablv would have been met If left long enough. If
a sample is not cooled upon arrival and it should have been, make a notation at the bottom 01 the Sample Preservation Form to this effect. Check the pH 0' each sample or sample aliquot
(eXclusive of VOA vials. samples known or suspected to require special handling, samples for solid waste or air analysis, soil and sludge, or samples customers have requested not be
opened until lime of analysis) using pH indicator slrips 10 assess whether the pH level is indicative of a correctly preserved sample or a sample that should not have been preserved
(BOD, TSS, Chloride, etc.). It is Important to remove the lid from only one sample container at a time to ensure the lids arB not mixed up and put on the wrong container. This could
cross conlaminate the sample(S) and Invalidate or result in erroneous results. Document Ihese lindings in the pH column on the Sample Preservation Documentation form for each parameter
or parameter group. It is not necessary to determine the exact pH. onlv whether the sample was below or above the necessary pH. Record the sample number(s) (Section 5.4) on the form
and check il thoroughly for completeness. Immediately sign the form and record the current date and time. 5.4 sample Identification Number A unique sample Identification number is assigned
to each sample. This sample number is a consecutive number maintained in the sample log (Appendix A). Each sample is treated Individually 10 prevent labeling the wrong sample with Ihe
idenllfylng number. Select the first sample on the submission chain-af-custody. Select the neld unused consecutive number from the Sample Log and assign the number to this sample. This
is done by recording tne customer name, project number. date received. sample description and due date for the sample in 1he Log on the line or row oorresponding to the sample number
and by writing the number beside Ihe description for the sample on the submission chain-of-custody. Also included on each line in the Log is a break oul of paramelers by laboratory and
a notation of how the sample arrived a1lhe laboratory. 
FEB-19-2001 15:31 FNI DALLAS P.22 Effective Date: Mav30,1S96 Subject Sampl' Log-In MelhGd: £AMI Afi.pip roved (Ji C!. QAAf: Page; Sof18 Approved By LAf: Revis/an: 6-6-96 Labellhe sample
container with the sample identification number. Write the number in the appropriate place on the existing container label or, in the absence of a label, write the number on an fRMJ
container label designed specifically for this purpose and affix it to the side of the sample container(s), 8" very f:IIIl'8lul no! to deface any informatfon on the customer label during
this process. The sample number should also be written on the lid of each container USing a Sharpie marker or a plain white label. Containers are often cold and wet making them diffICult
to write on or label. Wiping the container with a paper towel just prior to labeling often helps. If Ihe container has moisture on the outside when you are trying to write on it, the
Sharpie marl<er will absorb moisture and not write or will write improperly. Touch the end of Ihe Ihe marker to a dry paper towel several times making ink blots on Ihe lowel. This will
relum Ihe flow of ink and the pen should work properly again. Make sure the sample IdentlfiClltion number ;s clearly legible and labels are tightly affixed. This is the only means of
identifying the sample after log-in. There are three (3) special cases Ihat affect how a sample is labeled. These are when a sample has a RUSH TAT, when a sample has a short holding
time (48 hours or less), and/or when a sample is 10 be analyzed for what we refer to as "low level" parameters. Sample analyses requiring RUSH tumaround times and those that have short
holding times are labaled with a fluorescent red or red/orange label so they are easily identified as samples with quick TATs. Samples requiring low level analyses are labeled with a
Iluorescent yellow label for this same purpose. A sample can have three different labels: a customer label, a red RUSH or short hOlding time label and a yellow label for low level analysis.
If a sample has a special hazard associated with it, conlact the Safety Officer for proper handling and special log-in procedures. Atter completing one sample proceed 10 Ihe next following
the same procedures until all samples in the submission have been logged-in. In the case where limited sample volume is encountered and the sample must be subsampled for various parameters
or laboratones, contact the inorganic or organiC team leader or the OA Manager for assistance. In the case where an unpreserved sample is received and the sample must be analyzed for
parameters that must be preserved in different ways. contact the applicable inorganic or organic team leader or the OA Manager. 5.5 Work Order Preparation 
FEB-19-2B01 15:31 FNI DALLAS P.23 Effective Date: May 30, 1996 Subjsct Method: £Hi'll Approvsd By QAM: Pit: Sample Log-In Page: 10(Jf 18 Approved By LM: Revision: f"N16 An Analytical
SelVices Work Order is a fonn comprised of one or more pages of descriptive information to tell the analysts what parameters are to be analyzed from each sample. One work order is prepared
for each Individual sample for each laboratory (Metals, Wet, GC and GC/MS laboratories) that will participate in performing Ihe analyses required. Customer and location specific work
orders are already prepared for current customers and for all the typical analyses perfonned. Only work orders signed by the President should be used. Custom work orders are used for
new customers requiring special combinations of analyses or current customers requiring other than their or our standard analyse6. Appendix A contains an example of the Analytical Services
Work Order form. Work orders are completed by recording tha sample idenlification number and due date or to be completed by date for the sample at the top of the fonn. The standard TAT
for most parameters is four (4) working days. exceptions to this are samples for BOD, TelPs, seven (7) day leachate and eTEXlTPH analyses. The TAT for BODs and TClPs is five (5) working
days, for Ihe seven (7) day leachate test about 1210 15 working days (Check with the inorganic supervisor to determine a reasonable due date upon receipt of these samples) and for BTEXITPH
4S hours. All samples except areXlTPH and RUSH samples are counted as being reoeived the next day if they are received after 2:00 PM in the aftemoon by ERMI personnel. If the samples
arrive after 2 :00 PM at Ihe laboratory but were received earlier in Ihe day by Field Services or other ERMI personnel, the TAT begins from the earlier time. Under parameter, list the
parameters of analysis to be analyzed from the sample in the order in which they will appear on the report, This order is the same order the parameters are presented in the publication
"Methods for Chemical AnalysIs of Water and Wastes· EPA-500/4-79-020, reviled 19B3 with the exception of physical characters which are always listed last. A copy of the table of conlents
of this document is presented in Appendix 0 for referral, Lislthe desired method of analysis and detection limits in the corresponding location on Ihe form for each parameter. Fill in
Ihe box at Ihe bottom of the form corresponding to the laboratory where the work order will be delivered_ Note the olher laboratories where analyses will be performed on the same sample
by placing an X In the box beside the laboratory name. Indicate the matrix of the sample by circling one or more of the classifications under sample description or write in the matrix
after 'other" if none of the li:;ted matrices are :suitable. Any information on hazards associated with handling the sample should be noted under comments and made very obvious with
a brightly colored highlighler. 
FEB-19-2001 15:31 FNI DALLAS P.24 Effective Date: MII'I30. 1996 Subject MethOd: ERNI Approved By QAM: PiC Sample Log-ln Page: 11 offB APPfOllfld By LM: Revlsfon: 􀁾􀀹􀀶􀀠 Any specIal
instructions lor processing the sample should be documented in the "Special Instruction" localion on the 'orm. On the work order Mte whether the sample was reC£lived out of holding time
in the comments section. Also nOIe the NLT (no later than time) for parameters with short holding times -turbidity, BOD, nitrate, coliforms, etc. After completing the work order, carefully
check it over 10 be sure all Instructions and documentation are complete and legible. Note: 11Ie work order Is tile vehicle used by the IBboratorles to report the result, of their analyses
and other Information to Custome, Service for report preparation. Certain circumstances and parameters dictate some modification or exceptions to the above procedures. When samples with
RUSH TATs are 10 be analyzed, a bright orange work order Is used. If the work order is multi-page, it is only necessary that the top page of the work order be prepared on orange paper.
The remaining pages can be the normal white paper. Again, Ihe purpose of the colored work order is to alett individuals in the laboratories that these analyses are FlUSH and must be
processed quickly, When samples tor pH, BOD, nitrate, hexavalent chromium and others with short holding times, or TPH are logged in, a lipilciallabei Is affixed to the work order to
provide a place for the analyst(s) to sign for the sample in recognition the sample was brought into the laboratory and delivered to him or her. Because semivolatile organics, pesticides
and herbicides are prepared in one location and analyzed in another, a copy of the first page 01 all of these work orders is made. The original goes to the preparation laboratory and
the copy to the instrument laboratory. After the sample is prepped, the original work order and the sample are transferred by laboratory personnel to the instrument laboratory and the
copy of the work order is replaced by the original and the copy discarded. Upon completion of the log-In process for a submission, the chain-ol-custody, the completed Sample Preservation
Documentation form and any information regarding the submission are stapled to the Field Data Form. Unless the individual completing the log In process has considerable experience, this
package must be reviewed for clarify and completeness by someone other than the individual logging in Ihe samples. 
FEB-19-2001 15:32 FNI DALLAS P.25 Effective Date: Mav30.1996 Subject Method: ERMJ Approwd By OAM: 􀁪􀁊􀀬􀁾 Sample Log-In Page: 120(18 Approved Bv LM: Revision: 6-6-96 Occasionally we
receive samples to be analyzed for parameters that we do not perform such as asbestos, radioactivity. etc. These parameters are Sl.Ibcontracted to a third pany laboratory. A file is
maintained in the Log-In area of the curreot laboratories we subcontract to. Check with the Customer Services Manager to verify which laboratory to use. When such a sample is received.
a Subcontracting Chain-ofcustody Is completed with all applicable infonnalion iocluding a request to fax dala 10 fRMI upon completion. The only exception in requesting the information
to be faxed is whOle effluent loxicity dala; Ihese reports are quite lengthy. Examples are in the file lor each subcontract laboratory. The COC Is relinquished to the Field Service technician
transporting the sample. If there is no information on the sample to idenlity our customer or gilfe unnecessary infonnalion to the third pany laboratory. the original container we received
the sample in may be sent to the sublab. Clearly put the ERMJ sample number on the container and on the lid of each sample to be transported. If it is necessary to subsample the sample.
contact the inorganic or organic team leader or the QA Manager for assistance. Unless the sample is dried paint, drywall, etc.• it must be refrigerated. Samples not needingrefrigeration may be placed on the Log-In counter along with the completed coe while awaiting transport. Place all sublaboratory samples needing refrigeration on the top left hand shelf
in the organiC prep laboratory. At the end of each day Field Data forms, along with all attachments. are filed numerically in the 'Samples In-House" file in the Customer Service area.
Also at the end 01 each day, a count is made of incoming samples (excluding a.c. samples) for the day and the number written on a post-It note and given to the President. 5.6 Wa,tewater
Work Orr:ters Most monthly wastewater samples are composite samples collected over a 24·hour period. Specific parameters such as volatiles. cyanide and oil and grease must be collected
as grab samples and are In-house before the composite portion of the sample. Field Service technicians collecting these samples will request sample identification numbers alter the sampler
Is set out jf it contains grab sample parameters. If there are no grab samples, the Field SetVioe Tecnniaians will request a sample identification number after the complete sample is
in-house. Occasionally, due to sampler malfunctions or other problems, a sample is not collected and the sampler must be reset. By waiting until the sample is in-house, voided sample
numbers can be avoided. 
FEB-19-2001 15:32 FNI DALLAS P.26 Effective Date: Ma)l'30. '996 Subject Sample Log-in Method: ERMI Approved Ptr_ By OAM: Page: 130'" Approved By LM: Revision: 6-6·96 When the work orders
containing grab samples are completed. they are placed in Ihe "Grabs Here -Composites There'lIIe In the log-In area. This means the grab portion of the sample will be in-house belore
the remainder of the sample. When the complete sample is in-house. the Field SelVlce leehnlclans wHi retrieve these work orders and place them into the appropriate laboratory work order
books or, for Ihe Wet lab, in the appropriate hanging files on their wall. At this time they complete the Field Data Sheet and relinquish it to log-In personnel. log-In personnel then
signs and puts the date and time on the Field Data Sheet. Check to make sure the Field SelVlce technicians have written the due date in yellow hiliter in the upper right hand corner
01 the Field Data Sheet. Also check to be sure a pH was collected and it is within regulatory limits limits --generally between 6 and 10.5 but varies from city to clly. If the pH is
not within these limits, a second pH must be collected. In the Sample Log Book, the samples are considered in-house the next working day following collection. Example: If a sampler Is
set out on MOnday to collect a composite sample but is not in-house until late Tuesday aftemoon, it would be considered in-house on Wednesday. This allows the laboratory personnel adequate
time to complete the requested analysis. The Field Data Sheets contain the information used to program the automated samplers. The Model 800 Sigmas have a feature that allows information
to be downloaded via a data device and printed out by the Field SelViee technicians. This Information is then allached to the Field Data Sheets and contains valuable quality conlrol
information such as missed samples, dala and time the samples were collected, etc. Discrepancies or any problems noted with sample collection $hould be reported to the Customer Services
Manager. 5.7 Sample Distribution After completing all work orders, the samples are transferred to a cart and the aliquofs distributed, as appropriate, to the various laboratories. Each
laboratory has it own storage refrigerator for samples. The shelves of each refrigerator are labeled with the parameters to be slored on them. The exceptions to this are the Metals Laboratory
and samples for BOD analysis. liquid samples for melal analysis do no! require refrigeration so they are stored on a shell for this purpose in the digestion or sample preparation area
within the Metals laboratory. Soil and sludge for metals analysis, however, do require refrigeration. These are maintained In the refrigerator In the volatile organic in&trument laboratory.
Upon delivery to the Wet Laboratory. BOD samples are placed on the work surface in the laboratory where the analySiS is 
FE8-19-20el 15:32 FNI DALLAS P.27 Effect;1/e Date: May 30, 1996 Subject Method: ERI'III Approved By QAM: P:l.L Sample Log';n Page; 140118 AppI'owd Sy LM: Revision: fi.6.96 performed
and the analyst signature to that effect obtained. BOD samples have a red labeled area in the refrigerator for after hour placement of samples. When delivering samples to the laboratot1es.
deliver those reqUiring volatile organic analyses to this laboratory first. Never take volaUle organic samples into the Organic Preparation or Wet laboratories. These laboratories use
methylene chloride, chtorofotm, acetone and other volatile chemicals for sample extraction and glassware decontamination which can easily infiltrate and contaminate samples even with
the lids tightly secured. These solvents are some of the parameters analyzed lor in Ihe volatile laboratory. Upon delivery of the samples to each laboratory, put the work orders for
each laboratory in their work order book. The exception to this procedure is the Wet Laboratory where work orders are placed in the appropriate section in the hanging files just inside
the Wet laboratory on the east side. WeI Laboratory personnel will place the work orders in their book. Arrange the work orders in tha books such thaI the largest sample identification
number is the first page 01 the book when opened. The exception to Ihls Is volatlie organics where new work orders are placed last in the work order book altha analyst request. 6.0 CALCULATIONS
No specific calculations are required for the sample log-in phase of sample processing. Remember, TATs are based on working days. not calendar days. 7.0 SOIL AND SLUDGE MODIFICAnONS
No modifications other than those listed above are required to log-in soils and sludges. No preservative other than cool to 4·0 is required for these sample matrices. Soils and sludges
for metals analysis are stored in the volatile refrigerator and should be put there first before delivering olher samples on the cart to other laboratories. aD QUALITY CONTROL All log-in
documenlation is checked for clarity and completeness and verified by a second individual knowledgeable and experienced in the log-in process. 9.0 SAFETY AND HYGIENE 
FEB-19-2001 15'32 FNI DALLAS P.28 Effective Dale: May 30, 19. Subject Method: DIM' Approved By QAM: fJi!.C Sample Log-itt Page: 150' 18 Approved Eiy-I..M: Revision: 6-6-96 Safety relates
10 both the safely of log·in and surroundll'lg personnel and 10 the safely of customers' samples while under the care 011he log-In personnel. Safety and proper hygiene must be foremost
in the minds of all sample log-in personnel when handling .\iamples or workll'lg in the log-in area, All samples have the potential to contall'l some sort of contaminant at high concentralions
or at levels deleterious to your health andlor physical well being. In addition, some samples are preserved and are Iherefore acidic or basic. II is our business to measure the concentrations
or characteristics 01 certain of these contaminants. Ar; well as the contaminants we normally think of, some samples may also contain bacteria, viruses or other disease causing agents
along with the chemical contaminants we may suspect. for these reasons, It fa Imptlrative log-in personnel wear the supplied proper personal protection eQuipment, be knowledgeable with
regard to the safe handling of samples, know how to handle the safety equipment in their area and use it properly and maintain good personal hygiene practices. Be careful with the pH
paper after checking the sample and dispose of it properly. Proper safety attire for log-in personnel is safety glasses, latex or vinyl gloves and a laboratory coat. These items mus'
be worn when in the log-in area. 8are or exposed skin should be minimized when working with samples. Cloth, tennis or open style shoes should be avoided. No eating or drinking is allowed
in the log-in area and hand to mouth. eye. face or bare skin should be avoided when working will1 samples or when samples are in the log-in area. When log-In is completed, Immediately
wash your hands and any bodily area that was splaShed or came Into contact with sample using the anUbaClerial soap prOVided in the rest rooms and at other locations throughout the laboratory.
Advise the Salety Officer of any rash or irritation or other adverse effect from coming into contact with a sample. Wash your laboratory coat frequently. at least once a week. The safety
of samples is a concem whenever they are handled. Always work with one sample at a time and make sura the lid is on tight and your hold is secure. Always work with samples over a work
surface and make a conscious effort to minimize the distance the sample is held above the surface to decrease the potential for breakage should the sample slip and fall. Store all samples
securely when they are transported on the laboratory cart and pay partiCUlar atlention when crossing the bumps caused by the union of carpet and tJle between the laboratory and offices.
In no circumstance Is a sample to be carried by hand to the laboratDries, they should always be in a crate or on the laboratory cart for secondary spill containment. 
FNI DALLAS P.29 FEB-19-2001 15:33 Effecllve Date: May 30, 1996 Subject Method: fRMI Approved By OAM: 􀁐􀁩􀁾 Sample Log-In Page: 160f18 Approved By LM: Relll.,on: H-96 1D.D WASTE; DISPOSAL
No wasle olher than used pH strips and normal office waste is generated during the login process. These can be discarded in the regular office trash receptacles and disposed of in the
dumpster. 11.0 CLEAN UP AND MAINTENANCE A clean, well organized work area is essentiaf for safety purposes and also projects a professional image to our customers, minimizes Ihe potential
for inadvertently contaminating samples, promotes smooth and efficient work since the area is free tram clutter and demonstrates the genuine concern log-in personnel have for the importance
of and factors affecting Iheir particular job. The work surfaces of the log-in area must be kept free or spilled sample(s). paper and other trash. The counters and the sample cart should
be wiped down periodically to remove or reduce the contamination on surfaces. The bottom tray of the cart should be kept orderly. Transfer bubble pack, netting, etc. to the Field Ofiice
area on a routine baSis. Sample boltle cabinets must be kept stocked with bonles and supplies of VOA vials. labels, chain-of-custody forms and labeled soli jars maintained to give to
customers when needed without them having to wait while they are retrieved from Ihe Field Office or warel10us e. All empty coolers must be returned to Ihe warehouse for cleaning and
shipment back to the customer, if applicable. As incoming coolers are emptied. those needing 10 be returned should have a note attached instructing Field Service pel'$onnel where the
cooler is to be returned and hOW many and what kind of bottles need to be returned. Each cooler belonging to EHMI musl be logged in the Shipping Log 11 II Is Incoming or if n is given
to a customer or leaves the premises for any reason. Each cooler is assigned a number and there is a page in the Log by number for each cooler. Copies of all forms and work orders should
be checked during periods when all samples are logged in and these supplies replenished to reduce disruption to the log-in process. Maintain a constant awareness of stocks of purchased
supplies used in the log-in 
FEB-19-2001 15:33 FNI DRLLRS P.30 Effective Date: May 30. 1996 Subject Method: fRMI Approved PrtC, By QAM: Sample Log-In Page: 17oft8 Approved By LM: Revision: 6-6-96 process such as
labels. orange colored paper,' Sharpie markers, pH paper, etc. Complete a purchase requisition for supplies needed from outside vendors well in advance of when they are required. Maintain
your compuler in good operating order. Make it a practice to run scandisk and defrag at least once Il week to keep your files compressed and speed maximi'!ed. TOTRL P.30 
FREese· NICHOI.S FNI DALLAS P • ell Marl<. . Ross· 1701 N. Market Street, Suite 􀀺􀀮􀀮􀁾􀁊􀀠LB 51, Dallas, Texas 75202 214/920-2500 • FAX 214/920-2.565 • www.freese.com Aviadon Dams
& Spillways Fire l'rotwion Floou 􀀢􀀧􀁉􀁾􀁮􀁡􀁧􀁥􀁭􀁥􀁮􀁴􀀠 􀁒􀁲􀁾􀁥􀁤􀁩􀀺􀁬􀁃􀁊􀁯􀁮􀀠 Streets & 􀁈􀁩􀁧􀁨􀁷􀁾􀁹􀁳􀀠 􀁓􀁬􀁲􀁵􀁣􀁲􀁵􀀬􀁾􀀠􀁢􀁧􀁪􀁮􀁥􀁾􀀺􀁩􀁮􀁧􀀠 t:rilit;es Solid W"r. 􀁐􀁡􀁣􀀺􀁬􀁩􀁩􀀱􀁾
􀁳􀀠 FAX TRANSMITTAL SHEET To: F:1X No.: From: Dace: TO(:11 number of pages. including transmittal sht!et: _"",3.L..5...J-_ Chilrge (ommerH$: 􀀭􀁓􀁾􀁉􀀧􀀠ies Worer Transmission Systems
Wilrer!W,uae'.vuter 􀁅􀁾􀁧􀁩􀁮􀁴􀁾􀁲􀁩􀁮􀁧􀀠 If 􀁉􀁨􀁾􀁲􀁥􀀠is 􀁾􀀠problem receiving any page" pl¢ase call 214.9202500. 
FEB-19-2001 15=46 FNI DALLRS P..-0. 2.' EffectIve Date: January 1 1994 Subject Method: 405.1 Approved BV QAM: 􀁾 5 DAY BIOCHEMICAL OXYGEN Paga 1 of 16 Approved 􀁾􀀠 By LM: .c; DEMAND
Revision: 6-22·95 Detection Limit: 2.0 mg/l Sampling : Composite Container : 1000ml 􀁾􀁬􀁡􀁳􀁴􀁬􀁣􀁬􀁇􀁬􀁡􀁳􀁳􀀠 Preservation: Cool 􀀴􀁾􀁃􀀠 Holding Time: 48 Hours from time of collection
1.0 GENERAL DISCUSSION EPA Methoa 405.1 is the reported method tor BOD determinations. However, Standard Methods details all the requirements and procedures for this parameter and the
following procedure is based on these criteria. Biochemical Oxygen Demand (BOD) is an empirical measurement of the oxygen requirements of municipal and induslrial wastewaters and sewage.
The test results are used to calculate the effect of waste discharges on the oxygen resources of the receiving waters. The BOO test is of limited value in measuring the actual oxygen
demand in the environment because temperature change, biological popUlation, water movement. sunlight. oxygen concentration and other environmental factors cannot be reproduced accurately
in a laboralolY. BOD Is performed by incubating a sealed sample for the standard five day period at 20'C in the dark, then determining the change in dissolved oxygen content. . 2.0 INTERFERENCES
Residual Chlorine can have e. to)(ic effect on the bacteria used In the BOO anai)'liis. To eliminate small amounts of residual chlorine, allow ths sample to stand for one to two hours
al: room temperature. Gold samples may be supersaturated with oxygen. If a DO reading of over 9.15 at 20'C or 8.78 at 22·C is obtained, remove excess oxygen by agilating the sample before
beginning. To reduce the effect of phenols, heavy metals or cyanide. and other potentially toxic agents, dilute the sample with nutrient water and use the most dilute result which has
valid ac values. 
FNJ DAlLAS P.a:3 FEB-19-2001 15:45 Effective Date: January 1. 1994 Subject Method: 405.1 Approved Bv QAM: 􀁾􀀠 5 DAY BIOCHEMICAL OXYGEN Page 20f16 Approved 􀁾􀀠 By lM: 􀁾􀀠-DEMAND Revision:
6·22-95 3.0 APPARATUS • 300mf BOD Bottie with Glass Stoppers • COO Reactor • Plastic Caps for BOD bottles • Magnetic Stirrer Plates and Bars • Pipets and Pipet Bulb • Incubators • VolumetriC
Flask, 1000ml • Orion Model 840 BOD Meter • Beaker, 1000ml • Air Pumps, 2 • Pipettor, 5ml • Graduated Cylinders, SOml,lOOml,SOOml 4.0 REAGENTS 4.1 BOD Standard (Glucose Glutamic Acid),
Hach 14865·10 4.2 BOD Nutrient Hach 6L 14862·98 3L·14861·98 See section 5.1.2. 4.3 Sodium Hydroxide (NaOH), 1N Oissolve 40 9 NaOH in 100Dml of deionized water. 4.4 Sulfuric Acid (H2S04).
1 N Add 48g (or 30ml) of concentrated H2S04 to 800ml of deionized water. Adjust the volume to 1000ml with deionized water. 4.5 Nitrification Inhibitor Hach 2533·35. 4.6 Polyseed See
section 5.1.3. 4.7 Distilled Water Tl'Iis is purchased foeaRy and is Ozarka brand. No Other brands are acceptable. 5.0 PROCEDURE 5.1 Preparation NOTE: FOA THIS PROCEDURE TO WORK PROPERLY,
THE SAMPLES. POLYSEED, AND NUTRIENT WATER MUST BE AT THE SAME TEMPEAATURE, 2Q..22"C % 2°C OR ROOM TEMPEAATURE AT THE TIME OF SAMPLE PREPAAATlON. 
P.\34 FEB-19-2001 15:47 FNI DAlLAS Effective Dale: JanUary 1, 1994 Subject Method: 405.1 Approved By GAM: 􀁾W 5 DAY BIOCHEMICAL OXYGEN Pllge 30116 Approved 􀁾􀀠 By LM: .DEMAND Revision:
6-22·95 5.1.1 InitIal Sample Preparation Remove the BOD samples to be analyzed from the sample storage refrigerator upon arriving at the laboratory in the momlng. Samples must be at
room temperature (approximately 20·C·22"C) prior to analysis. Group the samples by batches c;onlaining 10 samples each. 5.1.2 Nulrient Buffer Preparation Begin preparation at least three
(3) hours before samples are to be analyzed. 5.1.2.1 Use only Ozarka Distilled Water (9.46 Uters). This amount will fill 32 to 33 BOD bottles. 5.1.2.2 Cui a hole in top rear of the container.
5.1.2.3 Drain 560ml of distilled HzO from container. 5.1.2.4 Add one Sliter BOD Nutrient Buffer pillow (4.2) and one 3 liter Nutrient Buffer pillOW to the OZarka container. 5.1.2.5 Rinse
the emptied pillows with approximately 90ml of the 56Qml dlslilled 􀁈􀁾􀁏􀀠drained from container and pour the rinses into Ozarka container. 5.1.2.6 Save 460ml of the initial 560mls
and pOUl' the res! back into the container. This will adjust the 􀁯􀁲􀁩􀁧􀁩􀁮􀁡􀁉􀀹􀀮􀁾􀀠liters down to 9.00 liters. 􀁾􀀮􀀱􀀮􀀲􀀮􀀷􀀠 Add the large Teflon stirring bar (dedicated to
the BOD analysis) into the contaIner. Use part of the 4GOml distilled waler to rinse out the BOD bottles prior to use. 5., .2.8 Connect the air pump and bubbler and place bubbler into
the distilled water container through the hole which was cut in the container. 5.1.2.9 Bubble and slir the nutrienl solution for at least 2 hours. Remove the nutrient water from the
stirnng plate, remove the aerator, remove the ltirring bar and allow fl1ls solution 10 stand at least 15 minutes before using. 5.1.3 Polyseed Preparation 5.1.3.1 Withdraw 500ml of nutrient
water after it has aerated tor the two (2) hour preparation period. collecting it In a 500ml graduated cylinder. 
P.05 FEB-19-2001 15:47 FNI DALLAS Effective Date: Janua111,1994 Subject Method: 405.1 Approved By QAM: fI;t 5 DAY BIOCHEMICAL OXYGEN DEMAND Page Revision: 40'16 6·22-95 Approved By LM:
􀁾􀀠 5.1.3.2 Rinse the 1000ml beaker (dedicated to the BOD analysis) with laboratory 01 water and place the contents of one (1) Polyseed capsule into the beaker. 5.1.3.3 Rinse the capsule
with a portion of the SOOml nutrient water and pour the rinses into the beaker. Do not put the capsule covering into the beaker. 5.1.3.4 Pour the remaining SOOmls of nutrient water inlo
the beaker with the Po/yseed. ' 5.1.3.4 Add the stirring bar used for the BOD seed. sllr at a moderate speed. and aerate with the bubbler apparatus for a minimum of one (1) hour before
use. Allow the seed to stir during the entire sample preparation procedure. Do not allow seed to stand longer than 30 minutes or the bacteria could die from OJlygen depletion. 5.1.4
Sample Preparation 5.1.4.1 Flun a pH check on an aliquot of each sample and record the sample pH pH in the data book. 5.1.4.2 If necessary. adju5t an aliquot of the sample between pH
6.5 and 7.5. Record the final pH in the data book, Never adjust the pH of the entire sample eontalned In the sample bottle. 5.1.4.3 Use 1 N H2SO. (Section 4.4) if the pH Is >7.5. Use
t N NaOH (Section 4.3) if the pH is <a.5. 5.1.4.4 To determine the dilutions necessBr; for the samples to be analyzed, Ulie the following procedure • Perform a COO analysis (Method 410.4)
on each BOD sample. • Using a pre-p repared COD llial, pipet 2ml of homogenized sample into the vial. This homogenization must be done in a blender on any sample which contains particles
which liet1le rapidly or cannot be drawn readily Into a pipe!. • Cap the vial tightly and shake illligorously. Note: The vial Will become hot, so rake precautIons. 
FEB-19-2001 15=47 FNI DALLAS P.0G EHectlve Date: JaJluary 1. 1994 Subject Method: 405.1 Approved (fJ{ By QAM: 5 DAY BIOCHEMICAL OXYGEN Page 50.16 Approved By LM: 􀁾 DEMAND Revision:
6-22-95 • Digest the COD vial In the block digester 'or two (2) houl'$ at 1S0·C. Read the COD and estimate the BOD concentrallon by dividing the COD value by two (2). • Determine the
dif1.lUon for the BOO analysis, refer to Table 405."'. For dilutions needing less than 1ml of sample, the sample must first be serially diluted with nutrient water. For example, if Table
405.1-1 Indicates that a sample volume of 0.01ml Should be used, .he sample is first diluted 1ml to 100ml, then one ml of Ihis dilution is used for the test. • The total number 01 dilutions
required per sample is three to six, (For higher BOO values, at least one dilution will be too concentrated, at least t'/vo dilutions will be in the valid concentration range and at
least two values will be more dilute than needed to cover the range). If there is limited sample volume, the minimum number of dilutions run per sample Is 3, • Obtain BOD bottles and
arrange in numerical order and record the boWs number, sample number. dilution, and COD value on the data sheel in the 800 data book. 5.2 Calibrating the BOD probe 5.2.1 The probe is
stored in the BOD storage sleeve inside the BOD meter. The small sponge in the bottom of this sleeve must be kept moist with water, but all excess water must be poured out of this sleeve.
5.2.2 Begin 􀁾􀁡􀁬􀁩􀁢􀁴􀁡􀁬􀁩􀁮􀁧􀀠the BOD probe at least one hour before sample analysis. 5.2.3 Dry off probe membrane with the soft side of a paper towel before beginning calibralion.
Place the probe back into the storage sleeve. 5.2.4 Push the "Mode" button until the display is In the CAL position. 5.2.5 Push the Mode button once more. The meter win then calibrate
itself. This should take between 20sec. to one minute. 5.2.6 If an E1 message appears, push the Mode button once more. Repeat a third time it the E1 reappears. 6.2.7 Check tho probe
membrane or the probe tip if the meIer tails to calibrate the third lime. Sometimes moistening the membrane prior to calibration will help. 
P.0? FEB-19-2001 15:47 FNJ DALLAS Eftt!dlve Date: January 1.1994 Subject Method: 405.1 Approved Bv CAM: 􀁾 SDAY BIOCHEMICAL OXYGEN Page 6 of 16 ApproVed /,f'5. 􀁾􀁹􀀠 LM: DEMAND Revision;
&-22-95 . 5.3 Analytical Procedure 5.3.1 Initial Set Up 5.3.1.1 Rinse each BOD bottle with a portion of the 460ml of original distilled water removed Irom the 9.46 liter container. Record
all bottle nUmbers and sample numbers in the data book. 5.3.1.2 Record nutrient water, Polyseed and sample temperature in data book before analysis. The temperatures mUlSt be the same
.::I: 2·C. II not, dissolved oxygen equilibrium in the analysis components will not be achieved and the analysis will not pass the ac requirements. 5.3.2 Nutrient Blanks (4 Required)
5.3.2.1 Fill the first bottle wilh nutrient water, place the bottle on the magnetic stirrer and place the probe in the bottle. The stirrer on the probe holder will stir the nutrient
oller the membrane, thus measuring the initial dissolved oxygen content. Read the DO. and record the value in the data book. Discard this bottle after taking its DO reading. 5.3.2.2
The second bottle is treated the same as above. 5.3.2.3 The lhird and fourth bottles are tilled with nutrient water. stopped and capped. DON'T READ THE D.O. until alter Incubation is
complete. 5.3.2.4 Gently tap on the sides of all filled bottles to release any entrapped air bubbles before stoppering. 5.3.3 Seed Correction (3 Required) 5.3.:11 Add 10ml of Polyseed
to a BOD botiJe and fill it with nutrient water. 5.3.3.2 Add 15ml 011'0lyseed to second bottle and lill it with nutrient water .. 5.S.3.3 Add 2Qml of Polyseed 10 third bottle and fill
It with nutrient water .. 
FE8-19-2001 15:47 FNI DALLAS P.08 EHectlve Date: Subject Januarv 1. 1994 Method: 405.1 Approved f9It 5 DAY page 70t16 By QAM: BIOCHEMICAL OXYGEN Approved 􀁾􀀠 DEMAND By LM: Revi$ion;
6-22-95 5.3.3.4 Read the 000 in each bottle, record tho value in the data book. Gently tap on the sides of all filled bottles to release any entrapped air bubbles before stoppering.
Ensure that all stoppered boWes haVe a water seal before putting on the plastic caps. . 5.3.4 Standards (4 Required) 5.3.4.1 111e Hach BOD Slandara Solution is provided in a Voluette
Ampoule. Simply break the top of the ampoule off at the etched line on 1I'\e neck. The solution is now ready lor immediate use. Caution: Always "'Il'IIP 'he VO!UB,te wi'h a towel, rag
or other protective cover before attempting ttl break the top oft, to avoid cuttrng yourself. 5.3.4.2 With Class A volume!ri" pipets, deposit Ihe following volumes of Ihe Hach standard
into separate BOO bott/es: 1ml, 2m/, 3ml, 4ml. 5.3.4.3 Add 3ml of Polyseed solution to each bailie. 5.3.4.4 Fill bottles with nulrient water. Tap the sides of the bottle to displace
the air bubbles that may cling to the inside surface, then read and record the sample DO. immediately stopper each bottle and verily that a water seal is present before capping. 5.3.5
Samples 5.3.5.1 For samples needing dilution, fill the aOD bottles half full with nutrient water. 5.3.5.2 Adcl3ml of Polyseed solution to each bonle using an autopipetor 5.3.5.3 Using
volumetric glassware, add the pre-<ietermined amount of sample to be used into the appropriate bott/e. 5.3.5,4 Finish filling the bottle with nutrient water. S.3.S.6 Place the probe
in the 800 bottle ana allow it to come to equilibrium. Once the probe stabil;;zes, the reading displayed is ppm dissolved oxygen. Record this value in the BOD Data Book In the initial
000 column and then stopper the bottle. ge sure there are no air bubbles in the bottle. Add dilution water $0 that the reservoir around the stopper is filled, Cap the bottle. 
FEB-19-2001 15'47 FNI DALLAS P.09 Effective Date: January 1.1994 Subjeet Method: 405.1 Approved By QAM: 􀁾*' 5 DAY BIOCHEMICAL OXYGEN DEMAND Page eat 16 Approved By LM: .. /.../--,--r.,t.
( Revision: 6-22-95 5.3.5.6 Run a dupticale BOD on each batch by duplicating the entire series for a sample. 5.3.5.7 Place all capped bottlell in an incubator for live (5) days :t2 hours
at 􀀲􀀰􀁑􀁃􀁾􀀱􀂷􀁃􀀬􀀠 Record the lime the bottles were placed In the incubator. the shelf they were place on. and the number of the incubator in the data book, 5.3.6 Nitrification
Inhibition Samples tor Carbonaceous Biochemical Oxygen Demand (CBOD) Analysis This analysis is similar to the BOD analysis except that an extra step (Section 5,3.B.3) is required. 5.3.6.1
Fill the 800 bottles half full of nutrient water. 5.3.6.2 Add 3ml of Polyseed solution to each bottle. 5,3.6.3 USing the dispensor provided by Hach. add 0.6 9 01 Hach Nitrification Inhibitor
to each 600 bottle needIng a C800s analysis. This Includes nutrient blanks, seed corrections. standards. and samples. 5.3.S.4 USing volumetric glassware, add the pre-determined amount
of sample to be used into the appropriate bottle. 5.3.6.5 Finish filling the bottle with nutrient water. 5.3.S.6 Place the probe in Ihe BOO bottle and allow it to come to equilibrium.
Once the probe stabilizes, the reading displayed is ppm dissolved oxygen. Record this value in the BOO Data Book in the initial 000 column and then stopper the bo1tle. Be sure there
are no air bubbles in the bottle. Add dilution water so that the reservoir around the stopper is fined. Cap the bottle. 5.3.6.7 Run a duplicate BOO on each batch by duplicating the entire
series for a sample. 5.3.6.8 Place all capped boHles in an incubator for five (5) days :t:2 hours at 20°C:l:1·C. Record the time the bottles were placed in Ihe incubator, the shelf they
were place on, and the number of the incubator in the data book.. 5.4 Determining DO after Incubating S days 5.4.1 When the five day :1:2 hours incubation period IS complete. remove
all all bottles from the incubator and record the time the boUles were taken out. 
FNI DALLAS p.le FEB-19-2001 15:47 Effective Date: January 1, 1994 Subieet Method: 405.1 ApPlovad Qy QAM: (k SDAY BIOCHEMICAL OXYGEN Page 9 gf 15 APPIOved By llll1: ///. .. DEMAND Revision:
6-22·95 S.4.2 The DO probe should be calibrated at least one (1) hour before the sample BOD bot1JQS are removed from incubator, and the calibration chelOked Immediately prior 10 analysis
(see section 5.2). 5.4.3 Remove all caps from the bottles, but keep the bottles stoppered until the final 00 is to be read. 5.4.4 Calibrate the probe in the same manner as described
in Section 5.2. 5.4.5 Place the probe in a BOD bottle and allow it \0 come to equilibrium. Once the probe stabilizes, the reading displayed is ppm dissolved oxygen. Record this value
In the BOO Data Book in the 005 column. 5.4.6 Calculate. evaluate. arid record all BOD data as soon as the lasi sample has bean analyzed. Submit atl work orders to Customer Service.
Complete and distribute a Non·Conformance Report if any data doesn't meet the ac critaria. 6.0 CALCULATIONS 6.1 Seed Correction Calculation The DO uptake of seeded dilution water incubated
for five (5) days should be between 0.6 and 1.0 mg/L. It must not be 􀁾1.0 mglL; if il is, this is an indication of a contamination. Since there must be a DO uptake >2.0 (AOO>2) for
the analysis to be valid, larger volumes 01 seed must be used in the seed correction samples than in the standards and samples. The following steps correct for this difference: 6.1.1
The seed correction should be calculated as in the following example when 10 ml of Polyseed is used in the Seed Correction bottle and only 3ml aheed is used in the sample bonle:;: ml
of !!eed in !!ample Seed CorrelOtion ml of seed used in for 10ml Polyseed seed correction '" (8.73 -5.84) x 3mL .. 0.667 mglL 10ml 6.1.2 The seed correClion using 15ml of 􀁐􀁯􀁾􀁳􀁥􀁥􀁤􀀺􀀠
FEB-19-2001 15:48 FNI DALLAS P.ll Effective Dllte: JanuaryJ 1994 Subject Melhod: 405.1 Approved .t.; 'L By QAM: .-7[1 SDAV BIOCHEMICAL OXYGEN Page 10 of 16 Approved By LM: .($.DEMAND
RevIsion: 6-22·95 '" (8.76·4.81) x 3ml = 0.79 mg/L 15ml 6.1.3 The seed .:;orrection using 20m1of Polyseed: =(8.76 -3.81) x 3ml = 0.7425 mg/L 20ml 6.2.4 Average Seed Correction Factor
for 3ml of seed: Seed Correction =(0.867 + 0.79 + 0.7425) 13 =O.BOO mglL. 6.2 Standards 6.2.1 An acceptable BOD5 value ror the 300 mglL glucose and glutamic acid standard is 198 :!:
30.5 mgll or between 167.5 and 228.5mgIL. Note: Because the BOD standard prepared by Hach contains 300 mQIL each 0' glucose and glutamic acid, the BOO value determined must be divided
by two. 6.2.2 Calculate the BOD of the standards the same way as it is calculated for the samples. The average of all valid data points must lall within the allowable limits (198±30.5
mgll) for the balch to pass the OC requirements. 6.2.3 If the standard does not fall within these limits then all samples associated with this batch need to be re-sampled and re-analyzed.
Continue taking BOD readings on the samples in case a sample can not be resubmitted and the data must be submitted wilh a qualification. Follow ERMJ protocols on submitting a Non-Conlormance
Report to the Quality Assurance Officer and with the sample data. 6.3 Sample Concentration Determination Note: For a BOD dilution to be valid. the DOS must be >1.0 mgIL and the .;1 DO
or DO uptake between initial and tinal value mU$t btl >2.DmgIL. 
P.12 FEB-19-2001 15:48 FNI DALLAS Ellectlve Date: SubJect January 1, 1994 Method: 405.1 Approved 􀁾􀀠 5 DAY Page BIOCHEMICAL OXYGEN 11 or 16 􀁾􀀠QAM: 7'" Approved DEMAND B'I LM: Revision:
6-22·95 􀁹􀁾􀀠 6.3.1 Determine the t. DO by subtracting the Initial DO from the Final 00. Record in the t. 00 column of the data shf#et. 6.3.2 BOO Concentration BOO mg/L = .1 DO -Seed
Correction )( loll! Volume in BOO bottles (001) . . Sample Volume (mIl For example: The sample has three (3) dilutions! 2ml. Sml. 10ml. SampVgl 000 005 ADO SeedCgrr BOOS 2ml 8.77 6.74
2.03 0.85 177 Sml 8.73 5.39 3.34 0.85 149 10ml B.68 2.51 6.11 0.B5 HiS 6.3.3 Report all BOD values using two significant ligures. If more than one sample dilution meets the criteria
of a residual DO of at least 1 mgJl and a DO depletion of at least 2 mgIL and there is no evidence of toxicity (BOD value drops dramatically with increasing concentration) or the existence
of an obvioUS anomaly (one value significantly out of lina with the rest of the data), average the results of all acceptable BOO values. (177 + 149 + 158) + 3 '" 161 mgJI.. BOD. &.4
Detection LImit Calculation Del Umil =: (2mg/L -Seed Correction) x Toral Vglume in Bottle (30OmO Largest Valid Volume or Sample 
FNI DALLRS P.13 FEB-19-2001 15:48 Effectlw Date: .lanuarv 1.1994 Subject SDAY BIOCHEMICAL OXYGEN DEMAND Method: Page Revision: 405.1 12 of 16 6-22-95 Approved (:;('1 By QAM: -711 Approved
g-L_ Bv LM: For example: Seed Correction = O.B5mg/L Highest Valid Volume of sample = 50ml Detection Limit = (2mglL -O.85mg/l) x 300ml/50ml '" 1.1SmVl)( 6 = a.9Omg/L 7.0 SOIL AND SLUDGE
MODIFICAnONS ThiS method is not appropriate fOf soils or sludges. 8.0 QUAliTY CONTROL .8.1 Definitions 8.1.1 Batch A batch of samples 01 like matrix made up of f,om one (1) to ten (10)
samples plus al least one duplicate sample along with 1he appropriate ac (Sections 8.1.2. 8.1.3, and 8.1.4). Separate batches must be run for BOO Samples requiring Nitrificalion Inhibition
(CaODS). 8.1.2 Nutrient Blank Four BOD bottles filled with a volume of nutrient water treated in the same manner as the samples. but DO NOT contain seed. Two of the bottles are read
10r the initial DO. The other two are capped and read at the end of five (5) days of incubation. B.1.3 Seed Correction A volume of nutrient water containing 10ml. 15ml, 20m! of seed.
The seed is incubated with the samples for five (5) days. The calculated seed correction musl fall within 0.610 1.0 mglL. 8.1.4 Standards A series of known standard solutions used by
the analyst to determine the accuracy of the BOD analysis. TIlis series consists of a volume of nutrient water. standard solution and seed treated in the same manner as the samples.
The standard must be 198 ± 30.5 mgll (Standard Methods). 8.1.5 Duplicate Sample AI least one sample chosen At random within each batch of samples is run in duplicate. Each duplicate
must have Identical dilutions. Duplicate samples are used to document the precision of the method. TIle Standard Deviation and CQeHicienl of Variation are calculated tram the duplicate
values. 
FNI DALLAS P.14 FEB-19-2001 15'48 Effective Date: .Januarv 1 1994 Approved 􀁾􀁌􀀱􀀠 By OAM: 7l/f Approved /...r,< 􀁂􀁾􀀠 LM: Subject 5 DAY BIOCHEMICAL OXYGEN DEMAND Method: 405.' Page
130f16 Revision: 6·22-95 8.2 Quality Control Limits 11.2.1 Minimum Depletion: A dilution must have at least a 2mgll drop in the DO (&00) for \he analysis to be valid. 8.2.2 Maximum Depletion:
A dilution must not reduce the oxygen eontent below 1mg/l for the analysis to be valid. 8.2.3 The duplicate values must have a CV of IGSS than '10%. 8.2.4 The percent recoveJ)' on the
standard must be within the limits of 198 ± 30.5 mg/L 8.2.5 Nutrient Blanks are run to check the quality af the dilution waler. The DO uptake in a sample incubated for five (5) days
at 20±1·C should not be moce than .0.2 mgll.. and preferably not more than 0.1 mg/L. 8.3 Quality Control Calculations The following calculations are used to illustrate the BOD quality
control calculations. A summary of the data used is given below! Sample 3.87 Duplicate 3.99 8.3.1 Mean (x) is the arithmetic sum of alilhe duplicato values in a batch diVided by the
total number of duplicate samples. x = (x, 􀀫􀁾􀀱􀀲􀀠 x = (3.87 + 3.99)'2 X = 3.93 mg/L 8.3.2 Standard Deviation (SO) represenb the dispersion of the 1iamples around the mean. It is
estimated by making a number of replicate measuremenls of a given sample. This value may be calculated using a calculator and following the manufacturer's instructions, or by using the
simplified formula below if only two data points are collected. 
P.15 FEB-19-2e01 15'48 FNI DALLAS EHecUve Dale: January 1.1994 Subject Method: 405.1 Approved 4.,,, By QAM: 7('1 5 DAY BIOCHEMICAL OXYGEN Page 14 of 16 Approved 􀁾􀁾􀀮􀀠 􀁾􀀠LM: DEMAND
RevisIon: 6-22-95 so '" I 􀁾􀂷􀁸􀀬􀀠1/1.4142 SO = (3.99-3.87) /1.4142 SO =0.08485 8.3.4 Coefficient of Variation (CV) cv =Standard Devjation (SD) )( 100 Mean (xl cv = 0.09485 x 100 3.93
cv '" 2.1% 9.0 SAFETY AND HVGIENE 9.1 Use Safety glasses and gloves, and a lab coat. 9.2 Read the MSDS sheets for funher safety informatlon. An MSDS sheet is attached for the Po!yseed.
Do not breath the dust from the capsule. 9.3 The contents 01 the nutrient pillows and standard are harmless. 9.4 Use care in opening the standard vials. Wrap the tOP or !I1e ampoule
in a paper towel and lhen snap it open; this should prevent cuts. 10.0 WASTE DISPOSAL • After neutraliza1ion. dispose of all BOD wastes in the sanitary sewer system. 
FNI DALLAS P.16 FEB-19-2001 15:49 Janua 1 1994 Approved B QAM: Effective Date: Subject 􀁍􀁥􀁴􀁨􀁯􀁤􀁾􀀠 405.1 5 DAY BIOCHEMICAL OXYGEN Page 1S of 16 DEMAND Revision: 6-22-95 11.0 Clean
Up and Maintenance 11.1 BOO bottles must be emptied out and relilled with hot, soapy (Aleonox) water immedia.tely after analysis. Allow the boW.. to soak for a.t least 24 hours. After
soaking, shake out the soapy water and wash in dishwasher. Run the bottles through three to five C)'cls!. Rinse thoroughly with deionized water. Put the bottles in the drying oven and
allow to dry completely. 11.2 DO not deviate from this cleaning regime. These boftles will become easily contaminated If they are nQt cleaned properly. 11.3 Caps and stoppers are washed
in hot, soapy water. Stoppers are dried in the oven. Store caps and stoppers In the drawers. 11.4 Once a week. add a small amount of 01 water to the BOO probe sleeve on the Orion meIer
housing, then pour out any watar not absorbed by the sponge. 
FEB-19-2001 15'48 FHI DALLAS P.17 Effective Date: Januarv 1. 1994 Subject M, ethod: 405.1 Approved BY' CAM: 􀁾􀁾􀀠 5 DAY BIOCHEMICAL OXYGEN Page 16 of 16 ApproVed Bv LM: 51f{DEMAND Revision:
6·22-95 Table 405.1-1 BOD Dilutions COD Theoretical Theoretical Value BOD Value Sample Volumes <20 20·50 50·100 100-200 200·400 400-800 800-1600 1600-3000 3000-6000 BOOO-12000 12000-24000
2400Q-48000 48000-96000 .:10 10-25 25·50 50-100 100·200 200-400 400-900 800-1600 1500-3000 3000-6000 6000-12000 12000-24000 24000-48000 300ml,150ml 100ml, SOml, 25ml 50ml,.25m!, 10m!
25ml, 10ml, Sml 10ml, Sml, 2m1 10ml, Sml.2ml, lml 4ml, 2ml, lml, 0.5ml 2ml, lml, O.Sml, 0.3ml, 0.2 lml, O.Sml, 0.3ml, 0.2ml. 0.1 ml 1ml. O.5ml, 0.3ml, O.2ml. O.lml, 0.05ml 0.4ml. O.2ml.
0.1ml, O.OSml, O.Oaml, 0.02ml 0.2ml,O.1 ml,O.05ml,O.03ml,O.02ml,O.01 ml 0.1 ml.0.OSml,O.03ml,O.02ml,O.01 ml,O.005ml This table is designed so that, for highef BOD values, at least one
dilution will be too concentrated, at least two dilutions will be in the valid concentration range and at least two values will be more dilute than needed to Cover the range. 
FEB-19-2001 15'49 FNI DALLAS P.1S Effective Date: Subject Method; "anua EPA 160.2 Approved TOTAL SUSPENDED Page B QAM: SOLIDS 1 ota Approved or Revision: 8-14-95 B LM: Non-Filterable
Residue Detection Umit: 1.0 mgll on SOOml Samples. Sampling : Composite See Section 6.2 Container : 500ml Plastic/Glass Preservation : Coo14'C Holding Time :7 Days 1.0 GENERAL DISCUSSION
Thill method is based on EPA Method 160.2 and iii! applicable to total suspended lolidl in drinking. surface. and saline waters. domestic and industrial wastes. The procedure involves
tal<ing a well-mixed sample and IlItering it through a dried, pre·weighed, standard glass fibljr filter and the residue retained on the filter is dried to a constant weighl. The Increase
In weight of the filter represents the total suspended solids (TSS). Samples must be collected in clean plastic or glass bottles. They must be analyzed as soon as possible after eollectlon,
but can be stored up to seven days when cooled to 4'C, 2.0 INTERFERENCES The filtration apparatus, filter material. pre-washing, post-washing and drying temperature are specified because
these variables have been shown to affect Ihe results. Samples high in Filterable Residue (dissolved solids). such as saline waters, brines and some wastes, may be subject to positive
Interference. For samples high in dissolved SOlids, thoroughly wash the filter to ensure removal of the dissolved malerial. Excessive residue on the filter may form a waler entrapping
crust, so limit the sample size to that yielding no more than 200mg of residue. Non-representative particulates such as leaves, sticks, fish and rocks may be removed before analysis.

FEB-19-2001 15:49 FNI DALLAS P.19 Effective Date: January 1, 1994 Subject Method: EPA 160.2 Approved By OAM: 􀁾 1/TOTAL SUSPENDED SOUDS or Non-Filterable Residue Page 2of8 Approved ifJ'/By
lM: Revision: 8-14-95 3.0 APPARATUS « Aluminum weighing boals • Tweezers • 47 mm Glass fiber lilter d'isc (Whatman 934-AH) • Graduated cylinder, 100ml « Volumetric flask. 1000ml • Analytical
balance • Desiccator • Filter holder, 47mm • Drying oven • Suction flask, or filtering apparatus 4.0 REAGENTS 4.1 Deionized Water Obtain 01 water fram our In-house system which is checked
daily to insure the water quality. 4.2 Standard Weigh out between 200-400mg of cellulose (Sigmacell) on the ana/ytical balance and add it to SOOml of 01 water in a 1 Uter volumetric
flask. Stir with a magnetio stirrer for about one-half hour or until no clumps of oellulose are present. then dilute to 1aOOml. 5.0 PROCEDURE 5.1 Preparation Of Alier Disc 5.1.1 Place
a 47 mm filter disc in a filter holder with the wrinkled surface of the IiIter upward. 5.1.2 Plaoa the filter hOlder assembly in 8 filtering flask and apply vacuum. 5.1.3 Wash the disc
with three successive 20ml volumes ot deionized water. 5.1.4 Remove all traces 01 waler by continuing to apply vacuum after the water has passed through. 
FEB-19-2001 15:49 FNI DALLAS P.20 Enec11ve Date: Januarv 1. 1994 Subject Method: EPA 160..2 Approved By QAM: 􀁾 TOTAL SUSPENDED SOLIDS Page 30f8 Approvecl .1./By LM: IP/or Non-Filterable
Flesldue Revision: IH4-95 5.1.5 Remove the disc from the IiIter holder with tweezers and transfer it to a numbered aluminum weighing boat. 5.1.6 Place the boats in a drying oven at 103°C
lor one hour. 5.1.7 Remove the boats from the oven and place in a desiccator until cooled 10 room temperature. 5..2 Sample Volume 5..2.1 On clear samples. a minimum of 100ml of sample
should be filtered. If this yields less than 1mg of residue. a larger sample must be used. Up to SOOml may be filtered for clear or easily filtered samples. Excessive residue on the
filter may form a water entrapping crust. so limit Ihe sample size to that yielding no more than 200mg of residue. 5.2.2 It during filtration of this initial volume. the filtration stops.
or if the filtration time exceeds five minutes, a smaUer sample size is required. Start with a a fresh tllter paper and another (smaller) aliquot 01 sample. 5.3 Sample FIltration NOTE:
ALL SAMPLES MUST BE AT ROOM TEMPERATURE BEFORE ANALYSIS. 5.3.2 At the time of analysiS, take the appropriate number 01 prepared filters oul of the desiccator. Using a pair of tweezers,
weigh each glass tiber Iilter with an analytical balance to the nearest 0.0001g. Record the weight of the filter and the number of the aluminum boat in the TSS data book. Return the
filter to its respective boat. 5.3.3 Utilizing a pair of tweezers, place the previously weighed glass fiber filter disc into the filter holder flask assembly. 5.3.4 Wet filter disc with
deionized water to ensure adhesion to the holder. 5.3.5 Shake the sample vigQ[QuslV and immediately quantitatively Iransfer a volume of sample as delermined in Section 5.2 to the filter
using a graduated cylinder and apply vacuum. 
FEB-19-2001 15:49 FNI DALLAS P.21 Effective Date: January 1.1994 Approved t: u By QAM: 7471 Subject TOTAL SUSPENDED SOUDS Method: EPA 160.2 Page 4 of 8 Approved 􀁾 LM: or Non-FIlterable
Residue Revision: 8·14-95 5.3.6 Remove traces of water by continuing to apply vacuum after the sample has passed through the filter. 5.3.7 With vacuum applied. rinse the graduated cylinder.
filter, non-filterable residue, and filter holder wall with three separate portions of distilled waler allowing complete drainage between washings. 5.3.8 Slowly release the vacuum from
filtering system by removing the hose connection and carefully remove the filter disc from the holder. 5.3.9 Place the disc in its respective pre-numbered aluminum weighing boat 5.3.11
Pre-heat the oven t0103·C·10S·C prior to drying the prepared samples. 5.3.10 Place the boat with filter in a drying oven for at least one hour at this temperature or untillilters are
dried to a COnstant weight. 5.3.12 Remove the samples Irom the oven and place in a desiccator desiccator until cooled to room temperature. 5.3.13 Remcve the disc with a pair 01 tweezers
and weigh to nearest 0.1 mg on the analytical balance. Record final weight in the TSS data book. CAVTION: If the filters have not been dried to a constant weight or they have not equfllbrated
to room temperature, the analytical balance read out will fluctuate abnormally. 6.0 CALCULATIONS 6.1 Sample Calculation TSS in mglL = (8 -A) (W x 1000mg x la00rol Vol sample fillered
{AlIt 19 1L or TSS in mglL = (8 -AJ Vol sample filtered x 1,000,000 A =weight of filter disc (in grams) 8 = weight of reSidue plus filter disc after drying (in grams) 
FEB-19-2001 15'49 FNI DALLAS P.22 EHectlve Dale; January 1, 1994 Subject TOTAL SUSPENDED SCUDS Method: EPA Page 160.2 5 of 8 Approved By QAM; 􀁾􀀱􀀭 Appraved By LM: 􀁾 or Non-Filterabla
Residue Revision: 8-14-95 Example: The initial weight of the filler was 0.10769 and the final weight of Ihe filter plus residua was 0.1307g. A sample \/olume of 100ml was used. TSS in
mg/L = (01307. a 1079) x 1,000,000 '" 231mg/L 100 6.2 Detection Limits The detection limit is limited by the requiremen11hat the filters be dried to a conslanl weight which differs by
no more than 0.5mg from the previous weight The detection limit is calculated by the following formula: DL = -::-....O....5.1mJJlll!O__ Sample Vol (ll Sample Vol (m!) Det limit 25 20
50 10 100 5 200 500 2,. 5 7.0 SOil AND SLUDGE MODIFICATIONS TIll:> parameter is not perlormed on soli or sludge samples. B.O QUAUTY CONTROL For each set 01 ten (10) samples, a blank.
a duplicate sample, and a standard are to be analyzed. 8.1 Definitions 8.1.1 Batch A batch of samples is made up of one (1) to ten (10) samples of like matrix plus at least one duplicate
sample a(ld one standard sample. 
FEB-19-2001 15:49 FNI DALLAS P.23 Eftective Date: Subject Method: January 1, 1994 EPA 16Q.2 Approved 􀁾􀀠QAM: ?JJt TOTAL SUSPENDED SOUDS Page 60ts Approved By LM: ;!Y' or Non-Filtel'8ble
ResIdue Revision: 8-14-95 8.1.2 Reagent Enank Deionized water is added in the same volumes or proportions as used in the sample preparation. It must be carried through the completa analytical
procedures. The Reagent Blank is used to document the concentralion of TSS thaI is inherent in the analytical process. It is mandatory that a Reagent Blank be run with each batch of
samples. 8.1.3 Standard A solution of known TSS concentration is taken through the same steps as the samples. This sample is used to evaluate the percenl recovery. 8.1.3 Duplicate Sample
The analySiS of an additional aliquot of at least one (1) random sample in the batch. This sample is treated Ihe same as the other samples and undergoes the same procedures. Duplicate
samples are used to document the precision of the method. The Standard Devialion and Coefficient of Variation are calculated from Ihe duplicale data. 8.2 Quality Control Limits Before
any data is submined, it must meet the following ac Criteria A Non-Coniormance form must be completed for any batches not passing one or more of the QC Criteria, the problem(s) resolved.
and the batch reanalyzed to achieve quality resulls. If insufficient sample exists for reanaIYlIi:;, the client needs to be contacted and either more sample obtained or approval given
to report results outside ERMI QC Umi!s. Any results with ac outside ERMI QC Umils must be documented on the lina! report. 8.2.1 The absolute value 01 the Reagent Blank muslless Ihan
O.5mg 8.2.2 The OJ must be less than or equal to 10% for Ihe batch to pass this ERMI ac requirement. 8.2.3 The percent recovery of the standard must be within the limits 01 100±1Q% for
the batch 10 pass this fRMI ac requirement. 8.3 Quality Control Calculations The following calculations illustrate the QC Calculations. Asummary of typical data is given below: Sample
125mg/L Sample Dup 119mg, /L 
FEB-19-2001 15:49 FNI DALLAS P.24 Effective Dale: Janu Approved B QAM: Approved B LM: Subiect TOTAL SUSPENDED SOUOS or Non-Filterable Flellidue Method: EPA 160.2 Page 70tB Revision:
8-14-95 8.3.1 Mean (,x) is the arithmetic sum 01 Blithe duplicate values in a batch divided by the total number of duplicate samples. x", (x,H'2)/2 x = (125+119)12 x 􀁾􀀠122mgIL 8.3.2
Standard Deviation (SD) represents the dispersion of the samples around the mean. It is estimated by making a number or replicate measurements 01 a given sample. This value may be calculated
using a calculator and following the manufacturers instructions, or by using the simplified formula below if only two data points afe collected, 8.3.3 Standard Delliation for two data
points: SD = il<:z-x, 1/1.4142 =1125·11911 1.4142 = 4.2426 8.3.4 Coefficient of Variation (CV) CV '" Standard Oevlatioo (SO) x 100 Mean (x) '" 4 2426 x100 122 '" 3.479% 8.3.6 Percent
Spike Recovery (% Recovery) %Re<:. .. Standard Gane x 100 Known Std Concentration %Aee. " 255mglt x 100 =96 265mg/L 
FEB-19-2001 15:49 FNI DALLAS P.2S ., " Effective Date: Janua Subject Method: EPA TOTAL SUSPENDED SOUDS Page or Non-Filterable Residue Revision: 160.2 80f8 8-14-95 Approved a CAM: Approved
B LM: 9.0 SAFETY AND HYGIENE 9.1 Use safety glasses. gloves, and a lab coal. 9.2 Read the MSDS sheet for more safety information on the reagent used in this procedure. 9.3 Filter and
dry any smelly samples in the hood room. 10.0 WASTE DISPOSAL 10.1 Neutralize and dispose of IiIlrats in sanitary sewer if no other hazardous components are found, 10.2 Dispose ot the
filtel and TSS in the trash if no other hazardolJs components are found. 11.0 CLEAN UP AND MAINTENANCe Glassware is washed with laboratory grade detergent then rinsed three times with
lap water. followed by three rinses with 01 water. 
FEB-19-2001 15:50 FNI DALLAS P.26 .' Effec:tive Date: August 5,1993 Subject Method: EPA 41D.4 Approved tq;( l;Iy QAM; COD COLORIMETRIC ANALVSIS Page 10110 Approved trY By LM: using BLOCK
DIGESTION Revision 0-11-95 Detection Limit: High Range 20mglL Low Range ;lfng/L Sampling : Composite/Grab 1.1,0 Container ; Plastic/Glass Preservative : Cool @4·C I H2SO. to pH <2 Holding
Time : 28 days 1.0 GENERAL DISCUSSION This method measures the quantity of Oxygen required to oxidize the organic matter in surface water, and domestic or Industrial wastes under specific:
olCidizing.,conditions, at a set temperature and time. Samples are collected in glass or plastic containers and preserved wah 1:1 sulfuric acid to a pH<2. Samples are kept at 4°C unlil
analYSis. Samples, blanks and standards are placed in sealed tubes with a strong oxidizing agent and heated at 150"C for 2 hours. After this time, they are allowed to cool and Iha absorbance
is read using tha Spectronic 20. set at eOOnm. 2.0 INTERFERENCES Chlorides are quantitatively oxidized by dichromate and represent a positive interference. Mercuric sulfate is added
to lhe digestion tube 10 complex the chloride and reduce this interterence. U APPARATUS • Hach COO reactor set at 150·C • Glass culture tubes with Teflon screw caps (do not mix brands)
• Spectronic 200 set at BOOnm • Volumetric pipets. 1ml, 2ml, and 10ml • VolumetriC pipettor, 100111 • Automatic pipettor, 5ml adjustable • Volumetric flask, 100ml, 1000ml • Analytical
balance 
FE8-19-2001 15'50 FNI DALLAS P.27 Effective Date: AUGust 5. 1993 Subject Method: EPA 410.4 Approved a By_ QAM: 7; ,i /" COD COLORIMETRIC ANALYSIS •Page 20'10 Approved ,kA By LM: Ig using
BLOCK DIGESTION Revision 8-11·95 4.0 REAGENTS All reagents must be labeled with Contents. Concentration, Preparer, Preparation Date, and Expiration Date. The preparation data must be
recorded in the Standard Preparation Log or the Reagent Preparation log. 4.1 Digestion Solution Add t87ml cone. 􀁾􀁓􀀰􀀴 to 500ml distilled water. While the solution Is stH! hot, dissolve
33.3g Mercuric Sullate (HgSOJ and 10.29 Potassium Dichromate 􀀨􀁾􀁣􀁲􀁡􀀰􀀷􀀩􀀠in this solution. Cool and dilute to 1 liter in a volumetric flask. 4.2 Catalyst Solution Add 229 of Silver
Sulfate (AIkS04) to a 4.09Kg (2.5 lilers) bottle of cone. H2S04, Stir until dissolved. 4.3 COD Standard. BOOmgIL DisSOlve 0.6909 01 primary grade potassium acid phthalate in 800ml of
01 water and dilute to tOOOml in a volumetric flask. This standard is stable for 6 months. 4.4 4.4 Laboratory Control Sample Siock, 1000mgIL Dissolve 0.8509 of primary grade potassium
acid phthalate in 800ml ot 01 water and dilute to 1000ml in a volumetric flask. This standard is slable for 6 months. A different source ot potassium acid phthalate must be used in this
preparation than in the standard. S.O PROCEDURE 5.1 Preparation of COD Tubes When preparing COD tubes, prepare all many as possible allhe same time. Verily and document the accuracy
ot the pipettor at the beginning and end of the dispensing process. 5.1.1 Wash all culture lubes with hot soapy water and rinse extremely thoroughly with distilled water. Allow to air
dry or dry in oven. 5.1.2 Using an automatic pipettor. set at 2.6mls, add cataly3t solution to each COD tuba. 5.1.3 Using a second pipettor, set at 1.2mls, add digestion solution 10
each tube. CAUTION: TUBES Will BECOME HOT. THESE SOLUTIONS ARE EXTflEMELY CORROSIVEm WEAR SAFETY GlASSES, GLOVES AND A LAB COAT WHEN HANDLING THESE CHEMICALS. "':" ., :....l..t. J r
' ..' " (.'\.. ..:... 􀁾 to I" (). a. t {.\.. \,;. .0 r .., r·' J-....... 'or , • 􀁾􀀠 -􀁾􀀠􀀧􀀤􀁾􀁥􀀮􀀮􀁴􀀧􀀼􀁾􀁣􀁊􀀧􀁊􀀮􀀮􀁜􀀠 􀁲􀁾􀀱􀀠􀁦􀀧􀁜􀁜􀁕􀁾􀁾􀀠
FNI DALLAS P.2B FEB-19-2001 15:50 Effective Date: August 5,1993 Subject COD COl.ORIMETRIC ANAL VSIS using BLOCK DICESTION Method: EPA 410.4 Page 30f10 Approved q,. B'l QAM: Approved
By LM: fJ!􀁾􀀠 Revision 8-11-95 5.2 Preparation of Standards \lol coo SId (ml) YolO I Water (mil Cone. 01 SId (mgIL) 0.00 2.00 a 0.10 1.90 40 1.00 1.00 400 2.00 0.00 800 CAUTION: ALL
TUSES MUST BE SHAKEN PRIOR TO GOING INTO COD REACTOR TO PREVENT THEM FROM EXPLODING. PLACE IN BLOCK DIGESTOR GENILY TO AVOID BREAKING TUBES. 5.3 preparation of Samples Place enough COD
tubes in a test tube rack to prepare a complete batch including all ac specified in Section 8.0 plus a few extras to use if dilutions are needed. 5.3.1 Be sure that the sample is mixed
completely. II it contains solids which will not suspend easily, mix wilh a blender before sampling. The sample should be able to easily pass through apipet lip without clogging. 5.3.2
Add 2ml of sample 10 a COD tube using Ii volumetric: pipel 5.3.3 For each spike add 1ml COD standard and 1001 sample to a COD tube using volumetric pipets or calibrated plpetters. Cap
and shake weI!. 5.3.4 Prepare an LCS by pipeting 1ml of LCS stock and 1ml of DI water into a COO tube. 5.3.5 Some samples will have a high COD content and the tube will tum green or
aqua immediately upon adding sample. If this happens, a dilution will need to be made. 5.S.5.1 Try a 1: 1 dilution lirst. If a 1:1 dilution turns tube green, then try a 1 to 10 dilution.
Use a volumetric pipet to add 10ml or sample Inte a 100ml graduated cylinder. then dilute to lOamI using deionized water. 
FEB-19-2001 15:50 FNI DALLAS P.29 Method: EPA 410.4 COD COLORIMETRIC ANALYSIS Page 4Q# 10 Revision 8-11-95 5.3.5,2 If a 1:10 dilution turns green, then run a 1:100 dilution by using
a volumetric pipet to add 1mt of the original sample Into a 100ml graduated cylinder and diluting to volume with deionized water. NOTE: All dilutions must be made before the digestion.
Recheck the tubes after 15 minutes to see if any have turned green and need further dilution. S.3.S When all of the samples and dilutions have been prepared. place the tubes in the preheated
COD block digeslar. Remember to shake tubes well before heating. Allow the tubes to digest for 2 hours. 5.3.7 After 2 hours, lake the tubes out ot blOCk digester and allow them to cool.
5.4 Low Level Modifications The following modifications to this SOP are needed for samples requiring analysis allevals below 20ppm. 5.4.1 Special low level COD lubes from HACH are required,
5.4.2 Dilute the 800ppm standard 1:10 to get a aOppm standard. Prepare \he standard COO tubes as follows: Vol 9Qgpm SId Cool) vo! 0 I Waler (mt) Cone. of Std (mgll ) 0.00 2,00 o 0.25
1.75 10 0.50 1.50 20 1.00 1.00 40 2.00 0.00 80 5.4.3 To prepare an LCS, use only 0.100m! of tha 1000ppm LCS concentrate plus 1.900ml or 01 water. 5.4.4 Use the Spec 20 rather than the
Spec 200 and set the wavelenglh to 420nm. After a 15min. warm-up. adjust the needle to 0% transmittance. 5.4.5 For this colorimetric low level analysis, you will be measuring the decrease
In yellow color rather than the increase in green color. Insert \he blank and adjust the needle to 0.5 absorbance units, Each increase in concentration will yield a smaller absorbance
value. 
FEB-19-2001 15:50 FHI DALLAS P.30 Effective Date: August 5. 1993 Subject Method: EPA 410.4 Approved By CAM: 􀁾?􀀠n COD COLORIMETRIC ANALYSISPage 50110 Approved By LM: t#' using BLOCK DIGESTION Revision 8-11-95 5.5 Photometric Analysis 5.5.1 Tum on the Spec 20D. Allow a 15 minute warm-up. 5.5.2 Use the visible photocell and
the red filter. 5.5..3 Set the wavelength with the dial on top or the Spec 200 to SOOnm. 5.5.4 Using the knob on the left, zero the machine to the zero on the left side 01 the scale.
5.5.5 Insert the calibration blank (Section 9.1.2) and set jull scale absorbance at zero. Repeat the above procedure 10 be sure the Spec 20D Is correctly zeroed and stabilized. 5.5.6
Wipe each tube clean before inserting it into the Spec 20D. Insert the standard and sample tubes and read the absorbance on the lower (Absoroance) scale. Record this value in the data
book. 6.0 CALCULATIONS 6.1 Standard Curve Calculatlons (mgtL) Prepare a standard curve by plotting the absorbance values of the standards versus COD concentration of thaI standard. Obtain
the concentration value of the samples directly Irom the standsn:! curve. The curve is prepared and concentrations may be calculated using a calculator, computer, or by hand plotting
and graphing the analytical results. 6.2 Dilution Factor Calculation Dilution Factor (DF) .. (C + BIIC Sample Concentration (mg/L) ;: A r(C + B) Ie] '= A x OF Where: A ;: mg/l 01 COD
in diluted aliquol from standard curve B :::: ml of deionized water used for dilution C .. ml of sample aliquot OF,= (10ml + 90ml)/10ml '" 10 Sample Concentration", 108.33 mglLx 10 =
1083.3mg/L 
FEB-19-2001 15:50 FNI DALLAS P.31 Effective Dale: August 5.1993 Subject Method: EPA 410.4 Approved a By QAM: 4.. tJ fI COD COLORIMeTRIC ANALVSIS Page 6 or 10 Approved By lM: using BLOCK
DIGESTION Revision 8-11-95 6.3 Detection Limit Calculation A new detection limit must to be calculated any time Ulere is a dilution. This is done by multiplying Ule normal detection
limit times the dilution factor. Oet Umil "" 20ppm X 10 '" 200ppm 7.0 SOILS AND SLUDGE MODIFICATIONS This method is not suitable for soils or sludges. 8.0 QUALITY CONTROL Each 8ATCH.
of no more than 10 samples of like matrix must meet certain fRMJ OC Criteria before the batch data can be released and the final report prepared. 8.1 Definitions 8.1.1 Batcn A batch
of samples is made up of one (1) to ten (10) samples of like matrix plus a Matrix Spike Sample, a Matrix Spike DupliCate Sample, and a Laboratory Control Sample. 8.1.2 Calibration Blank
A volume of deionized water Ireated In the same mannet and containing 1he same teagents as Ihe samples used in the spectrophotometric analysis (Section 5.0). 8.1.3 Calibration Standards
A series of known standard solutions used by the analyst to prepare a standard curve. This series consists of a volume 01 deionized water and standard solution treated In the same manner
and containing the same reagents as the samples. The calibration blank and the calibration standards are analyzed at the begInning of the run, If Ulere are continual batches tor the
same parameter being run at the same time, one set of calibration standards will suffice for all batches run. 8,1.4 Matrix Spike Sample A known concentration of standard is added to
a separate aliquot 01 sample prior to adding Ihe reagents. Spike concentration levels should be selected by considering sensitivity and detec;tion limits. The Matrix Spike Sample is
used to document the accuracy of the method. 
P.32 FEB-19-2001 15:50 FNI DRLLAS Effective Date: August $. 1993 Subject Method: EPA 410.4 Approved tL By CAM: , rJ 􀁾􀀠 COD COLORIMETRIC ANALYSIS Page 70f10 Approved By LM: using BLOCK
DIGESTION Revision 8-11-95 8.1.5 Matrix Spike Duplicate Sample This sample is a duplicate analysis of the Matrix Spike Sample, spiked at the same concentration. Matrix Spike Duplicate
Samples are used to document the precision of the method. The standard deviation and coeflicient of variation are calculated using the spike and the spike duplicate data. 8.1.6 Laboratory
Connol Sample This sample is a standard from a different source than the calibration standards which must be taken through the complete analytical procedure. It is used to check the
accuracy of the standardization. 9.2 Quality Control Limits Before any data is submitted, it must meet the following ac Criteria. A Non-Conformance form must be completed for any batches
not passing one or more of the ac Criteria. the problem(s) must be resolved. and the batch reanalyzed to achieve quality results. II insufficient sample exists for reanalysis. the customer
needs to be contacted and either more sample obtained or approval given to report resulls Outside ERMI aC LImits. Any results with ac outside ERMI ac Limits must be documented on the
linal report. 8.2.1 Recovery The reported recovery is the average recovery of the MatriX Spike and Matrix Spike Duplicate analyses. This value must not exceed 1OO±1 0% to pass fRP\1
ac requirements. The entire batch must be reanalysed if this value Is exceeded. 8.2.2 Coefficient of Variation The coefficient at vanation is calculated using the Matrix Spike and Matrix
Spike Duplicate analyses. This value must not exceed 10% for the batch to pass ERfIlI ac requirements. 8.2.3 Laboratory Control Sample The recovery of this ac sampfe must not exceed
100±10%for the balch to pass £IIMI QC requirements. 8.2.3 Absorbance Verification The absorbance of the 400ppm standard must be within 10% of the average of the last tour 400ppm standards
for it to pass this fR"'J ac requirement. 
P.]] FEB-19-2001 15:51 FNI DRLLRS Effective Date: AUGust 5, 1993 Approved tIuJ 􀁾 QAM: /'1l1 Approvelf I vJ.J' Bv lM: Itg Subject COD COLORIMETRIC ANALYSIS using BL.OCK DIGESTION Method:
EPA 410.4 Page 80f10 Revision B-11-95 8.3 Quality Control Calculations Example Dala: Spike 345.8 Spike Oup 355.8 8.3.1 Mean (xl is the arithmetic sum 01 all the duplicate values in a
batch divided by the total number of duplicate samples. x = (x, + xJ 12 "it = (345.8 .. 355.8) 12 x =350.8mg/L 8.3.2 Standard Devilltion (SO} represenls the dispersion of the samples
around the mean. It is estimated by making a number of replicate measurements of a given sample. This value may be calculated using a calculator and following the manufacturer's inslructions,
or by using the simplified formula below it only two data points are collected. 8.3.3 Standard Deviation for two dala points SO '" I x2 " x, 111.4142 SD = 1345.8·355.81/1.4142 so ,.
7.071 0.3.4 CoeHicient of Variation (CV) cv = Standard Deviation (SDl.x 100 Mean (x) CV = 7.071 7.071 350.8 x 100 CV =2.02% 
FEB-19-2001 15:51 FNI DALLAS P.J4 Effective Date: AUGust 5, 1993 Subject COD COLORIMETRIC ANALYSIS Method: EPA 410.4 Approved 4 BV_ QAM: 'dU 11 Page 9 of 10 Approved 􀀯􀁾􀀠_ BV LM: using
BLQCK DIGESTION Revision 11-11·95 8.3.5 Percent Spike Recovery (0/0 Recovery) For example, the concentration of a sample is 701.6mglL and the spiked sample is 760.Smg/L. This sample
was spiked with 1ml 01 aOOmglL standard. Spike Cone. Crogll) '" Val of Spike (m!) x Cone. of Spike (mg/J ) Vol 01 Sample (ml) = 1mt l< 800mglL 2ml = 400 mg/L %Recovety = Spiked Sample
Cone. -lbOriginal Sample Cane X 100 Known Spike Concentration = 76Q,5· 350 B X 100 = 102.4 400 mg/l 9.0 SAFETY AND HYGIENE 9.1 Wear safety glasses. gloves. and a lab coat 9.2 Read the
MSDS sheets for additional safety and hygiene information on the chemicals used in this procedure. 9.3 Be aware that the tubes become vety hot and build up pressure while the digestion
is proceeding. 9.4 Use the safety shield on the block dlgestor. 10.0 WASTE DISPOSAL 10.1 All digested samples and standards must be lreated as hazardous wastes. ThGy are composited and
turned in to the Hazardous Waste Coordinator for disposal according to our Hazardous Waste Disposal Plan. 10.2 Unused sample which has no toxic properties should be neutralized and poured
down the sanitaty sewer. 
FEB-19-2001 15:51 FNI DALLAS P.35 Effective Date: August 5. 1993 Subjeef Method: EPA 410.4 Approved ¥ BV QAM: "-1; J J1 COD COLORIMETRIC ANALVSIS Page 10 of 10 Approved By LM: usIng
BLOCK DIGESTION Revision 8-11-95 11.0 CLEAN UP AND MAINTENANCE Wash glassware with a laboratory grade detergent Ihel"l rinse three times with tap water. Allow to soak in DI water for
several hours, then rinse three times with DI water. Be sure to rinse all glassware extremely well. Any residue of soap will be measured by this lest. TOTAL P.::J5 
City ofDallas Randy Stalnaker Wholesale Services DivisionlDWU 1500 Marilla -Room 4AN DaIlas, TX 7520 I February 19,2001 RE: Joint Town ofAddison and Dallas Water Utilities Meeting (February
8, 2001) Dear Randy: I would like to once again express my appreciation on behalf of the Town of Addison for meeting with us on February 8, 2001, and for you and your staff's attention
to the surcharge situation that we are trying to resolve. To reiterate our concerns, as a result of a preliminary study prepared by Freese and Nichols, we feel there is a possibility
that the locations where samples are currently being taken are affecting the quality and accuracy ofthe representative system samples. To address this concern, Dallas \\'afM Utilities
IIBii the the Town of Addison agreeil te proposes the foUowing: fit the jeint meeting heIa FeeflHlfY 8, 2()() I: (1) Sampling sites ",ill be temporarily relocated to the locations shown
on the attached site map, subject to your approval of said locations. DWU and the Town of Addison will also agree on the sampling method and configuration. The Town of Addison will contribute
labor and materials to this effort if apprcpriate. (2) The Town ofAddison will pay the following surcharge amounts: (a) July 2000 $33,291 (b) August 2000 $10,173 (c) September 2000 •
$11,099 (3) Ifthe study holds true and samples taken from the proposed sites result in lower concentrations of BOD and TSS for two consecutive months, Dallas Water Utilities ",ill: (a)
Refund all surcharge payments made through September 2000; and (b) Cancel surcharge pay requests for October, November and December of2000. (4) The Town of Addison, at its own expense,
will then proceed with construction of nev. "permanent" sampling locations (agreed to by all affected parties) fur future sampling. (5) If sampling continues to show I!igll concentrations
of BOD and TSS above the 250mgll threshold, the Town of Addison will furward any outstanding surcharge fees to DaIlas Water Utilities and continue to detennine the cause or source ofthe
surcharge problem. 
Page 2 19 February 2001 2/8/01 Joint Meeting Agreement Ifour understanding oftile agreement, as set furth herein, meets with that ofDallas Water Utilities, please return a signed copy
ofthis letter at your earliest convenience, UNDERSTOOD ANDAGREED TO: Michael E. Murphy, PE Randy Stalnaker Director of Public Works ManagerlWholesale Services Town ofAddison Dallas Water
Utilities Date: _______ Date: _________ Attachedper your request are: 1, Location Maps showing drainage basins. 2. Requested testing methods and procedures, 3, Temporary Test Site Location
Map, Xc: Ron Whitehead -City Manager /Addison Chris Terry -Asst. City Manager I Addison Terrace Stewart -Direetor I DWU Larry Patterson, PE -Asst. Director /DWU Alan Greer PE, -Freese
and Nichols /Manager 
􀁟􀁾___"...____ PUBLIC WORKS DEPARTMENT (972) 450-2871 ._ ® Post Office Box 9010 Addison. Texas 􀀷􀀵􀀰􀀰􀀱􀁾􀀹􀁑􀀱􀁏􀀠 16801 We3tgrovc City ofDallas Randy Stalnaker Wholesale Servioes
DivisionIDWU 1500 Marilla -Room 4AN ..􀁾􀀠(IDallas, TX 7520 I February 19, 2001 􀀱􀁉􀁉􀀱􀁾􀀠 OJ {(I.. BE: Joint Town ofAddison and Dallas Water Utilities Meeiing (February 8, 2001) J'ytf
'"oD11 Dear Randy: 􀀱􀀧􀀧􀀧􀁾􀁊􀁉􀀠fl .ftt' Y"" I would like to once again express my appreciation on behalf of the Town of Addison 􀁦􀁯􀁾􀁵􀀠and your staffs attention to the surcharge
situation that we are trying to resolve. To reiterate our concerns, as a result of a preliminary study prepared by Freese and Nichols, we fuel 1here is a possibility that the locations
where samples are currently being taken are affecting the quality and accuracy of the representative system samples. To address this concern, :9tIH!ts WtI!e. lJ5!ij;jes &lid the Town
of Addison 􀁾􀀺the following."a:IioII!e;eiAt.-tisg helE! "gAla£;' g, 26tH. (1) Sampling sites will will be temporarily relocated to the locations shown on the attached site map, subject
to yonrapproval ofsaid locations. 'bt.A.J. 􀁾 TZlA "".11 'll,,,, "":!tl"t..{ 1M fk.t.... 5 l "'1'''ivr /1M. f1.nJ. 4 (2) The Town ofAddison will pay the following surcharge amounts:
􀁾􀁵􀁾􀀮􀀠 (a) July 2000 $33,291 􀁰􀀮􀁉􀀺􀁥􀀯􀀧􀁫􀀮􀀧􀁾􀀠 1i;If-1#ill 􀁣􀀮􀁮􀀻􀁴􀁲􀀢􀀬􀀮􀀮􀁊􀁾􀀧(4;'11,.4 􀁾􀀠 (b) August 2000 $10,173 (c) September 2000 -$11,099 h-􀁾 e.ff..,,f-If 􀁖􀀱􀁕􀁊􀁾􀀠•
(3) Ifthe study holds true and samples: taken from the proposed sites result in lower concentrations of BOD and TSS for two consecutive months, Dallas Water Utilities will: 􀁾 j ....
\'j '2roO (a) Refund all surcharge payments made"through September 2000; and ).50 (b) Cancel surcharge pay requests for October, November and December of 2000. (4) The Town of Addison,
at its own expense, will then proceed with ction of new "permanent" sampling locations (agreed to by all affucted parties) for future sam 􀀮􀁾_ I 􀁾􀀠'''1fL (5) If sampling continues
to shO\':@concentrations of BOD and TSSAthe Town of 􀁁􀁤􀁤􀁩􀁾􀁯􀁮􀀠will furward any outstanding surcharge fues to Dallas Water Utilities and continue to determine the cause or source
ofthe surcharge problem. 
---------Ifour understanding of the agreement, as set forth herein, meets with that of Dallas Water Utilities, please return a signed copy ofthis Iettq:r at your earliest convenience.
Lv.. _ 􀁾 I: t:.. -h ..,-1", A4'\ 1"'Iii'u............,.( 􀁤􀀮􀁯􀁾􀀠 "'-0-1' pv"""<,, Ivel Q 'T lc.?A I -I I"UNDWTOODANDAGREEDTO: 􀁲􀀭􀁾􀀦􀀮􀀨􀀱􀀺􀁹􀀢􀀧􀀠 􀁾􀁬􀀮􀀭 􀁾􀁜􀁲􀀠􀀴􀁜􀁊􀁜􀁴􀁃􀁾􀁾􀀠
't""t>ec;: -ct--c,.."t 􀁾􀀭􀀢􀀱􀀱􀀠 􀁾􀁬􀁣􀁜􀀭􀁯􀀠 􀁾􀀮􀁣􀁬􀀮􀀠 Michael E. Murphy, PE Randy Stalnaker Director of Public Wolks ManagerlWholesale Services Town ofAddison Dallas Water
Utilities . Dare: _____________ Dare: Attached per your request are: 1. Location Maps showing drainage basins. 2. Requesred resting methods and procedures. 3. Temporary Test Site Location
Map. Xc: Ron Whitehead -City Manager I Addison Chris Terry -Asst. City Manager I Addison Terrace Srewart -Director I DWU Larry Patrerso Asst. Director I DWU Alan Greer P -Freese and
Nich, ols I Manager 
City of Dallas Randy Stalnaker PUBUC WORKS DEPARTMENT (972) 450·2871 Post Office Box. 9010 Addison, Texas 75001-9010 16801 Weatgra.ve Wholesale Services DivisionIDWU 1500 Marilla-Room
4AN Dallas, TX 75201 February 19,2001 RE: Joint Town ofAddison and Dallas Water Utilities Me¢ng (February 8, 2001) Dear Randy: I would like to once again express my appreciation on behalf
of the Town of Addison for you and your staft's attention to the surcharge situation that we are trying to resolve, To reiterate our concerns, as a result of a preJiminary study prepared
by Freese and Nichols, we fuel there is a possibility that the locations where samples are curreotly beiog taken are affectiog the quality and accuracy of the representative system samples,
To address this concern, Dallas Water Utilities and the Town of Addison agreed to the fullowiog at the joint meeting held February 8, 200 I; (1) Sampiiog sites will be temporarily relocated
to the locations shown on the attached site map, subject to your approval of said locations, (2) The Town of Addison will pay the followiog surcharge amounts: (a) July 2000 $33,291 (b)
August 2000 $10,173 (e) September 2000 • $11,099 (3) Ifthe study holds true and samples taken from the proposed sites result io lower conceatrations of BOD and TSS fur two consecutive
months, Dallas Water Utilities will: (a) Refund all surcharge payments mndc through September 2000; and (b) Cancel surcharge pay requests fur October, November and December of 2000,
(4) The Town of Addison, at its own expense, will then proceed with construction of new "permanent" sampling locations (agreed to by all affected parties) for future sampiiog, (5) If
sampling continues to show high concentrations of BOD and TSS, the Town of Addison will forward any outstanding surcharge fees to Dallas Water Utilities and contioue to determioe the
cause or source ofthe surcharge problem, 
If our Wlderstanding ofthe agreement, as set forth herein, meets with that ofDaUas Water Utilities, please return a signed copy ofthis letter at your earliest convenience. UNDERSTOOD
AND AGREED TO: Michael E. Murphy, PE Director ofPublic Works Town ofAddison Date: _____________ Attachedperyour request are: Randy Stalnaker ManagerlWholesale Services Dallas Water Utilities
Date: ______________ I. Location Maps showing drainage Oa.'SIDS. 2. Requested testing methods and pro;::edllfC 3. Temporary Test Site Location Map. xc: Ron Whitehead -City Manager I
Addison Chris Terry -Asst. City Manager I Addison Terrace Stewart -Director I DWU Larry Patte . -Asst. Director I DWU Alan Greer PE -Freese and Nichols I Manager 
PUBLIC WORKS DEPARTMENT (972) 450-2871 Post Office Box 9010 Addison. Texas 75001-9010 }6801 Westgrove City ofDallas 􀁾􀀠 Randy Stalnaker f" Wholesale Services Division! WU 1500 􀁾􀁾
-Room 4AN 􀁄􀁡􀁬􀁬􀁡􀁳􀁾􀀷􀀵􀀲􀀰􀀱􀀠 February 14,2001 RE: Joint Town ofAddison and Dallas Water Utility Meeting (February 8, 􀀲􀀰􀀰􀀱􀁾􀀠 􀁄􀁥􀁡􀁲􀁒􀁡􀁮􀁤􀁾􀀠 I would like to once again
express my appreciation on behalf ofthe Town ofAddison for you and your staff's attention to the Surcharge situation that we are trying to resolve, As a result ofthe referenced meeting,
and with your approval, sampling sites will be temporally relocated to the 'ilHswillg'locations shown on the attached site map, As you know, it is our contention that as a result ofa
􀁰􀁲􀁥􀁬􀁩􀁭􀁩􀁮􀁡􀁾􀁹 prepared by Freese and Nichols, we feel there is a possibility that the locations 􀁾􀁬􀁬􀁥􀁲􀁥􀀠samples are currently being taken are affecting the quality and
accuracy of the representative system samples, Therefore, ifthe study holds true and samples taken from the proposed sites resulV in lower concentrations ofBOD and TSS for two consecutive
􀁭􀁯􀁮􀁴􀁨􀁾􀁡􀁬􀁬􀁡􀁳􀀮􀀠Water Utilities -10 I'(DWU) agrees to refund all surcharge 􀁰􀁾􀁥􀁮􀁴􀁳 made through September 2000 and 􀁾 􀁦􀁴􀁾􀀠would cancel surcharge pay requests fo Oct,
November and December 􀁯􀁦􀀲􀀰􀀰􀀰􀀬􀁾􀀩0 􀁾􀀠 U 􀁰􀀭􀁾􀀬􀀠 Town of􀁁􀁤􀁤􀁩􀁳􀁾􀀠at ifs OWl! expease, a s to then proceed 􀁷􀁩􀁴􀁨􀁾􀁦􀁮􀁥􀁷􀀠 if! 6"\ 􀁾􀁲􀁭􀁡􀁮􀁥􀁮􀁴􀀢􀀠sampling locations
(agreed to by all affected parties) for future sampling, tit: 􀁾􀁾􀀧􀁽􀀠 􀁾􀀭􀀭􀁯 () 􀁾􀀧􀀨􀀠'If sampling continues to show high concentrations ofBOD and TSS}he Town of 1,-1.Y' /Addison
will forward any outstanding surcharge fees to DWU and continue to determine the cause/source ofthe surcharge problem Michael E. Murphy, PE Randy Stalnaker Director ofPublic Works ManagerlWholesale
Services Town of Addison _Dallas Water Utilities Attachedperyour request are: L Location Maps showing drainage basins GRon Whitehead-City Mgr, Addison 2, Requested testing infonnation
Chris Terry -Asst, City Mgr, Addison 3, Temporary Test Site Map Terrace Stewart -Dir, DWU Larry Patterson -Asst, Dir DWU 
Jan-96 $1,890.34 Feb-96 $869.30 Mar-96 $19,141.79 Apr-96 No Surcharge MaY-96 $4,594.24 Jun-96 $618.00 Jul-96 $6,239.97 Aug-96 No Surcharge Sep-96 $14,019.78 Oct-96 No Surcharge Nov-96
No Surcharge Dec-96 No Survey Jan-97 No Survey Feb-97 No Survey Mar-97 No Surcharge Apr-97 No Surcharge May-97 $1,241.20 Jun-97 $4,081.12 Jul-97 $6,601.03 Aug-97 No Surcharge Sep-97
$5,629.04 Oct-97 $3,999.62 Nov-97 $4,805.13 Dec-97 $3,824.68 Jan-98 $2,170.43 Feb-98 Mar-98 $9,592.29 Apr-98 $19,142.76 May-98 $10,581.02 Jun-98 $2,084.61 JUI-98 $1,334.82 Aug-98 $7,480.46
Sep-98 $25,302.94 Oct-98 Nov-98 Dec-98 $70,000.00 Jan-99 Feb-99 Mar-99 Apr-99 $22,471.39 May-99 $11,185.56 Jun-99 $6,138.45 JUI-99 $1,465.91 Aug-99 $3,762.05 Sep-99 Oct-99 $13,088.50
Nov-99 $2,637.05 Dec-99 $7,594.37 Jan-OO $6,586.70 Feb-OO $8,788.32 Mar-OO $11,469.20 Apr-OO $4,263.86 
May-OO $19,475.61 Jun-OO $13,676.65 Jul-OO $33,291.19 Aug-DO $10,173.02 􀁾􀀮􀀭􀀭 Sep-OO $11,099.02Oct-OO $27,515.15' Nov-OO No Surcharge Dec-OO $52,503.21 􀀭􀀭􀁾􀀠 TOTAL $492,429.78

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moo W. F.ree-l:e. P.E, 1901H990 Marvin C. Nichols, P,E, 1896-1969 FREESE· NICHOLS LEITER OF TRANSMfITAL i TO: City of Addison DATE: February 17, 2001 16801 Westgrove Drive PROJECT: Addison,
Tx 75001-9010 Sewer Study ATTENTION: Michael hy,P.E. Response to DWU We are sending you I!1'Attached 0 Under Separate Cover VIA __ 􀁾􀁬􀁬􀁏􀁷􀁩􀁮􀁧 items: o lans 0 Specifications o ShopDwg.
Reports 0 Diskette(s) o Other COPIES DESCRIPTION 1 letter of recommendation and referenced protocols 􀁾are transmitted for your: Use 0 Review & Corurnent o Response o Approval o Distribution
to Parties o Record o Other Remarks: Co ies [0: , ADDOO356-3.1 i d FREESE AND NICHOlS. 1701 N. MARKET STREEl". SUITE 500 LB 5 I • DALLAS, TIlXAS 75202-200 1 TELEPHONE: 214-920-2500 •
FAX: 214-920-2565 
o ., F . ._. ":.i .. S.E R 'I teE. . " . •;'-A'.\,-__ ._.__ 􀀬􀀬􀁾􀀠 _.:'_-',..,;' ,. -.••_.' February 17, 200 I FREESE-NICHOLS Michael Murphy, P.E. Town of Addison 16801 Westgrove Drive
Addison, Tx 75001·9010 Re: DWUIssues Dear Mr. Murphy As a result ofour meeting last week with Dallas Water Utilities concerning our report on the sanitary sewer investigation we respond
as follows: Laboratory Issues· • Laboratory procedures· attached are the ERMI procedures used on the project ... • The QNQC data was included in volume 2 of the report. Each laboratory
result report included a quality control section. We are not sure what else is needed. We made multiple phone calls to Lee Davis at DWU and were unable to contact him for clarification.
Sampling Issues • RJN's written procedures for collection and preservation of samples are attached. • RJN's written procedures for installation, calibration, and maintenance ofthe flow
metering equipment during the monitoring period are attached. With regards to the sampling locations we considered inserting a stinger in the flat section ofpipe in the meter vaults.
However, when the minimum and maximum flow velocities were calculated using our flow monitoring data for each site, we found the following: ACADEMY BRANCH KELLER SPRINGS MIN VELOCITY
IN METER (f/sec) 0.11 0.007 0.17 MAX VELOCITY IN METER (f/sec 0.56 2.70 0.81 These velocities are too low for representative sampling purposes. The maximum velocities at the Branch meter
are acceptable but the diumallow flow velocities drop significantly below 1 foot/sec. There will be no perfect or utopian sampling points because ofthe nature ofthe system and available
technology. However, there are good and better sampling points. We would reco=end that the sampling take place at the first manhole downstream of each meter. For the Branch meter this
is the manhole at station 0+50.4 on line A (DWU plans), the Keller Springs reco=ended sampling manhole is at station 0+85.29 on Line B (DWU plans), and the Academy reco=ended sampling
manhole is at station 0+14.14 on Line C (DWU plans). These are the sampling points that were nsed for the study purposes. Although all three locations exhibited some}surcharging during
our ; 􀁾􀀠 ,-Freese and Nichols, Inc. • Engineers • Environmental Scientists • Architects 1701 North Markel Street • Suite 500 lB 51 • Dallas, Texas • 75202 214-920-2500 • Fax 214-920·2565

monitoring period, flow conditions are much better then upstream of the meters. The sampling tube at all sampling points should be set so that it does not rest on the bottom of the manhole.
According to the drawings, the outlet pipe invert is, in all instances, at least I foot above the manhole invert. We would prefer that the sampling tube be set at or slightly above the
outlet pipe invert. The low diurnal flows during our monitoring had depths of 1.75", 3.8", and 4.29" above the outlet pipe inverts respectively for Academy, Branch, and Keller Springs
sampling locations. In addition, the DWU suggestion about cleaning the piping immediately upstream of the meters should be implemented. It was also apparent during the meeting that some
of the DWU staff took -offense to our observation about the sampling tube being located at the very bottom ofthe manhole. Unfortunately, we do not have pictures to back up our observations.
We would suggest that during the sampling periods your staff take date stamped pictures pictures of the sampling setup in order to document the sample tube configuration on a daily basis
during the sampling periods. Should you need any additional information please let us know. Sincerely, FREESE AND NICHOLS, INC. 􀁾􀀮􀀮􀀦􀀺􀁦􀀮􀀢􀀢􀀢􀀭 , , 
. 􀁾􀀮􀀭􀀧--....􀀭􀀭􀀭􀀭􀀭􀀭􀁾􀁾􀀠 February 17, 200 1 􀁾􀁣􀁨􀁡􀁥􀁬􀁾􀁵􀁲􀁰􀁨􀁹􀀬􀁐􀀮􀁅􀀮􀀠 Town of Addison 16801 Westgrove Drive Addison, Tx 75001-9010 Re: DWU Issues Dear Mr. 􀁾􀁵􀁲􀁰􀁨􀁹􀀠
As a result ofOUIrueeting last week with Dallas Water Utilities concerning OUI report on the sanitary sewer investigation we respond as follows: Laboratory Issues• Laboratory procedures-attached
are the ERMI procedures used on the project. • The QAlQC::. data was included in volume 2 of the report. Each laboratory result report included a quality control section. We are not
sure what else is needed. We made multiple phone calls to Lee Davis at DWU and were unable to contact him for clarification. Sampling Issues • RJN's written procedures for collection
and preservation ofsamples are attached. • RJN's written procedures for installation, calibration, and maintenance ofthe flow metering equipment during the monitoring period are attached.
With regards to the sampling locations we considered inserting a stinger in the flat section ofpipe in the meter vaults. However, when the minimum and maximum flow velocities were calculated
using our flow monitoring data for each site, we found the following: ! KELLER ACADEMY BRANCH SPRINGS MIN VELOCITY IN METER (flsec) 0.11 0.007 0.17 MAX VELOCITY IN METER (f/sec 0.56
2.70 0.81 These velocities are too low for representative sampling purposes. The maximum velocities at the Branch meter are acceptable but the diurual low flow velocities drop significantly
below 1 foot/sec. There will be no perfect or utopian sampling points because of the nature ofthe system and available 􀁾􀀧􀀠.. technology. However, there are good and better sampling
points. We would recommend that the sampling take place at the first manhole downstream of each meter. For the Branch meter this is the manhole at station 0+50.4 on line A (DWU plans),
the Keller Springs recommended sampling manhole is at station 0+85.29 on Line B (DWU 􀁰􀁾􀁡􀁮􀁳􀀩􀀬􀀠and the Academy recommended sampling manhole is at station 0+14.14 on Line C (DWU
plans). These are the sam.p ,li ng points that were used for the study purposes. Although;all three locations exhibited som¢;: surcharging during OUI , : . 
monitoring period, flow conditions are much better then upstream of the meters. The sampling tube at all sampling points should be set so that it does not rest on the bottom of the manhole.
According to the drawings, the outlet pipe invert is, in all instances, at least 1 foot above the manhole invert. We would prefer that the sampling tube be set at or slightly above the
outlet pipe invert. The low diurnal flows during our monitoring had depths of 1.75", 3.8", and 4.29" above the outlet pipe inverts respectively for Academy, Branch, and Keller Springs
sampling locations. In addition, the DWU suggestion about cleaning the piping immediately upstream of the meters should be implemented. It was also apparent during the meeting that some
of the DWU staff tookoffense to our observation about the sampling tube being located at the very bottom ofthe manhole. Unfortunately, we do not have pictures to back up our observations. We would suggest
that during the sampling periods your staff take date stamped pictures of the sampling setup in order to document the sample tube configuration on a daily basis during the sampling periods.
Should you need any additional information please let us know. Sincerely, FREESE AND NICHOLS, INC. J.R. Baddak:er P.E. 
􀁾􀁥􀁢􀀠 IS 01 10:2Ba RJ" GROUP, BUS. DEVELOPE 97-4631893 Addison, Te:os -Flow Monitoring and Sampling Procedures for colleding and preserving samples: RJN conected hourly samples at
each ofthe sampling points using American Sigma 900 portable samplers. Samples were collected from each ofthe three samplers, one time each day and transferred to the sample bottles
provided by ERMl ERMI provided bottles with the appropriate preser:vative included. !UN used containers (ice chest) provided by EMRllllid ensured the samples were iced at all times.
The samples were transported to EMRl immediately upon conection. Flow weighted samples were composited based on the flow monitoring results. The collection and preservation for flow
weighted samples t"QlIowed the procedure desaibed above. Flow Monitorinl!: RJN installed three American Sigma 9S0 portable flow meters, one at each ofthe three sites. The meters were
cahorated in the office and checked at the site performing a velocity profile using a portable velocity meter and taking a manual depth reading. The results were compared to the meter
readings. This procedure was performed daily during :sample collection. No alljustmcnt were made as the results ofthe manual tests verified the meters were working propedy during the
sampling period. Flow meter probes were cleaned each day to ensure proper measurements were being collected. . , 
.]. .. 􀁐􀁁􀁾􀁅􀀠 2 OF a BIOCHEMICAL OXYGEN DEMAND Method 405.1 (5 Days, 20"0 §TOREI' NO. 00310 . Carbonaceous 80082 1. Scope and Application 1.1 '. The biocbemical oxygen demand (BOD)
test is used for determining the relative oxygen 1 requirements ofmunicipal and industrial wastewaters. Application of the test to organic i""lste discharges allows calc:ulation of the
effect' of the discharges. on the oxygen •j resoun:es of the receiving water. Data from BOD tests are used for the development of engineerlngctiteria for the design ofwastewater treatment
plants. t 1.2 The BOD test is an empirical bioassay-type procedure which measures the dissolved ! oxygen COIl.'lumed by microb;al life while assimilating and oxidizing the organic: matter
present. The standard test conditions include dark incubation at 20'C for" speciilCd time I period (often, days). The acrual environmental conditions of temperature, biological' I population,
water movement, sunlight. lltId oxygen coneentration cannot be accurately ! reproduced in the laboratory. Results obtained must take into account the above factors I i when relating
BOD results to stream oxygen demands. 2. Summary orMethod 2.1 The sample of waste, or an appropriate dUution, is incubated for' days at 20'C in the dark. The reduction in dissolyed oxygen
concentration during the incubation period ,i " yields a measure ofthe biochemical oxygen demand. . . 􀁾􀀠 3. Coxmnents l 3.1 Determination of dissolved oxygen in the BOD test may be
made by use of either Ihe Modified Winkler with Full-Bottle Technique or the Probe Method in this manual. 3.2 Additional information relating to oxygen demanding characteristics of wastewaters
can be gained by applying the Total Organic Carbon and Chemical O"ygen Demand tests (also found in this manual). 3.3 The use of' 60 ml inCUbation bottles in place of the usual 300 ml
incubation bottles, in conjunction with the probe, is often convenient. 4. Precision and Ac:.curacy 4.1 Eighty-six analyst> in fifty-eight I4boratories analyzed natural water samples
plus an exact increment of biodegradable organic compounds. At a mean value of 2.1 and 175 mg/1 BOD, the standard deviation was ±0.7 and ;,26 mg/I. respectively (EPA Method Research
Study 3). 4.2 There is no 􀁾􀁴􀁡􀁢􀁬􀁥 procedure for determining the accuracy of'the BOD test. Approved for NPDES CBOD: pending approval for Section 304(h). CW A Issued 1971 Editorial
revision 1974 " 405.1-1 l : 
--':'t{\.'M ;.jH.ANL'A Ri:;AyAN 1\,) JIM SA.ODAKER PAGE 3 OF a -----iiii.ii.iii.... S. References 5.1 The proa:dure to be used for this determination is found in: Standard Methods for
the Examination of Water and Wastewater. 15th Edition. p. 483. Method 507 (1980). 5.2 Young. J. c.. "Chemical M<:thods for Nitrification Control." J. Water Poll. Control Fed .. 45. p.
637 (1973). :t ,'. 
fROM SHANOA REAGAN TO 􀀮􀀭􀁾􀀠 BA.OOAKER PAGE 4 Of a CHEMICAL OXYGEN DEMAND Method 410.4 (Colorimetric, Automated; Manual) STORET NO. 00340 ; . I. Scope and Application 1.1·. This method
covers the determination orCOD in surface waters, domestic and industrial wastes. 1.2 The applicable range oC the automated method 1s 3-900 mg/l and the range or the manual method is
20 to 900 mgt!. 2. SummaryofMethoa 2.1 Sample, blanks and standards in sealed tubes are heated in an oven 􀁯􀁾􀀠block digestor in the presence of dichromate at i50·C. After two hours,
the tubes are removed tram the oven 􀁾 digestor. cooled and measured spectrophotometricaUyat 600 nm. 3. Sample Handling and Preservation I, 3.1 CoUc::ct the samples in glass bottles
ifpossible. Use oC plastic con tainers is permissible ifit , is known that no organic contaminants arc present in the containers. I· ! 3.2 Samples should be preserved with sulfuric acid
to a pH <2 and maintained at 4'C until !. h,. analysis. ,. 4. Interferences ir, 4.1 Chlorides are qUl1ntitarively oxidized by dichromate and represent· a positive interference. Mercuric
sulfate is added to the digestion ·r:.ubes to complex the chlorides. 5. Apparatus t S.l Drying oven or block digestor, ISO"C 1., S.2 Corning culture tubes. 16 x l00mm or25 x IS0mm with
Teflon lined screw cap 5.3 Spectrophotometer or Technicon AutoAnalyzer 5.4 Muffle furnace::, SOO'C. 6. Reagents 6.1 Digestion solution: Add 10.2g K,Cr,07' 167 mlconc. H,SO.and 33.3 gHgSO,
to 500 ml ofdistilled water. cool and dilute to I liter. 6.2 Catalyst solution: Add 22 g Ag,SO. to a 4.09kg bottle of conc. H,SO,. Stir until dissolvcd. -6.3 Sampler wash solution: Add
500 ml ofconcH,SO, to 500ml ofdistilled water. 6.4 Stock potassium acid phthalatc: Dissolve 0.850 g iii 800 m1 ofdistilled water and dilute to I liter. I ml = I mg COD 6.4.1 Prepare
a series of standard solutions that cOVer the expected sample concentrations by diluting appropriate volumes of the stock standard. I 7. Procedure i 7.1 Wash all culture tubes and screw
caps with 20% H,SO, before their first use to prevent contamination. Trace contamination may be removed from the tubes by igniting them in a muffle oven at 500"C for I hour. Pending
approval for Section 304(h). CWA. Issued 1978 410.4-1 ; 
" If'RuM SliANOA REAGAI'If TO ltM BADOAt{ER PAGE S 01.' 8 7.2· Automated 􀁾􀀺􀀮 7.2.1 Add 2.5 ml ofs:unple to the 16 x 100 mm tubes. 7.2.1 Add 1.S mlofdigestion solution (6.1) aud mU..
7.2.3 Add 3.S ml ofcatalyst solution (6.2) carc:fu.Ily down the side ofthe culture tube. i. 7.2.4 Cap tightly and shake to mix layers. 7.1.S Process standards and blanks e.uctly as the
samples. 7.2.6 plAce in oven or block digestant 150"Cfor two hours . . ·7.2.7 'Cool, and place standards in samplc:r in order of dc:crcasing coneen tration. Complete lUling satllpler
tray with unkilown samples. 7.2.8 Measure 􀁣􀁯􀁬􀁾􀁲􀀠intensity on AutoAnaly.zer at 600 am. 7.3 Manual 7.3.1 The following procedure may be used if a larger sample is desired or a spectrophotometer
is used in place ofan AutoAnalyzer. 7.3.2 Add 10 mlofsampleto 25 x 150mmculture tube.. 7.3.3 Add 6 ml ofdigestion solution (6.1):and mix. 7.3.4 Add 14 ml of entall'St solution (6.2)
down the side of culture tube. 7.3.5 Cap tightly and shake to mix layers. 7.3.6 Place in oven or block digestor ILl 150"Cfor 1.hOUTS. 7.3.7 Cool. allow any precipitate to settle and
measure intensity in spectropnoto,neterat 600 om. Use only optically matched culture tubes or a single cell (or spectrophotometric measurement. 8. CalcullltioQ 8.1 Prepare a standard
curve by plotting peak height orpercint transmittance against known concentrations ofstandards. f • S.l Compute concentration ofsamples by comparing !l'UIlp\eresponse to standatdcurve.
9. I'redslonandA=y 9.1 Precision and accuracy data are not available at this time. Bibliognphy 1. Tuka. A. M .. and M. J. Carter, "Micro-Semi-Autollll1ted Analysis ofSw;face and Wastewaters
for Chemical Oxygen 􀁄􀁥􀁭􀁡􀁮􀁤􀀮􀁾􀀠Anal. Chern. 47: 1397. (197.5). 4.10.4-2 ; 
•• • •• • PAGE b Of S RESIDUE, NON-FILTERABLE Method 160.2 (Gravimetric, Dried at 103-105'0 STORET NO. 00530 1. Scope and Application 1.1 This method is applicable to drinking, surface.
and salille waters, domestic and industrial wnsles. 1.2 Thepractical range ofthedetern:lination is4mgll to 20.000mgll. 2. StUll1Ua.l'YofMethod ' 2.1 A well-mixed =1'10 is filtered through
a glass fiber filter. and the residue retained On the filter is dried to constant weisht at 103-1OS'C, 2.2 Theflltrate from this method may be used for Residue, Filterable. 3. Defmitions
3.1 Residue, non-filterable, is defmed as those solids which are retained by a glass fiber filter and dried to constant wcightat lOJ-IOSe. . 4. Sample Handling and Presel'Vation 4.1
Non-representative pamculates such. as leaves. sticks. fish. and lumps of fecal matter should be eXCluded from the Sam!'I .. if it is determined that their inclusion is not dcsiJ:t::d
in the final result. 4.2 Preservation of the sample is not practical; analYSis should begin as soon as possible. Refrigeration or icing to 4'C, to minimize microbiolOgical decomposition
of solids. is recommended. T .. ' 5. luterferences 5.1 Filtration appatatllS. filter material, pre-washing. post.washing. and cb:yi:ng temperature are specified because these variables
have been shown to affect the results. 5.2 Samples high ill Filterable Residue (dissolved solids), su.c:h as saline water,>. brines and some wastes. may be subject to a positive interference.
Care must be talcen in sele::ting the filtering apparatus so that ....ashing ofthe filter and any dissolved solids in the filter (1'.5) minimize> this potential interference. 6. Apparatus
' 6.1 Glass fiber filter discs, without organic binder, such as MilJipore AP-40, Reeves Angel 934-AH, Gelman type AlE. or equivalent. NOTE: Because of the physical nature ofglass. fiber
filters, the absolute pore size =not be controlled ormeasured. T e.t:Il1$ such as "poresize". coUe.::tion efficiencies and effective retention are used to define this property in glass
fiber filters, Yal)les for these parameterS vaty for the filt... listed above. 6.2 Futer support: filtering apparatns with reservoir and a coarse (40-60 microns) fritted disc as a filter
SlIPPOr!. ' Approved for N'PDES Issued 1971 '. 16Q.2-1 ., , I 
PAGE 7 OF 8 NOTE: Many funnel designs are available in glass or porcelain. Some of the most common are Hirsch or Buchner funnels. membrane filter holders and Gooch crucibles. All are
available with coarse mtted disc. 6.3 Suction flask. 6.4 Dryingove!l,103-10S'C. 6.5 Desiccator. 6.6 Analytical balance. capable ofweighing to 0.1 mg. 7. Procedure 7.1 Preparation of
gla.s3 fiber filter disc; Place the glass fiber filter on the membrane filter apparatus or insert into bottom of a suitable Gooch crucible with wrinkled surface up. While vacuum is applied,
wash the disc with three successive 20 ml volumes ofdistilled water. Remove all traces ofwater by continuing to apply vacuum after water ha3 passed through. Remove ruter from membrane
filter apparatus or both crucible and filter if . Gooch crucible Is used. and dry in an oven at 103-1OS"C for one hour. Remove to desiccator and store until needed. Repeat the drying
cycle until a constant weight is olJtained (weight loss is less than 0.5 mg). Weigh immedintely before use. After weighing. handle the fllter or crucible/filter with forceps ertongs
only. 7.2 Selection ofSample Volume For a 4.7 em dinmeter ruter. filter 100 ml ofsample. Ifwelght of captured residue is less than 1.0 mg. the sample volume must be increasedto provide
at least 1.0mg ofresidue. If other filter dinmeters are nsed. start with a sample volume"'lual to 7 mVcm' offilterarea and collect at least a weight ofresidue proportional t9 the 1.0
mg stated above. NOTE: If during filtration of this initial volutee'the filtration rate drops rapidly. or if filtration time exceeds 5 to 10 minutes, the following scheme is recommended:
Use an unweigbed glass fiber filter ofchoice a.ffu:ed· in the filter assembly. Add a known volume of sample to the filter funnel and record the time elapsed after selected volumes bave
passed through the filter. Twenty-five ml increments for timing sre suggested. Continue to record the time and volume increments until fitration rate drops rapidly. Add additional sample
ifthe filter funnel volume is inadequate to reacb a teduced ISte. Plot the observed time versus volume filtered. Select the proper filtration' volume as thatjust shon ofthe time a signlfiC3llt
change in filtration rate 􀁯􀁾􀁥􀁤􀀮􀀠 .' . 7.3 Assemble the filtering apparatus and begin suction. Wet the filter with a small'volume of distilled water to seat it against the fritted
support. . . 7.4 Shake the sample vigorously and quantitatively transfer .the pri:detefmined sample volume selected in 7.2 to the filter using a graduated eylinder. Remove all traces
ofwater by continuing to apply vacuum after sample has passed through. 7.5 With suction on, wash the graduated cylinder, filter. non-filterable residue and filter funnel wall with three
portions of distilled water allowing complete drainage b"tween washing. Remove all trace; of water by continuing to apply vacuum after water has passed through. . NOTE: Tota! volume
ofwash water used should equal approximately 2 ml per em'. Fora 4.7 cmfilterthe total volume is 30 ml:' ". 160.2-2 
AU'; .:.:.. ':'vvl) 11: v1 ERM! LABuAATIJR! ES FROM SHANDA R£AGAtf TO tIM BAODAKER PAGE 8 OF 8 S. ;:.6 Carefully remove the filter from the filter support. 'Altema.tiveJy. remove crucible
and filter from crucible adapter. Dry at least one hour at IOO-IOS'C. Cool in a desiccator and weigh. 􀁒􀁾􀁥􀁡􀀮􀁴 the drying cycle until II. COlllltant weight is obtained (weight lossili
less than O.Smg). Calculations 8.1 Calculate non-flIterable residue as follows: . (A -Non-fiIt_bl. reSIdue, mgli -BC)xl· 0 00 r, where: 9. A =weigbt ofrutet (or filter and c:rucible)
+ residueinmg B => weight orruter(orruter andcrucmJe) in mg C =ml ofsample filtered Pt'ecision and A.ccuracy 9.1 Precision data are not available at this time. 9.2 Accuracy data on actual
samples cannot be obtained. BibLIography :""; 1. NCASI Tec:hnical Bulletin No. 291. March 1977. NatioI}aJ OSuncil orthe Paper Industry for Air and Stream Improvem<:nt. Inc.., 260 Madison
Ave., NY. \•, '. 160.2-3 \ 
F.eb 19 01 10:28a R'''l GROUP. BUS. DEVELOPE S" 4631893 p.3 EHective Date: Mav30,1996 SubJect Method: ERMI Approved 􀁦􀀺􀁴􀀮􀁾􀀠 By OAM: Sample Log-ln Page: 1 of 18 Approved Sy LM: Revision:
6-6-96 Detection Limit: See Appendix B Sampling, Containers, 􀁾􀁦􀀿􀀨rtJI rIll u􀁾􀀠􀁲􀁬􀀬􀁾 Preservations, Holding Times; See Appendix G FEB 1 6 2001 II 1.0 GENERAL DISCUSSION fRMI
is an environmental chemistry laboratory. The results of nearly all the analyses we perform are used to satisfy some regulatory requirement imposed by federal, state or local environmental
agencies. Because of this, our results are sometimes scrutinized in regulatory proceedings or in courts-of-Iaw. Therefore, they must be appropriate for the purpose intended and defensible.
To meet these criteria, samples must be handled and analyzed according to certain regulatory agency protocols, usually EPA, and complete records stored for easy retrieval. These records
must demonstrate appropriate handling and analysiS protocols were used and substantiate the results obtained when they are questioned. Se very careful of customer samples. Very often
they are one-of-a-kind and cannot be replaced or can only be replaced at great expense. Also, some samples contain pollutants that produce obnoxious odors, unhealthful fumes, are corrosive
or ignitable or have some other undesirable or dangerous property. Handle them with great care and do not drop or break them. Sample log-in is the initiation of the sample analysis process
and is one of the more critical steps. During log-in. the chain-of-custody for the sample is signed officially receiving the sample into the laboratory, analysis parameters and methods
of analysis are definitively determined and aSSigned to the sample, samples are checked to ensure they have been preserved appropriately for Ihe desired parameters, a unique laboratory
identification number is assigned to the sample and the sample and list(s) of parameters to be analyzed are transferred to the laboratory for analysis. It is not at all unusual for customers
not to know exactly what they want or need to analyze from a particular sample. For example, a customer may need to determine if their waste is hazardous but not know this requires tests
for reactivity. corrosivity, 19nitabifity and toxidty analySis using TCLP methodology or the various analyses making up these testing procedures. However, with our experience and knowledge
of environmental regulations, we are usually successful in helping customers make these type of determinations. This Is part of the standard service we offer. , , 
Feb 19 01 10:29a R . GROUP, BUS. DEVELOPE 9 4631693 p.4 Effect/ve Date: May 30, 1996 Subject Method: ERMI Approved By QAM: (J;lC Sample Log-ln Page: 20(18 Approved Revision: 6-6-96 By
LM: Almost all environmental chemistry parameters are very lime sensitive (must be analyzed within a specified holding time or period from the time of sample collection). As well, they
require certain preservation techniques unique to the sample matrix (water, soil, sludge, biological tissue etc.) being tested to stabilize the parameter(s) of interest and to keep them
from degrading. It is critical that samples be preserved in the appropriate manner and they be analyzed within the appropriate holding period specified by the EPA or regulatory agency
requiring the analysis. Results of. analyses from samples not preserved in the appropriate manner andlor not analyzed wIthin stated holdIng times are not acceptable to satisfy regulatory
requirements. A good practice in an environmental chemistry laboratory, and one required by EPA, EPA, is "blind sample analysis." Blind sample analysis is the assigning of a unique identification
number to a sample and cross-referencing this number to the customer. In this way, the sample is tracked throughout the laboratory and analyzed without analysts knowing who the customer
is or what sample location it came from. In this way, biases in the analyses aSSOCiated with this knowledge are averted. Log-in is comprised of the following tasks: Officially accepting
the sample for Ihe laboratory by signing the chain-ot·custody, initiating a Reid Data Form and documenting the date and time this was done, as appropriate, on each of the forms. Also,
at the time of sample receipt. part of the login process is determining the customers turnaround time expectations and desires and ensuring these can be accomplished for the submitted
samples. If the customer is new to ERMI, determining a method of payment for the first sample submission and providing a credit application to them if they will be repeat customers Is
Is also considered a part of the log-in process. Determining the parameters of analySiS, analysis methods and detection limits required for each sample based on the specific environmental
regulation(s)' being addressed. Determining and documenting on the Sample Preservation Form whether each sample has been correctly preserved for the type of analyses requested and the
matrix of the sample and arrived In the proper sampling container . . , Assigning a unique laboratory sample identification number 􀁴􀀮􀁯􀁥􀁡􀁾􀁨􀀠sample and cross referencing this number
to the customer, sample location, date and time of sample collection, etc. 
9 p.5 po F.eb 19 01 10:29a R 'GROUP, BUS. DEVELOPE 4631893 Effective Date: Mav30,1996 Subject Method: ERMI Approved By QAM: 􀁐􀁾􀁥 Sample Log-In Page: 30118 Approved By LM: Revision:
6-6-96 Preparing laboralory work orders 10 advise Ihe laboratory of the analyses required on each sample and 10 provide a vehicle for the laboratory to transmit the analysis results
to the Customer Service area for report preparation. Delivering the sample and work orders to the laboratory. 2.0 INTERFERENCES Interferences are not a consideration during log-in since
no specific chemical analyses are performed during this process. Great care must be taken at this time, however, to ensure that samples are not contaminated or cross contaminated with
each other by introducing utensils or media into the sample when preservation levels are checked. You must be assured that anything (pH paper) introduced into the sample container is
analytically clean or contamination may occur. If you have any doubt whatsoever, clean the item appropriately before introducing It. The quantities of the parameters analyzed for in
the laboratory are extremely small and any contamination of the sample with other sample materials such as soil, sludge, sample water. industrial chemicals, etc. could alter the analysis
results. The following should be avoided due to potential contamination: Nail polish remover near samples. Do not spray cleaning agents or disinfectants in the area of open samples.
Do not physically touch samples (I.e. Na analysis). 3.0 APPARATUS Apparatus required for sample log-in includes computer, protective gloves, safety glasses, laboratory coat, pH paper,
Sharpie markers, sample labels, color coded labels, ink pens, sample cart and the various forms and logs used to document information as described more fully in the following sections.
4.0 REAGENTS No reagents are used In the log-in process. If a sample is not Pleserved upon receipt, it should be properly preserved by log-in personnel, Field 􀁓􀁥􀁲􀁶􀁾􀁣􀁥􀁳􀁾􀁲􀀠by
personnel from the laboratory where the sample or sample aliquot will be analyzed.:: 
· 􀁾􀁥􀁢􀀠 19 01 IO:29a 􀁒􀀧􀁾􀀠 GROUP, BUS. DEVELOPE 􀀹􀀭􀁾􀀠 4631893 p.6 Effective Date: May 30, 1996 Subject Method: £RMI Approved 􀁑􀁉􀀮􀁾􀀠 Bv QAM: sample Log-/n Page: 40f18 Approved
By LM: Revision: 6-6-96 5.0 PROCEDURE 5.1 Sample Receiving Samples are delivered to the laboratory in a number of different ways. Some of these are: customer walk-ins, ovemight services
such as Airborne, Federal Express and Lone Star, Greyhound bus, U.S. Postal Service, United Parcel Service and Roadway Package Service, trucking companies, air parcel or freight and
ERMI personnel. Samples delivered by ERMI personnel include those picked up at the Greyhound bus station and airports, from customer locations and those collected by Field Services employees
themselves. All samples must be kept in the container (cooler, box, etc.) they were delivered in until it is time to check the sample containers and preservation levels. Do not attempt
to fog-ln more than one submission ofsamples at a time. This will ensure customer samples are not mixed up during the log-in process. When multiple submissions are received from separate
customers, it is necessary to prioritize the log-in of the samples based on holding times, turnaround time requested and condition of samples upon arrival. Deficiencies must be noted
on the Sample Preservation Documentation sheet for inclusion on the customer report (Le. received out of holding time or not enough sample). Samples are received into the laboratory
by signing the chain-of-custody for the submission, completing the Field Receiving Information on a Field Data Form (Appendix A) and documenting the date and time this was done at the
appropriate locations on the two (2) forms. If no chain-at-custody was provided with the submission, initiate one using ERMl's Chain-of-Custody form (Appendix A). Note that for samples
brought to the laboratory by ERMJ personnel, the Field Receiving Information provides for documentation of transfer of the samples from Field Services personnel or other ERMI personnel
to the laboratory. As well as documenting the transfer of samples, the Field Data Form serves as a point of attachment for all laboratory information generated for the submission keeping
it in one location for report preparation and later, filing in the customer's project folder. Review the chain-of-custody to ensure all information is legible and complete. A telephone
number must be provided for a contact to answer questions about the samples should they develop, an address to send the completed report and invoice to, a fax number if the report. and
invoice are to be faxed, a purchase order number for billing purposes, descriptive information on the project and samples the customer 
F.eb 19 01 10,30a R' 'GROUP BUS. DEVELOPE 9' 4631893 p.? ! ' Effective Date: May 30, 1996 Subject Method: ERMJ Approved By QAM: Ptc-Sample Log-In Page: 50f18 Approved By LM: Revision:
6-6-96 would like included on the final report, the name of the person who collected the samples, the date and time the samples were collected, notation as to what the customer's expected
and desired tumaround time (TAT) are and the parameters of analysis. All of this Information Is essential and must be documented upon receipt of the samples. If this information is not
on the chain-of-custody or in the customer's project file, it must be gleaned from the individual delivering the samples or from the provided or known customer contact. All customer
contacts must be documented on a Communications Form (Appendix A), a copy of this form placed in the customer file and copies routed to all Individuals with a need to know. Copies must
be delivered promptly so any necessary actions can be rapidly taken. Know and be sure of the customers' TAT expectation, be sure we can meet them and contact the customer for Instructions
ifwe cannot/If the customer is new to ERMI, method of payment for the first submission of samples must be determined. New customers andlor customers' with questionable credit ratings
may pay for the services provided in advance when they submit the samples, upon receipt of the final report or according to fRMl's payment terms upon credit approval. The time to complete
the credit approval process after receiving the completed application depends upon how quickly the listed credit references respond to standard information inquiries. Also, if the customer
is new to fRMI, document how they found out about us, which laboratory they were using previously and why they changed on a communications form and route it to the President and the
Business Development Manager. If they were referred by an existing customer, we will want to contact that customer and thank them. If Ihey were drawn to ERMJ though our Business Development
efforts, we would like to know by which method to enable us to evaluate our marketing and sales techniques. 5.2 Parameters ofAnalySis fRMl's and most customers' chain-of-custody forms
provide space for recording what parameters are to be analyzed from each sample submitted. It is incumbent upon us to ensure that we understand what parameters the customer wants to
analyze from each sample, what detection limits are required and, il necessary, determine which methods of analysis are appropriate to meet these needs. Often, customers have their own
acronyms or jargon for certain analyses which may be different from ours or those generally accepted. As well, the customer may know they need to analyze the sample for a particular
parameter or ,suite of parameters but not know what method of analysis should be used or the detection limit(s) required to 
feb 19 01 10:30a 􀁒􀁊􀁾􀀠 GROUP, BUS. DEVELOPE 􀀹􀁾􀁾􀀠4631893 p.8 Effective Date; Subject Method: fRMJ May 30, 1996 Approved 􀁐􀁩􀁾􀀠 Sample Log-in Page: 60f18 By QAM; Approved Revision:
6-6-96 By LM: satisfy the regulation being addressed. If any of this infonnation is unclear from the documentation provided with the samples or project, make no assumptions, contact
one of fRMI's technical personnel and/or the customer for further guidance before proceeding with the log-in processl Be absolutely sure of what the customer wants and document this
on a Communications Form if it was necessary to contact them! If verbal instructionsregarding the sample are given, note them on the Chain-of-Custody and initial and date this information and indicate who gave these instructions. One of the more frequent detenninations
required during the log-in process is what method of analysis must be used to meet the customers needs. Most customers are not environmental chemists and they depend upon us to make
or help them make make the right decision. The single factor most influencing this decision is what regulation(s) the customer is addressing with the analyses from the samples, RCRA
or solid waste, Clean Water Act, Safe Drinking Water Act and/or Clean Air Act regulations. Each regulation calls for analyses using methodologies specific to that regulation. For example,
metals in a water sample are analyzed by method 200.7 to address Clean Water Act regulations and by method 6010 to address RCRA or solid waste regulations. Within these categorias, there
is often a choice 01 methods that can be applied depending upon the detection limit requirements necessary to satisfy the regulation. Lead for example can be analyzed by method 200.7,
ICP, yielding a detection limit of 0,01 mg/I to satisfy Clean Water Act requirements but must be analyzed by fumace using method 239.2 to obtain a detection limit of 0.001 to satisfy
Safe Drinking Water Act requirements. For purposes of the Clean Air Act, lead must be analyzed by flame AA using method 239.1 which has a detection limit of 0.1 mg/1. As you can see,
it is Imperative to know the regulation being addressed to make the proper detennination of which method(s) is appropriate for the analysiS. Making this more difficult is the fact that
customers do not always know what regulation is being addressed. They may only know they are trying to detennine if the waste is hazardous, whether they are out of compliance on their
wastewater discharge or whether their water is safe to drink. This type of infonnation is a definitive clue as to what regulation the customer is addressing and, therefore, what methods
of analysis and detection limit requirements must be met to satisfy their needs. Knowledge of the various environmental regulations, the regulatory limits imposed by them and the sample
analysis capabilities 01 the laboratory is very important. Infonnalion on the methods of analysis and detection limits for each parameter analyzed by ERMI is presented in Appendix B.
The infonnation Is grouped by labOratory of analysis (Metal, Wet, GC and GC/MS) and regulation. . , 
. 􀁾􀁥􀁢􀀠 19 01 10:31a 􀁒􀀧􀁾􀀠GROUP, BUS. DEVELOPE 􀀹􀀭􀁾􀀠 4631893 p.9 Effective Date: Mav30, 1996 Subject Method: ERMI Approved By QAM: PiJ! Sample Log-In Page: 70118 Approved By
LM: Revision: 6-6-96 If an unfamiliar organic parameter is requested there are various sources to obtain information from -the on-line Chem·Crosser program, the Merck index and Similar
reference books located in the semivcilatile laboratory, regulatory publications in fRMI's library, etc. Do not guess what something is, verify it. 5.3 Sample Containers and Preservation
After determining what parameters are to be analyzed from each sample, remove all samples from a particular customer's submission. Place the samples on a work surface where only samples
from the submission being logged-in are present. Arrange the samples as ordered on the chain-ot·custody and verify the label against the information on the chain-of-custody. A sample
can be comprised of one or a number of different containers with each containing a subsample or sample aliquot (a representative portion of sample). This is necessary because each parameter
or group of parameters must be placed into a container of the appropriate type, preserved in a specified manner, capped with a specific type of lid and analyzed within a specified holding
period. Holding period Is the time from sample collection until initiation of the analysis, completion of the analysis, or completion of a specific part of the analysis as specified
in the pertinent regulation. Generally speaking, all chemical parameters begin to degrade or change form from the time they are collected. Some parameters can be stabilized for a period
of time using various chemical agents and/or cooling but this only retards the degradation or change. It does not stop it. There is still a finite period during which time the analyses
are considered acceptable. It goes without saying then, the sooner a sample is analyzed the better. If samples are not analyzed within the appropriate holding period. the results of
these analyses are not acceptable for satisfying regulatory requirements. Knowing the parameters to be analyzed, check each sample or sample aliquot 10 ensure they are in the correct
type of container and are preserved in the manner specified by the regulation. Document your findings for each sample on a Sample Preservation Documentation form (Appendix A). Information
on the correct sample container and lids, preservatives and holding times are presented in Appendix C. Almost all parameters require cooling the sample to 4·C as one or part of the appropriate
method of preservation. A few exceptions to this are samples for analysis of metals, chloride, hardness and fluoride or solid waste samples for all . , analyses where the physical or
chemical character of the sample is changed upon cooling. It is not necessary to cool these parameters and typel!.' of samples. If the sample was received on ice. make this notation
on .the Sample Preservation 
Feb 19 01 10:31 .. R... •• GROUP, BUS. DEVELOPE 97" 4631893 p. 10 Effective Date: Mav30,1996 Subject Method: ERMI Approved By QAM: Pit Sample Log-in Page: Bof18 Approved By LM: Revision:
6-6-96 Documentation form. It is assumed the sample(s) was appropriately cooled if it arrived at the laboratory on ice. This is because some samples collected a short distance from the
laboratory may not be chilled to 4"C upon arrival at the laboratory but they were placed on ice immediately after collection and cooled such that this criteria probably would have been
met if left long enough. If a sample is not cooled upon arrival and it should have been, make a notation at the bottom of the Sample Preservation Form to this effect. Check the pH of
each sample or sample aliquot (exclusive of VOA vials, samples known or suspected to require special handling, samples for solid waste or air analysis, soil and sludge, or samples customers
have requested not be opened until time of analysis) using pH indicator strips to assess whether the pH level is Indicative of a correctly preserved sample or a sample that should not
have been preserved (BOD, TSS, Chloride, etc.). It Is important to remove the lid from only one sample container at a time to ensure the lids are not mIxed up and put on the wrong container.
This could cross contaminate the sample(s) and invalidate or result in erroneous results. Document these findings in the pH column on the Sample Preservation Documentation form for each
parameter or parameter group. It is not necessary to determine the exact pH, only whether the sample was below or above the necessary pH. Record the sample number(s) (Section 5.4) on
the form and check it thoroughly for completeness. Immediately sign the form and record the current date and time. 5.4 Sample Identification Number A unique sample identification number
is assigned to each sample. This sample number is a consecutive number maintained in the sample log (Appendix A). Each sample is treated individually to prevent labeling the wrong sample
wiih the identifying number.' Select the first sample on the submission chain·ol·custody. Select the next unused consecutive number from the Sample Log and assign the number to this
sample. This is done by recording the customer name, project number, date received. sample description and due date lor the sample in the Log on the line or row corresponding to the
sample number and by writing the number beside the description for the sample on the submission chain-ol·custody. Also included on each line in the Log is a break out of parameters by
laboratory and a notation of how the sample arrived at the laboratory. . , 
Feb lS 01 10:32a 􀁒􀁾􀁾􀀠GROUP, BUS. DEVELOPE S-' 4631893 p.ll Effective Date: Mav30,1996 Subject Sample Log-In Method: ERMI Approved (J:1􀁾􀀠 Page: 9ot18 By QAM: Approved By LM: Revision:
6-6-96 Label the sample container wilh the sample identification number. Write the number in the appropriate place on the existing container label or. in the absence of a label, write
the number on an ERMI container label designed specifically for this purpose and affix it to the side of the sample container(s). Be very c;areful not to deface any information on the
customer label during this process. The sample number should also be written on the lid of each container using a Sharpie marker or a plain white label. Containers are often cold and
wet making them difficult to write on or label. Wiping the container with a paper towel just prior to labeling often helps. If the container has moisture on the outside when you are
trying to write on it, the Sharpie marker will absorb moisture and not write or will write improperly. Touch the end of the marker 10 a dry paper towel several times making ink blots
on the towel. This will retum the flow of ink and the pen should work properly again. Make sure the sample Identification number is clearly legible and labels are tightly affixed. This
is the only means of identifying the sample after log-in. There are three (3) special cases that affect how a sample is labeled. These are when a sample has a RUSH TAT, when a sample
has a short holding time (48 hours or less). andlor when a sample is to be analyzed for what we refer to as "low level" parameters. Sample analyses requiring RUSH tumaround times and
those that have short holding times are labeled with a fluorescent red or rediarange label so they are easily identified as samples with quick TATs. Samples requiring low level analyses
are labeled with a fluorescent yellow label for this same purpose. A sample can have three different labels: a customer label, a red RUSH or short holding time label and a yellow label
for low level analysis. If a sample has a special hazard associated with it, contact the Safety Officer for proper handling and special log-in procedures. After completing one sample
proceed to the next following the same procedures until all samples in the submission have been logged-in. In the case where limited sample volume is encountered and the sample must
be subsampled for various parameters or laboratories, contact the inorganic or organic team leader or the QA Manager for assistance. In the case where an unpreserved sample is received
and the sample must be analyzed for parameters thai must be preserved in different ways, contact the applicable inorganic or organic team leader or the QA Manager. 5.5 Work Order Preparation

Feb 19 01 10,32a R... • , GROUP, BUS. DEVELOPE 􀀹􀁾􀀧􀀠 4631893 p. 12 Effective Date: May 30, 1996 Subject Method: fRMJ Approved By QAM: P:Lt $ample Log-In Page: 10of18 Approved By LM:
Revision: 6-6-96 An Analytical Sel'Vices Work Order is a form comprised of one or more pages of descriptive information to tell the analysts what parameters are to be analyzed from each
sample. One work order is prepared for each individual sample for each laboratory (Metals, Wet, GC and GCIMS laboratories) that will participate in performing the analyses required.
Customer and location specific work orders are already prepared for current customers and for all the typical analyses performed. Only work orders signed by the President should be used.
Custom work orders are used for new customers requiring special combinations of analyses or current customers requiring other than their or our standard analyses. Appendix A contains
an example of the Analytical Services Work Order form. Work orderS are completed by recording the sample identification number and due date or to be completed by date for the sample
at the top of the form. The standard TAT for most parameters is four (4) working days. Exceptions to this are samples for 􀁂􀁏􀁾􀀮􀀠TCLPs, seven (7) day leachate and BTEXtTPH analyses.
The TAT for BODs and TCLPs is five (5) working days. for the seven (7) day leachate test about 12 to 15 working days (check with the inorganic supervisor to determine a reasonable due
date upon receipt of these samples) and for BTEX/TPH 48 hours. All samples except BTEXITPH and RUSH samples are counted as being received the next day if they are received after 2:00
PM in the aftemoon by ERMJ personnel. If the samples arrive after 2:00 PM at the laboratory but were received earlier in the day by Field Services or other ERMI personnel. the TAT begins
from the earlier lime. Under parameter. list the parameters of analysiS to be analyzed from the sample In the order in which they will appear on the report. This order is the same order
the parameters are presented in the publication "Methods for Chemical Analysis of Water and Wastes' EPA-600l4-79-020, revised 1983 with the exception of physical characters which are
always listed last. A copy of the table of contents of this document is presented in Appendix 0 for referral. List the desired method of analysis and detection limits in the corresponding
location on the form for each parameter. RII in the box at the bottom of the form corresponding to the laboratory where the work order will be delivered. Note the other laboratories
where analyses will be performed on the same sample by placing an X in the box beside the laboratory name. Indicate the matrix of the sample by circling one or more of the classifications
under sample description or write in the matrix after ·othel" if none of the listed matrices are suitable. Any information on bazards associated with handling the sample should be noted
under comments and made very obvious with a brightly colored highlighter. 
Feb is 01 10:33a 􀁒􀁾􀁾􀀠GROUP, BUS. DEVELOPE S-' 4631893 p.13 ERective Date: May30,1996 Subject Sample Log-in Method: ERMI Page: 11 of 18 Revision: 6+96 Approved By QAM: Pttn. Approved
􀁂􀁾􀀠LM: Any special instructions for processing the sample should be documented in the "Special Instruction" location on the form. On the work order note whether the sample was receiVed
out of holding time in the comments section. Also note the NLT (no later than time) for parameters with short holding times -turbidity. 800. nitrate, coliforms, etc. After completing
the work order. carefully check it over to be sure all instructions and documentation are complete and legible. Note: The work order Is the vehicle used by the laboratories to report
the results of their analyses and other Information to Customer Service for report preparation. Certain circumstances and parameters dictate some modification or exceptions to the above
procedures. When samples with RUSH TATs are to be analyzed, a bright orange work order is used. If the work order is multi-page, it is only necessary that the top page of the work order
be prepared on orange paper. The remaining pages can be the normal white paper. Again, the purpose of the colored work order is to alert individuals in the laboratories that these analyses
are RUSH and must be processed quickly. When samples for pH, BOD, nitrate, hexavalent chromium and others with short holding times. or TPH are logged in, a special label is affixed to
the work order to provide a place for the analyst(s) to sign for the sample in recognition the sample was brought into the laboratory and delivered to him or her. Because semivolatile
organics, pesticides and herbicides are prepared in one location and analyzed in another, a copy of the first page of all of these work orders is made. The Original goes to the preparation
laboratory and the copy to the instrument laboratory. After the sample is prepped, the original work order and the sample are transferred by laboratory personnel to the instrument laboratory
and the copy of the work order is replaced by the original and the copy discarded. . Upon completion of the log-in process for a submission, the chain-of-custody, the completed Sample
Preservation Documentation fonn and any information regarding the submission are stapled to the Field Data Fonn. Unless the individual completing the log In process has considerable
experience, this package must be reviewed for clarity and completeness by someone other than the individual logging in the samples. 1:,' 
· Feb is 01 10;33a 􀁒􀁾􀁾􀀠GROUP, BUS. DEVELOPE S-46316S3 p.14 Effective Date: May30,1996 Subject Method: ERMJ Approved fJ,,-C, By QAM: Sample Log-in Page: 12 of 18 Approved By LM: RevIsIon:
6-6-96 Occasionally we receive samples to be analyzed for parameters that we do not perform such as asbestos, radioactivity, etc. These parameters are subcontracted to a third party
laboratory. A file is maintained in the Log-In area of the current laboratories we subcontract to. Check with the Customer Services Manager to verify which laboratory to use. When such
a sample is received, a Subcontracting Chain-ofcustOdy is completed with all applicable information including a request to fax data to ERMI upon completion. The only exception in requesting
the information to be faxed is whole effluent toxicity data; these reports are quite lengthy. Examples are in the file for each subcontract laboratory. The COC is relinquished to the
Field Service technician transporting the sample. If there is no information on the sample to identify our customer or give unnecessary information to the third party laboratory, the
original container we received the sample in may be sent to the sublab. Clearly put the ERMI sample number on the container and on the lid of each sample to be transported. If it is
necessary to subsample the sample, contact the inorganic or organic team leader or the OA Manager for assistance. Unless the sample is dried paint, drywall, etc., it must be refrigerated..Samples
not needing refrigeration may be placed on the Log-In counter along with the completed COC while awaiting transport. Place all sublaboratory samples needing refrigeration on the top
left hand shelf in the organic prep laboratory. At the end of each day Field Data forms, along with all attachments, are filed numerically in the ·Samples In-House" file in the Customer
Service area. Also at the end of each day, a count is made of incoming samples (excluding O.C. samples) for the day and the number written on a post-it note and given to the President.
5.6 Wastewater Work Orders Most monthly wastewater samples are composite samples collected over a 24-hour period. Specific parameters such as volatiles, cyanide and oil and grease must
be collected as grab samples and are In-house before the composite portion of the sample. Field Service technicians collecting these samples will request sample identification numbers
after the sampler Is set out if it contains grab sample parameters. If there are no grab samples, the Field Service Technicians will request a sample identification number after the
complete sample is in-house. Occasionally. due to sampler malfunctions or other problems, a sample is It0t collected and the sampler must be reset. By waiting until the sample is in-house,
voided sample numbers can be avoided. ' 
􀁾􀁥􀁢􀀠 19 01 10:34a RJNGROUP, BUS. DEVELOPE 97·4631893 p.15 Effective Date: May 30, 1996 SubJect Method: ERMI Approved By QAM: PiL Sample Log-In Page: 130f18 Approved By LM: Revision:
6-6-96 When the work orders containing grab samples are completed. they are placed in the "Grabs Here -Composites There" liIe in the Log-In area. This means the grab portion of the sample
will be in-house before the remainder of the sample. When the complete sample is In-house, the Field Service technicians will retrieve these work orders and place them into the appropriate
laboratory work order books or. for the Wet Lab, in the appropriate hanging files on their wall. At this time they complete the Field Data Sheet and relinquish it to Log-In personnel.
Log-In personnel then signs and puts the date and time on the Field Data Sheet. Check to make sure the Field Service technicians have written the due date in yellow hiliter in the upper
right hand corner of the Field Data Sheet. Also check to be sure a pH was collected and it is within regulatory limits --generally between 6 and 10.5 but varies from city to city. If
the pH is not within these limits, a second pH must be collected. In the Sample Log Book, the samples are considered in-house the next working day following collection. Example: If a
sampler is set out on Monday to collect a composite sample but is not in-house until late Tuesday afternoon, it would be considered In-house on Wednesday. This allows the laboratory
personnel adequate time to complete the requested analysis. The Field Data Sheets contain the information used to program the automated samplers. The Model 800 Sigmas have a feature
that allows information to be downloaded via a data device and printed out by the Field Service technicians. This information is then attached to the Field Data Sheets and contains valuable
quality control information such as missed samples, date and time the samples were collected, etc. Discrepancies or any problems noted with sample collection should be reported to the
Customer Customer Services Manager. 5.7 Sample Distribution After completing all work orders, the samples are transferred to a cart and the aliquots distributed, as appropriate, to the
various laboratories. Each laboratory has it own storage refrigerator for samples. The shelves of each refrigerator are labeled with the parameters to be stored on them. The exceptions
to this are the Metals laboratory and samples for BOD analysiS. liquid samples for metal analysis do not require refrigeration so they are stored on a shelf for this purpose in the digestion
or sample preparation area within the Metals laboratory. Soil alJd sludge for metals analysis, however, do require refrigeration. These are maintained In the refrigerator in the volatile
organic instrument laboratory. Upon delivery to 􀁴􀁨􀁾􀀠Wet Laboratory, BOD samples are placed on the work surface in the laboratory where the analysis is 
p.16 -'.:-.... Feb 19 01 10:34a RJN GROUP, BUS. DEVELOPE 􀀹􀀿􀁾􀀠 4631893 Effective Date: May 30, 1996 Subject Method: ERMI Approved By QAM: P:J!..L Sample Log-in Page: 14 of 18 Approved
By LM: Revision: 6-6-96 performed and the analyst signature to that effect obtained. BOD samples have a red labeled area in the refrigerator for after hour placement of samples. When
delivering samples to the laboratOries. deliver those requiring volatile organic analyses to this laboratory first. Never take volatile organic samples into the Organic Preparation or
Wet laboratories. These laboratories use methylene chloride, chloroform, acetone and other volatile chemicals tor sample extraction and glassware decontamination which can easily infiltrate
and contaminate samples even with the lids tightly secured. These solvents are some of the parameters analyzed for in the volatile laboratory. Upon delivery of the samples to each laboratory,
put the work orders for each laboratory in their work order book. The exception to this procedure is the Wet Laboratory where work orders are placed in the appropriate section in the
hanging files just inside the Wei laboratory on the east side. Wet Laboratory personnel will place the work orders in their book. Arrange the work orders in the books such thaI the largest
sample identification number is the first page of the book when opened. The exception to this Is volatile organics where new work orders are placed last in the work order book at the
analyst request. 6.0 CALCULATIONS No specific calculations are required for the sample log-in phase of sample processing. Remember, TATs are based on working days. not calendar days.
7.0 SOIL AND SLUDGE MODIFICATlONS No modifications other than those listed above are required to log-in soils and sludges, No preservative other than cool to 4°C is required for these
sample matrices. Soils and sludges for metals analysis are stored in the volatile refrigerator and should be put there first before delivering other samples on the cart to other laboratories.
8.0 QUALITY CONTROL All log-in documentation is checked for clarity and completeness and verified by a second individual knowledgeable and experienced in the log-in process. , S.O SAFETY
AND HYGIENE 
Feb 19 01 10:35a RJN GROUP, BUS. DEVELOPE 9?1 4831893 p.17 Effective Date: Subject May 30, 1996 Method: Eft""1 Approved 􀁦􀁊􀁾􀁊􀀮􀀧􀀺􀀬􀀠 Sample l.og-in Page: 15 of 18 By QAM: Approved
Revision: 6-&-96 By l.M: Safety relates to both the safety of log-in and surrounding personnel and to the safety of customers' samples while under the care of the log-in personnel. Safety
and proper hygiene must be foremost in the minds of all sample log-in personnel when handling,samples or working in the log-in area. All samples have the potential to contain some sort
of contaminant at high concentrations or at levels deleterious to your health and/or physical well being. In addition, sonie samples are preserved and are therefore acidic or basic.
It is our business to measure the concentrations or characteristics of certain of these contaminants. As well as the contaminants we normally think of, some samples may also contain
bacteria, viruses or other disease causing agents along with the chemical contaminants we may suspect. For these reasons, It is imperative log-in personnel wear the supplied proper personal
protection eQuipment. be knowledgeable with regard to the safe handling of samples. know how to handle the safety equipment in their area and use it properly and maintain good personal
hygiene practices. Be careful with the pH paper after checking the sample and dispose of it properly. Proper safety attire for log-in personnel is safety glasses, latex or vinyl gloves
and a laboratory coat. These items must be wom when in the log-in area. Bare or exposed skin should be minimized when working with samples. Cloth, tennis or open style shoes should be
avoided. No eating or drinking is allowed in the log-in area and hand to mouth, eye, face or bare skin should be avoided when working with samples or when samples are in the log·in area.
When log-in is completed, immediately wash your hands and any bodily area that was splashed or came into contact with sample using the antibacterial soap provided in the rest rooms and
at other locations throughout the laboratory. Advise the Safety Officer of any rash or irritation or other adverse effect from coming into contact with a sample. Wash your laboratory
coat frequently, at least once a week. The safety of samples is a concem whenever they are handled. Always work wlth one sample at a time and make sure the lid is on tight and your hold
is secure. Always work with samples over a work surface and make a conscious effort to minimize the distance the sample is held above the surface to decrease the potential for breakage
should the sample slip and fall. Store all samples securely when they are transported on the laboratory cart and pay particular attention when crossing the bumps caused by the union
of carpet and tile between the laboratory and offices. In no circumstance Is a sample to be carried by hand to the laboratories, they should always 􀁢􀁾􀀠in a crate or on the laboratory
cart for secondary spill containment. 
p.18 -. 􀀧􀀭􀀧􀀭􀀭􀁾􀁾􀀠 􀀭􀀭􀀮􀀭􀀭􀀮􀁾􀀠􀁾􀀭 􀀭􀀭􀁾􀀭..􀁾􀀭􀁾􀀮􀀭􀁾􀁾􀀭􀀭􀀭􀀭􀁾􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀧􀀠 ,Feb 19 01 10:35a 􀁒􀁾􀁍􀀠GROUP, BUS. DEVELOPE 97-4631893 Effective Date: May 30, 1996
Subject Sample Log-ln Method: Page: Revision: ERMI 16 of18 6-6-96 --Approved Pie B.l' QAM: Approved By LM: 10.0 WASTE DISPOSAL No waste other than used pH strips and normal office waste
is generated during the login process. These can be discarded in the regular office trash receptacles and disposed of in the dumpster. 11.0 CLEAN UP AND MAINTENANCE A clean, well organized
work area is essential for safety purposes and also projects a professional image to our customers, minimizes the potential for inadvertently contaminating samples, promotes smooth and
efficient work since the area is free from clutter and demonstrates the genuine concern log-in personnel have for the importance of and factors affecting their particular job. The work
surfaces of the log-in area must be kept free of spilled sample(s}, paper and other trash. The counters and the sample cart should be wiped down periodicaUy to remove or reduce the contamination
on surfaces. The bottom tray of the cart should be kept orderly. Transfer bubblepack. netting, etc. to the Field Office area on a routine basis. Sample bottle cabinets must be kept stocked with bottles and supplies of VOA vials, labels. chain-of-custody forms and
labeled soil jars maintained to give to customers when needed without them having to wait while they are retrieved from the Field Office or warehouse. All empty coolers must be retumed
to the warehouse for cleaning and shipment back to the customer, if applicable. As incoming coolers are emptied, those needing to be retumed should have a note attached instructing Field
Service personnel where the cooler is to be retumed and how many and what kind of bottles need to be retumed. Each cooler belonging to ERMI must be logged in the Shipping Log If it is
incoming or if it is given to a customer or leaves the premises for any reason. Each cooler is assigned a number and there is a page in the Log by number for each cooler. • ,'i, Copies
of all forms and work orders should be checked during periods 􀁾􀁨􀁥􀁮􀀠all samples are logged in and these supplies replenished to reduce disruption to the log-in process. Maintain
a constant awareness of stocks of purchased supplies used in the log-in 
.. Feb 15 01 10:36a RJN GROUP, BUS. DEVELOPE 􀁓􀀷􀁾􀀠 􀁾􀀶􀀳􀀱􀁂􀁓􀀳􀀠 p.lS EffecUve Date: May30,1996 Subject Method: fRMJ Approved By QAM: Pd{!., Sample Log-in Page: 170f18 Approved
By LM: Revision: 6-6·96 process such as labels, orange colored paper, Sharpie markers, pH paper, etc. Complete a purchase requisition for supplies needed from outside vendors well in
advance of when they are required. Maintain your computer in good operating order. Make it a practice to run scandisk and defrag at least once a week to keep your files compressed and
speed maximized. ':,.' 
-----• i'1lIJE -f'1El'[R'I Tm!3MISSI(J.I STARTefEB-19 15:27 ENl)o-F£B-19 15:33 FILE 􀁎􀁏􀀮􀁾􀀱􀀴􀀴􀀠 STATIm 􀁾1-0. 001 " 972450283'? Market-R=. 1701 N. Market Street, Suite 500 LB 51,
Oallas, Texas 75202 214192Q..2500 Aviation OarN ok SpiUw:l,Ys 􀁅􀁬􀀮􀁣􀁴􀁲􀁩􀀼􀁯􀁬􀁬􀁬􀁮􀁧􀁩􀀢􀀮􀀮􀁲􀁩􀁮􀁾􀀠 Environmenfdl 􀁓􀀨􀁬􀁩􀁥􀁮􀁾􀁥􀀠 Pump Sbtion De:ltlgn Site D-avelopnre.m
TatecomtnunicatloNSolid W,t.:He Fnc:Hitlt.S 􀁗􀀻􀀱􀁴􀁥􀁾􀁔􀁲􀀮􀁬􀁮􀁳􀁭􀁩􀁳􀁳􀁩􀁯􀁮􀀠Systems • FAX 214/92Q..2555 • wv.w.freese.com 􀁆􀁾􀁾􀁔􀁒􀁁􀁎􀁓􀁎􀀮􀁕􀁔􀁔􀁁􀁌􀁓􀁂􀁅􀁅􀁔􀀠 To; M;JdMdtfj,j
F...'t No.: OJ72-4-"50-?-1l3"7 From; t ),' no i3rt4); 􀁥􀀨􀀧􀁾___ O"'te: Total number of page., including trnnsmlttal sheet: J5fift"30 Churge; 􀁃􀁯􀁭􀀮􀁭􀁾􀁮􀁴􀁳􀀺􀀠 􀀭􀀭􀁾􀀭􀀭􀀧􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭
.. ', If there is Q. problem receiving any 􀁰􀁵􀁧􀁾􀀮􀀠 plc.lSC c"n 􀀲􀀱􀀴􀁾􀀹􀀲􀀰􀀮􀀲􀀵􀀰􀀰􀀮􀀠 􀁾􀀠
Feb 19 01 10:3Ba R GROUP, BUS. DEVELOPE 9-4531B93 p.2 .Effective Date: January 1 1994 Subject Method: 405.1 Approved By QAM: 􀁾 5 DAY BIOCHEMICAL OXYGEN DEMAND Page 1of16 Approved 4iI
By LM: " Revision: 6-22-95 Detection Limit: 2.0 mgIL Sampling : Composite Container : 1000ml Plastic/Glass Preservation : Cool 4·C Holding Time: 48 Hours from time of collection 1.0
GENERAL DISCUSSION EPA Method 405.1 is the reported method for BOD determinations. However, Standard Methods details all the requirements and procedures for this parameter and the following
procedure is based on these criteria. . Biochemical Oxygen Demand (800) is an empirical measurement of the oxygen requirements of municipal and industrial wastewaters and sewage. The
test results are used to calculate the effect of waste discharges on the oxygen resources of the receiving waters. The BOD test is of limited value in measuring the actual oxygen demand
in the environment because temperature change, biological population, water movement, sunlight, oxygen concentration and other environmental factors cannot be reproduced accurately in
a laboratory. BOD is performed by incubating a sealed sample for the standard five day period at 20·C in the dark, then determining the change in dissolved oxygen content. 2.0 INTERFERENCES
Residual Chlorine can have a toxic effect on the bacteria used in the BOD analysis. To eliminate small amounts of residual chlorine, allow the sample to stand for one to two hours at
room temperature. Cold samples may be supersaturated with oxygen. if a DO reading of over 9.15 at 20·C or 8.78 at 22·C is obtained, remove excess oxygen by agitating the sample before
beginning. To reduce the effect of phenols, heavy metals or cyanide, and other potentially toxic agents, dilute the sample with nutrient water and use the most dilute result which has
valid QC values. '. 
R:' GROUP, BUS. DEVELOPE 97' 4631893 p.3 'Feb 19 01 10:39a Effective Date: January 1.1994 Subject 5 DAY BIOCHEMICAL OXYGEN DEMAND Method: Page Revision: 405.1 2011& 6-22-95 Approved
q" By QAM: Approved 􀁾􀀠 By LM: 􀁾􀀠 3.0 APPARATUS • 300ml BOD Bottle with Glass Stoppers • COD Reactor' • Plastic Caps for 800 bottles • Magnetic Stirrer Plates and Bars • Pipets and
Pipet Bulb • Incubators • VolumetriC Rask, 1000ml • Orion Model 840 BOD Meter • Beaker,1000ml • Air Pumps, 2 • Pipettor, Sml • Graduated Cylinders, 50ml,100ml,500ml 4.0 REAGENTS 4.1
BOD Standard (Glucose Glutamic Acid), Hach 14865-10 4.2 BOD Nutrient Hach 6L 14862-98 3L-14861-98 See section 5.1.2. 4.3 Sodium Hydroxide (NaDH), 1 N Dissolve 40 g NaOH in 1000ml of
deionized water. 4.4 Sulfuric Acid (H2S04), 1N Add 48g (or 30ml) of concentrated H2S04 to 800ml of deionized water. Adjust the volume to 1000ml with deionized water. 4.5 Nitrification
Inhibitor Hach 2533-35. 4.6 Polyseed See section 5.1.3. 4.7 Distilled Water This is purchased locally and is is Ozarka brand. No Other brands are acceptable. 5.0 PROCEDURE 5.1 Preparation
NOTE: FOR THIS PROCEDURE TO WORK PROPERLY, THE SAMPLES, POLYSEEO. AND NUTRIENT WATER MUST BE AT THE SAME TEMPERATURE, 2o-22°C 2: 2°C OR ROOM TEMPERATURE AT THE; TIME OF SAMPLE PREPAAAnON.

R'" GROUP, BUS. DEVELOPE 97-4631893 p.4 · Feb 19 01 10:39a Effective Date: January 1, 1994 Subject 5 DAY BIOCHEMICAL OXYGEN DEMAND Method: Page Revision: 405.1 3 ot 16 6-22-95 Approved
t9II 􀁾􀀠QAM: Approved By LM: .<iff? 5.1.1 Initial Sample Preparation Remove the BOD samples to be analyzed from the sample storage refrigerator upon arriving at the laboratory in the
morning. Samples must be at roam temperature (approximately 20"C·22·C) prior to analysis. Group the samples by batches containing 1 0 samples each. 5.1.2 Nutrient Buffer Preparation
Begin preparation at least three (3) hours before samples are to be analyzed. 5.1.2.1 Use only Ozarka Distilled Water (9.46 Uters). This amount will fill 32 to 33 BOD bottles. 5.1.2.2
Cut a hole in top rear of the container. 5.1.2.3 Drain 560ml of distilled H20 from container. 5.1.2.4 Add one 6 liter BOD Nutrient Buffer pillow (4.2) and one 3 liter Nutrient Buffer
pillow to the Ozarka container. 5.1.2.5 Rinse the emptied pillows with approximately 90ml of the 560ml distilled H20 drained from container and pour the rinses into Ozarka container.
5.1.2.6 Save 460ml of the initial 560mfs and pour the rest back into the container. This will adjust the original 9.46 liters down to 9.00 liters. 5.1.2.7 Add the large Teflon stirring
bar (dedicated to the BOD analysis) into the container. Use part of the 460ml distUled water to rinse out the BOD bottles prior to use. 5.1.2.8 Connect the air pump and bubbler and place
bubbler into the distilled water containerthrough the hole which was cut in the container. 5.1.2.9 Bubble and stir the nutrient solution for at least 2 hours. Remove the nutrient water
from the stirring plate, remove the aerator, remove the stirring bar and allow this solution to stand at least 15 minutes before using. 5.1.3 Polyseed Preparation 5.1.3.1 Withdraw 500ml
of nutrient water after it has aerated for the two (2) hour preparation period, ,collecting it in a SOOml graduated cYlinder. 
Feb 1S 01 10:3Sa R:GROUP, BUS. DEVELOPE S7" 46318S3 p.5 Effective Date: January 1,1994 Subject 5 DAY BIOCHEMICAL OXYGEN DEMAND Method: Page Revision: 405.1 . 40t16 6-22·95 Approved By
QAM: fI;t Approved By LM: gp:... 5.1.3.2 Rinse the 1OOOml 􀁢􀁥􀁡􀁫􀁥􀁾􀀠 (dedicated to the BOO analysis) with laboratory 01 water and place the contents of one (1) Polyseed capsule into
the beaker. 5.1.3.3 Rinse the capsule with a portion of the 500ml nutrient water and pour the rinses into the beaker. Do not put the capsule covering into the beaker. 5.1.3.4 Pour the
remaining 500mls of nutrient water into the beaker with the Polyseed. 5.1.3.4 Add the stirring bar used for the BOO seed, stir at a moderate speed, and aerate with the bubbler apparatus
for a minimum of one (1) hour before use. Allow the seed to stir during the entire sample preparation procedure. 00 not allow seed to stand longer than 30 minutes or the bacteria could
die from oxygen depletion. 5.1.4 Sample Preparation 5.1.4.1 Run a pH check on an aliquot of each sample and record the sample pH in the data book. 5.1.4.2 If necessary. adjust an aliquot
of the sample between pH 6.5 and 7.5. Record the final pH in the data book. Never adjust the pH of the entire sample contained In the sample bottle. 5.1.4.3 Use 1N H2S04 (Section 4.4)
if the pH is >7.5. Use 1N NaOH (Section 4.3) if the pH is <B.S. ' 5.1.4.4 To determine the dilutions necessary for the samples to be analyZed, use the following procedure • Perform a
COO analysis (Method 410.4) on each BOO sample. • Using a pre-prepared COO vial, pipet 2ml of homogenized sample into the vial. This homogenization must be done in a blender on any sample
which contains particles which settle rapidly or cannot be drawn readily into a pipet. • Cap the vial tightly and shake it vigorously. Note: The vial will become hot, so take precautions.

Feb 15 01 10:35a R -', GROUP, BUS. DEVELOPE S?-4631853 p.6 Effective Date: January 1, 1994 Subject 5 DAY BIOCHEMICAL OXYGEN DEMAND Method: Page Revision: 405.1 50f16 6-22-95 Approved
By QAM: 􀁾 Approved By LM: 􀁾• Digest the COD vial in the block digester for two (2) hours at 150·C. Read the COD and estimate the BOD concentration by dividing the COD value by lWo
(2). • Determine the dilution for the BOD analysis, refer to Table 405.1-1. For dilutions needing less than 1ml of sample, the sample must first be serially diluted with nutrient water.
For example, if Table 405.1·1 indicates that a sample volume of O.01ml should be used, the sample is first diluted 1 ml to 100ml, then one ml of this dilution is used for the test. •
The total number of dilutions required per sample is three to six. (For higher BOD values, at least one dilution will be too concentrated, at least lWo dilutions will be in the valid
concentration range and at least lWo values will be more dilute than needed to cover the range). If there there is limited sample volume, the minimum number of dilutions run per sample
is 3. • Obtain BOD bollies and arrange in numerical order and record the bottie number, sample number, dilution, and COD value on the data sheet in the BOD data book. 5.2 Calibrating
the BOD probe 5.2.1 The probe is stored in the BOD storage sleeve inside the BOD meter. The small sponge in the bottom of this sleeve must be kept moist with water, but all excess water
must be poured out of this sleeve. 5.2.2 Begin calibrating the BOD probe at least one hour before sample analysis. 5.2.3 Dry off probe membrane with the soft side of a paper towel before
beginning calibration. Place the probe back into the storage sleeve. 5.2.4 Push the "Mode" button until the display is in the CAL position. 5.2.5 Push the Mode button once more. The
meter will then calibrate itself. This should take belWeen 20sec. to one minute. 5.2.6 If an E1 message appears, push the Mode button once more. Repeat a third time if the E1 reappears.
5.2.7 Check the probe 􀁭􀁾􀁭􀁢􀁲􀁡􀁮􀁥􀀠or the probe tip if the meier fails to ca!ibrate the third time. Sometimes moistening the membrane prior to calibration will help. 
p.7 Effective Date: Januarv 1,1994 Subject Method: 405.1 Approved By QAM: 􀁾 5 DAY BIOCHEMICAL OXYGEN Page 6of16 Approved By LM: /8DEMAND Revision: 6-22-95 . 5.3 Analytical Procedure
5.3.1 Initial Set Up 5.3.1.1 Rinse each BOD bottle with a portion of the 460ml of original distilled water removed from the 9.46 liter container. Record all bottle numbers and sample
numbers in the data book. 5.3.1.2 Record nutrient water, Polyseed and sample temperature in data book before analysiS. The temperatures must be the same ± 2°C. If not, dissolved oxygen
eqUilibrium in the analysis components will not be achieved and the analysis will not pass the CC requirements. 5.3.2 Nutrient Blanks (4 Required) 5.32.1 Fill the first bottle with nutrient
water, place the bottle on the magnetic stirrer and place the probe in the bottle. The stirrer on the probe holder will stir the nutrient over the membrane. thus measuring the initial
dissolved oxygen content. Read the DO. and record the value in the data book. Discard this bottie bottie after taking its DO reading. 5.3.22 The second bottle is treated the same as
above. 5.3.2.3 The third and fourth bottles are filled with nutrient water, stopped and capped. DON'T READ THE D.O. until after incubation is complete. 5.32.4 Gently tap on the sides
of all filled bottles to release any entrapped air bubbles before stoppering. 5.3.3 Seed Correction (3 Required) 5.3.3.1 Add 10ml of Polyseed to a 800 bottle and fill it with nutrient
water. 5.3.32 Add 15ml of Polyseed to second bottie and fill it with nutrient water .• 5.3.3.3 Add 20ml of Polyseed to third bottle and fill it with nutrient water •• . , . :. 
Feb 19 01 10:40a R 'GROUP, BUS. DEVELOPE 97 4631893 p.8 Effective Date: Januarv 1. 1994 Subject Method: 405.1 Approved §fit By QAM: 5DAV BIOCHEMICAL OXYGEN Page 70t 16 Approved 􀁾􀀠
lIy LM: DEMAND Revision: 6-22--95 5.3.3.4 Read the 000 in each bottle, record the vaJue in the data book. Gently tap on the sides of all filled bottles to release any entrapped alr bubbles
before stoppering. Ensure that all stoppered bottles have a water seal before putting on the plastic caps. ' 5.3.4 Standards (4 Required) 5.3.4.1 The Hach BOD Standard Solution is provided
in a Vo/uette Ampoule. Simply break the top of the ampoule off at the etched line on the neck. The solution is now ready for immediate use. 􀁾􀁵􀁴􀁩􀁯􀁮􀀺􀀠Always wrap the voluette with
a towel, rag or other protective cover before attempting to break the top off, to avoid cutting yourself. 5.3.4.2 With Class A volumetric pipets, deposit the following lIolumes of the
Hach standard into separate BOD bottles: 1 ml, 2ml, 3ml, 4ml. 5.3.4.3 Add 3ml of Polyseed solution to each bottle. 5.3.4.4 Fill bottles with nutrient water. Tap the sides of the bottle
to displace the alr bubbles that may cling to the inside surface, then read and record the sample DO. Immediately stopper each bottle and verify that a water seal is present before capping.
5.3.5 Samples 5.3.5.1 For samples needing dilution, fill the BOD bottles half full with nutrient water. 5.3.5.2 Add 3ml of Polyseed solution to each bottle USing an 􀁡􀁵􀁴􀁯􀁰􀁩􀁰􀁥􀁴􀁯􀁾􀀠
5.3.5.3 Using volumetric glassware, add the pre-determined amount of sample to be used into the appropriate bottle. 5.3.5.4 Finish filling the bottle with nutrient water. 5.3.5.6 Place
the probe in the BOD bottle and allow it to come to equilibrium. Once the probe stabilizes, the reading displayed is ppm dissolved oxygen. Record this value in the BOD Data Book in the
initialyDOo column and then stopper the bottle. Be sure there are no air bubbles in the· bottle. Add dilution water so that the reservoir around the stopper is filled. Cap the bottl
e. Feb 19 01 10:40a R ... GROUP, BUS. DEVELOPE 9-4631893 p.9 Effective Date: Januarv 1.1994 SubJect 5 DAY BIOCHEMICAL OXYGEN DEMAND Method: Page Revision: 405.1 80116 6-22-95 Approved
By QAM: % Approved By Uv1: 􀀮􀁾 S.3.5.S Run a duplicate BOD on each batch by duplicating the entire series for a sample. 5.3.5.7 Place all capped bottles in an incubator for five (5)
days ±2 hours at 20·C:t1"C. Record the time the bottles were placed in the incubator, the shelt they were place on, and the number of the incbbator in the data book. 5.3.6 Nitrification
Inhibition Samples for Carbonaceous Biochemical Oxygen Demand (CBOD) Analysis This analysis is similar to the BOD analysis except that an extra step (Section 5.3.6.3) is required. 5.3.6.1
Fill the BOD bottles half full of nutrient water. 5.3.6.2 Add 3ml of Polyseed solution to each bottle. 5.3.6.3 Using the dispensor provided by Hach, add 0.6 9 of Hach Nitrification Inhibitor
to each BOD bottle needing a CBODS analysis. This includes nutrient blanks, seed corrections, standards, and samples. 5.3.6.4 Using volumetric glassware, add the pre-determined amount
of sample to be used into the appropriate bottle. S.3.S.S Rnish filling the bottle with nutrient water. 5.3.S.6 Place the probe in the 800 bottle and allow it to come to equilibrium.
Once the probe stabilizes, the reading displayed is ppm dissolved oxygen. Record this value in the BOD Data Book in the Initial 000 column and then stopper the bottle. Be sure there
are no air bubbles in the bottle. Add dilution water so that the reservoir around the stopper is filled. Cap the bottle. 5.3.6.7 Run a duplicate BOD on each batch by duplicating the
entire series for a sample. S.3.6.S Place all capped bottles in an incubator for five (5) days ±2 hours at 20°C:t1·C. Record the time the bottles were placed in the incubator. the shelf
they were place on, and the number of the incubator in the data book. 5.4 Determining DO after Incubating 5 days 5.4.1 When the five day·±2 hours incubation period .is complete, remove
all bottles bottles from the incubator and record the time the bolUes were taken out. 
Feb 1S 01 10:41a 􀁒􀀧􀁾􀀠GROUP, BUS. DEVELOPE S--46318S3 p.10 Effective Date: January 1. 􀀱􀁾􀀹􀀴􀀠 Subject Method: 405.1 Approved By CAM: t#t 5 DAY BIOCHEMICAL OXYGEN Page 90f16 Approved
By LlIIl: //"/. A -DEMAND Revision: 6-22·95 5.4.2 The DO probe should be calibrated at least one (1) hour before the sample BOD bottles are removed from incubator, and the calibration
checked immediately prior to analysis (see section 5.2). . 5.4.3 Remove all caps from the bottles. but keep the bottles stoppered until the final DO is to be read. 5.4.4 Calibrate the
probe in the same manner as described in Section 5.2. 5.4.5 Place the·probe in a BOD bottle and allow it to come to equilibrium. Once the probe stabilizes, the reading displayed is ppm
dissolved oxygen. Record this value in the BOD Data Book in the D05 column. 5.4.6 Calculate, evaluate, and record all 800 data as soon as the last sample has been analyzed. Submit all
work orders to Customer Service. Complete and distribute a Non-Conformance Report if any data doesn't meet the ac criteria. 6.0 CALCULATIONS 6.1 Seed Correction Calculation The DO uptake
of seeded dilution water incubated for five (5) days should be between 0.6 and 1.0 mg/L. It must not be >1.0 mg/L; if it is, this is an indication of a contamination. Since there must
be a DO uptake >2.0 (AOO:>2) for the analysis to be valid, larger volumes of seed must be used in the seed correction samples than in the standards and samples. The following steps correct
for this difference: 6.1.1 The seed correction should be calculated as in the following example when 10 ml of Polyseed is used in th.e Seed Correction bottle and only 3ml of seed is
used in the sample bottles: ml of seed in sample Seed Correction ml of seed used in for 10ml Polyseed seed correction = (8.73 -5.84) x3mL '" 0.867 mg/L 10ml ' 6.1.2 The seed correction
ijsing 15ml of Polyseed: 
􀀧􀀭􀁾􀀽􀀭􀀭 ._--,.:-"'-':-'-_.._-----------.--_:_•• _--_.---------Feb 1S 01 10:41a R' i GROUP, BUS. DEVELOPE S7 ,4631 BS3 p. 11 Effective Date: January 1, 1994 Subject Method: 405.1
Approved 􀁾􀁬􀁬􀀮 By QAM: --?ll 5 DAY BIOCHEMICAL OXYGEN DEMAND Page 10 of 16 Approved • By LM: 􀁾 Revision: 6-22-95 = (8.76 -4.81) x 3ml = 0.79 mglL 15ml 6.1.3 The seed correction using
20ml of Polyseed: = (8.76 -3.81) x 3ml = 0.7425 mgIL 20m I 6.2.4 Average Seed Correction Factor for 3ml of seed: Seed Correction = (0.867 + 0.79 + 0.7425) 13 =0.800 mgIL. 6.2 Standards
6.2.1 An acceptable BODS value for the 300 mg/L glucose and glutamic acid standard is 198 ± 30.5 mglL or between 167.5 and 228.5mglL. Note: Because the BOD standard prepared by Hach
contains 300 mg/L each of glucose and glutamic acid, the BOD value determined must be divided by two. 6.2.2 Calculate the 800 of the standards the same way as it is calculated for the
samples. The average of all valid data points must fall within the allowable limits (198±30.5 mgIL) for the batch to pass the QC requirements. 6.2.3 If the standard does not fall within
these limits then all samples associated with this batch need to be re-sampled and re-analyzed. Continue taking 800 readings on the samples in case a sample can not be resubmitted and
the data must be submitted with a qualification. Follow ERMI protocols on subinitting a Non-Conformance Report to the Quality Assurance Officer and with the Sample data. 6.3 Sample Concentration
Determination Note: For a BOD dilution to be valid, the DOS must be >1.0 mgIL and the L1 DO or DO uptake between initial and final value must be >2.0mg/L. 
Feb 19 01 10:41a 􀁒􀁾􀂷􀂷􀁜􀁇􀁒􀁏􀁕􀁐􀀮􀀠 BUS. DEVELOPE 97" 4631893 p.12 Effective Date: January 1, 1994 Subject 5 DAY BIOCHEMICAL OXYGEN DEMAND Method: Page Approved By CAM: 􀁾􀀠 Approved
By LM: ..e""A 405.1 11 of16 Revision: 6-22-95 6.3.1 Determine the a DO by subtracting the Initial DO from the Final DO. Record in the A DO column of the data sheet. 6.3.2 BOO Concentration
BOO mg/L = ADO· Seed Correction x Total Volyme in BOO bottles (mil . Sample Volume (ml) For example: The sample has three (3) dilutions: 2ml. 5ml, 10ml. 􀁾􀁓􀁾􀁡􀁷􀁭􀁾􀁰􀁾􀁖􀁾􀁯􀁾􀁉__􀁾􀀰􀁾􀁏􀁾􀁯____
􀁾􀁏􀁾􀁏􀁾􀀵􀁾____􀁾􀁁􀁾􀁏􀁾􀁏􀁌___􀁾􀁓􀁾􀁥􀁾􀁥􀁾􀁤􀁾􀁃􀁾􀁯􀁾􀁲􀁲__􀁾􀁂􀁾􀁑􀁾􀀰􀀵􀀠 2ml B.77 6.74 2.03 0.85 177 5ml 8.73 5.39 3.34 0.85 149 10mi B.68 2.57 6.11 0.85 158 6.3.3 Report
all 800 values using two significant figures. If more than one sample dilution meets the criteria of a residual DO of at least 1 mgll and a DO depletion of at least 2 mg/L and there
is no evidence of toxicity (BOD value drops dramatically with increasing concentration) of the existence of an obvious anomaly (one value significantly out of line with the rest of the
data), average the results of all acceptable BOD values. (177 + 149 + 158) + 3 = 161 mgIL BOD. 6.4 Detection Umit Calculation Det Umit = (2mglL • Seed Correction) x Tota! \lolume in
BoHle (300mO Largest Valid Volume of Sample , 
RJN GROUP, BUS. DEVELOPE 􀁓􀀷􀁾􀀠 4631893 p.13 Feb IS 01 10:41a " Effective Date: January 1,1994 Subject 5DAV BIOCHEMICAL OXYGEN DEMAND Method: Page Revision: 405.1 12 of 16 6-22-95
Approved 􀁾􀀠 By QAM: YVl Approved By LM: 􀁾,.For example: Seed Correction ::: O.85mgll Highest Valid Volume of sample "" SOml Detection Limit =: (2mg/l -O.8Smgll) x 300ml f 50ml = 1.15mllLxS
= S.90mg/L 7.0 SOIL AND SLUDGE MODIFICATIONS This method is not appropriate for soils or sludges. 8.0 QUALITY CONTROL .8.1 Definitions 8.1.1 Batch A batch 01 samples of like matrix made
up of from one (1) to ten (10) samples plus at least one duplicate sample along with the appropriate OC (Sections 8.1.2, 8.1.3, and 8.1.4). Separate batches must be run for BOD Samples
requiring Nitrification Inhibition (CBODS). 8.1.2 Nutrient Blank Four 800 batHes filled with a volume of nutrient water treated in the same manner as the samples, but DO NOT contain
seed. Two of the bottles are read for the initial 00. The other two are capped and read at the end of five (5) days of incubation. 8.1.3 Seed Correction A volume of nutrient water containing
10ml, 15ml. 20ml of seed. The seed is incubated with the samples for five (5) days. The calculated seed correction must fall within 0.6 to 1.0 mgll. 8.1.4 Standards A series of known
standard solutions used by the analyst to determine the accuracy of the BOD analysis. This series consists of a volume of nutrient water, standard solution and seed treated in the same
manner as the samples. The standard must be 198 ± 30.5 mg/l (Standard Methods). 8.1.5 Duplicate Sample At least one sample chosen at random within each batch of samples is run in duplicate.
Each duplicate must have identical dilutions. Duplicate samples are used to document the precision :af the method. The Standard Deviation and Coefficient of Variation are calculated
from the duplicate values. ' 
R.1"\ GROUP. BUS. DEVELOPE 􀁓􀀷􀁾􀀠 463i8S3 p.14 Feb is 01 10:42a Effective Date: Januarv 1, 1994 Subject Method: 405.1 Approved By CAM: 􀁡􀁬􀁾􀀠 71/{ 5 DAY BIOCHEMICAL OXYGEN Page 13
of 16 􀀺􀁾􀁰􀁲􀁾􀁾􀀠􀀯􀀯􀁾􀀠 DEMAND ReVision: 6-22-95 8.2 Quality Control Limits 8.2.1 Minimum Deplelion: A dilution must have at least a 2mgJI drop in the DO (<100) for the analysis
to be valid. 8.2.2 Maximum Depletion: A dilution must not reduce the oxygen content below 1mgJI for the analysis to be valid. 8.2.3 The duplicate values must have a CV of less than 10%.
8.2.4 The percent recovery on the standard must be within the limits of 198 ± 30.5 mg/L 8.2.5 Nutrient Blanks are run to check the quality of the dilution water. The DO uptake in a sample
incubated for five (5) days at 20±1°C should not be more than .0.2 mgIL and preferably not more than 0.1 mg/L. 8.3 Quality Control Calculations The following calculations are used to
illustrate the 800 quality control calculations. A summary of the data used is given below: Sample Sample 3.87 Duplicate 3.99 8.3.1 Mean (x) is the arithmetic sum of all the duplicate
values in a batch divided by the total number of duplicate samples. x = (Xl +X:J 12 x = (3.87 +3.99) 12 x = 3.93 mg/L 8.3.2 Standard Deviation (SO) represents the dispersion of the samples
around the mean. It is estimated by making a number of replicate measurements of a given sample. This value may be calculated using a 􀁣􀁡􀁬􀁣􀁵􀁬􀁾􀁴􀁯􀁲􀀠and following the manufacturer's
instructions, or by using the Simplified formula below if only two data points are collected. . ; . .' 
􀁒􀀭􀀧􀀭􀁾􀀠 GROUP, BUS. DEVELOPE S"'-\ 46318S3 p.lS Feb IS 01 10.42a Effective Date: 􀁊􀁡􀁮􀁵􀁾􀁲􀁹􀀠1, 1994 Subject Method: 405.1 Approved By QAM: a,J 71-7 5 DAY BIOCHEMICAL OXYGEN
Page 140f16 Approved 􀁦􀁦􀁾􀀠 By LM: DEMAND Revision: 6-22-95 so = 􀀱􀁾􀀭􀁸􀀮􀀮􀀱􀀯􀀱􀀬􀀴􀀱􀀴􀀲􀀠 SO ::: (3.99-3.87) 11.4142 SO = 0.08485 8.3.4 Coefficient of Variation (CV) CV = Standard
Deviation (SO) x 100 Mean (x) CV = 0.08485 x 100 3.93 CV = 2.1% 9.0 SAFETY AND HYGIENE 9,1 Use Safety grasses and groves, and a lab coal. 9.2 Read the MSOS sheets for further safety
infonnalion. An MSDS sheet is attached for the Polyseed. Do not breath the dust from the capsule. 9,3 The contents of the nutrient pillows and standard are hann/ess. 9.4 Use care in
opening the standard vials. Wrap the top of the ampoule in a paper towel and then snap it open; this should prevent cuts. 10.0 WASTE DISPOSAL • After neutralization, dispose of all BOD
wastes in the sanitary sewer system. , 
􀁒􀁊􀁾􀁾􀁇􀁒􀁏􀁕􀁐􀀬􀀠 BUS. DEVELOPE 􀁓􀀷􀀿􀀭􀁾􀀶􀀳􀀱􀁡􀁓􀀳 p.16 'Feb 1S 01 10:42a Effective Date: January 1,1994 Subject Method: 405.1 Approved 5lH By QAM: 7vl 5 DAY BIOCHEMICAL OXYGEN
Page 15 of 16 Approved By LM: fA"A' DEMAND Revision: 6-22-95 , 11.0 Clean Up and Maintenance 11.1 BOD bottles must be emptied out and refilled with hot, soapy (Alconox) water immediately
after analysis. Allow the bottles to soak for at least 24 hours. After soaking, shake out the soapy water and wash in dishwasher. Run the bottles through three to five cycles. Rinse
thoroughly with deionized water. Put the bottles in the drying oven and allow to dry completely. 11.2 Do not deviate from this cleaning regime. These bottles will become easily contaminated
if they are not cleaned properly. 11.3 Caps and stoppers are washed in hot, soapy water. Stoppers are dried in the oven. Store caps and stoppers in the drawers. 11.4 Once a week, add
a small amount of 01 water to the BOD probe sleeve on the Orion meter housing, then pour out any water not absorbed by the sponge. , 
feb IS 01 10:43a 􀁒􀁊􀁎􀁾􀀠GROUP, BUS. DEVELOPE 9?;!,,4631893, p.l? Effective Date: January 1, 1994 Subject SDAY BIOCHEMICAL OXYGEN DEMAND Method: 􀁾􀀠 Page Revision: 40S.1 16 of 16
6-22-95 Approved By CAM: 􀁾􀁾􀀠 Approved By LM: ¢65:Table 405.1-1 BOD Dilutions COD Theoretical Theoretical Value BODVa!ue Sample Volumes <20 20-50 50-100 100-200 200-400 400-800 800-1600
1600-3000 3000-6000 6000-12000 12000-24000 24000-48000 48000-96000 <10 '10-25 25-50 50-100 100-200 200-400 400-800 800-1600 1500-3000 3000-6000 6000-12000 12000-24000 24000-48000 300ml,
lS0ml 100ml, 50ml, 25ml 50ml,.25m!,10ml 25ml, 10ml, 5ml 10m!, 5ml, 2ml 10ml, 5m!, 2ml, 1 ml 4ml, 2ml, 1ml, 0.5ml 2ml, 1 ml, 0.5ml, 0.3ml, 0.2 1ml, 0.5ml, 0.3ml, 0.2ml, 0.1 ml 1ml, 0.5ml,
0.3ml,0.2ml, O.lml, O.OSml OAml, 0.2ml, 0.1 ml, 0.05ml, 0.03ml, 0.02ml 0.2ml,O.1 ml,O.OSml,0.03ml,O.02ml,O.01 ml 0.1 ml,0.05ml,0.03ml,0.02ml,O.01 ml,O.Ooom! This table is designed so that,
for higher BOD values, at least one dilution will be too concentrated, at least two dilutions will be in the valid concentration range and at least two values will be more dilute than
needed to cover the .range. 
· Feb IS 01 10: 4S.a 􀁒􀁾􀁾􀀠GROUP, BUS. DEVELOPE 􀁓􀀷􀀿􀁾􀀴􀁓􀀳􀀱􀀸􀁓􀀳􀀠 p.2 ·1 Effective Date: January 1, 1994 Subject Method: EPA 160.2 Approved By QAM: 􀁾􀁴􀁉 TOTAL SUSPENDED SOLIDS
or Non-Filterable Residue Page Revision: 10f8 8-14-95 Approved 􀁾􀁖 By LM: Detection Umit: 1.0 mg/l on 500ml Samples. Sampling : Composite See Section 6.2 Container : 500ml Plastic/Glass
Preservation : Cool 4°C Holding Time : 7 Days 1.0 GENERAL DISCUSSION This method is based on EPA Method 160.2 and is applicable to total suspended solids in drinking, surface, and saline
waters, domestic and industrial wastes. The procedure involves taking a well·mixed sample and filtering it through a dried, pre-weighed, standard glass fiber filter and the residue retained
on the filter is dried to a constant weight The increase In weight of the fiiter represents the total suspended solids (T55). Samples must be collected in clean plastic or glass bottles.
They must be analyzed as soon as possible after collection, but can be stored up to seven days when cooled t04"C. 2.0 INTERFERENCES The filtration apparatus, filter material, pre-washing,
post-washing and drying temperature are specified because these variables have been shown to affect the results. Samples high in Filterable Residue (dissolved solids), such as sanne
waters, brines and some wastes, may be subject to positive interference. For samples high in dissolved soUds, thoroughly wash the filter to ensure removal of the dissolved material.
Excessive residue on the filter may form a water entrapping crust, so limit the sample size to that yielding no more than 200mg of residue. Non-representative particulates such as leaves,
sticks, fish and rocks may be removed before analysis. 
Feb 19 01 10:47a RJN.GROUP, BUS. DEVELOPE 􀀹􀀷􀁰􀁾􀀶􀀳􀀱􀁡􀀹􀀳􀀠 ".3 \ Effective Date: January 1,1994 Subject TOTAL SUSPENDED SOLIDS or Non-Filterable Residue Method: EPA 160.2 Approved
0., /I By CAM: '-111 Page 20f8 Approved 􀀧􀀯􀀮􀀯􀁾􀁾􀁲􀁖􀀠 􀁾􀁹􀀠 lM: ';/7 Revision: 8-14-95 3.0 APPARATUS • Aluminum weighing boats • Tweezers • 47 mm Glass fiber filter disc (Whatman
934-AH) • Graduated cylinder, 100ml • Volumetric flask. 1000ml • Analytical balance • Desiccator • Filter holder. 47mm • Drying oven • Suction flask. or filtering apparatus 4.0 REAGENTS
4.1 Deionized Water Obtain 01 water from our in-house system which is checked daily to insure the water quality. 4.2 Standard Weigh out between 200-400mg of cellulose (SigmacelJ) on
the analytical baJance and add it to SOOml of 01 water in a 1 Liter volumetric flask. Stir with a magnetic stirrer for about one-half hour or until no clumps of cellulose are present,
then dilute to 1000ml. 5.0 PROCEDURE 5.1 Preparation Of Filter Disc 5.1.1 Place a 47 mm filter disc disc in a filter holder with the wrinkled surface of the filter upward. 5.1.2 Place
the filter holder assembly in a filtering flask and apply vacuum. 5.1.3 Wash the disc with three successive 20ml volumes of deionized water. 5.1.4 Remove all traces of water by continuing
to applyviicuum after the water has passed through." 
Feb IS 01 10:47a 􀁒􀁊􀁾􀁾􀁇􀁒􀁏􀁕􀁐􀀬􀀠 BUS. DEVELOPE 􀁓􀀷􀁾􀀬􀀴􀀶􀀳􀀱􀁡􀀹􀀳􀀠 p.4 Enectlve Date: January 1, 1994 Subject TOTAL SUSPENDED SOLIDS or Non-Filterable Residue Method: EPA
Page Revision: 160.2 30f8 8-14-95 Approved {;fIf Bv QAM: Approved J../By lM: P'/5.1.5 Remove the disc from the filter holder with tweezers and transfer it to a numbered aluminum weighing
boat. " 5.1.6 Place the boats in a dcying oven at 10S"C for one hour. 5.1.7 Remove the boats from the oven and place in a desiccator until cooled to room temperature. 5.2 Sample Volume
5.2.1 On clear samples, a minimum of 100ml of sample should be filtered. If this yields less than 1 mg of residue, a larger sample must be used. Up to SOOml may be filtered for clear
or easily filtered samples. Excessive residue on the filter may form a water entrapping crust, so limit the sample size to that yielding no more than 200mg of residue. 5.2.2 If during
filtration of this initial volume, the filtration stops. or if the filtration time exceeds five minutes, a smaller sample size is required. Start with a fresh filter paper and another
(smaller) aliquot of sample. 5.3 Sample Filtration NOTE: ALL SAMPLES MUST BE AT ROOM TEMPERATURE BEFORE ANALYSIS. 5.3.2 At the time of analysiS. take the appropriate number of prepared
filters out of the desiccator. Using a pair of tweezers. weigh each glass fiber filter with an analytical balance to the nearest 0.0001 g. Record the weight of the filter and the number
of the aluminum boat in the TSS data book. Retum the filter to its respective boat. 5.3.3 Utilizing a pair of tweezers, place the previously weighed glass fiber filter disc into the
filter holder flask assembly. 5.3.4 Wet filter disc with deionized water to ensure adhesion to the holder. 5.3.5 Shake the sample 􀁶􀁩􀁧􀁯􀁲􀁑􀁬􀁉􀁳􀁾􀀠and immediately quantitatively
transfer a volume 01 sample as determined in Section 5.2 to the filter using a graduated cylinder and apply vacuum. ' 
Feb 19 01 10:47a 􀁒􀁊􀁾􀁜􀁇􀁒􀁏􀁕􀁐􀀬􀀠 BUS. DEVELOPE 97?,4S31893 p.5 Effective Date: Subject Method: January 1, 1994 EPA 160.2 Approved & u By QAM: 74Y/TOTAL SUSPENDED SOUDS Page 40f8
Approved //,11. __ By LM: or Non-Filterable Residue Revision: 8-14-95 5.3.6 Remove traces of water by continuing to apply vacuum after the sample has passed through the filter. 5.3.7
With vacuum applied, rinse the graduated cYlinder, filter, non-filterable residue, and filter holder wall with three separate pOl1ions of distilled water allowing complete drainage between
washings. 5.3.8 Slowly release the vacuum from filtering system by removing the hose connection and carefully remove the filter disc from the holder. 5.3.9 Place the disc in its respective
pre-numbered aluminum weighing boat. 5.3.11 Pre-heat the oven tol03"C-l 05"C prior to drying the prepared samples. 5.3.10 Place the boat with filter in a drying oven for at least one
hour at this temperature or until filterS are dried to a constant weight. 5.3.12 Remove the samples from the oven and place in a desiccator until cooled to room temperature. 5.3.13 Remove
the disc with a pair of tweezers and weigh to nearest 0.1 mg on the analytical balance. Record final weight in the TSS data book. CAUTION: If the filters have not been dried to a constant
weIght or they have not equilibrated to room temperature, the analytical balance read out will flUctuate abnormal/y. 6.0 CALCULATIONS 6.1 Sample Calculation TSS in mglL = (8 -A) (iJ)
x 1000mg x 1DOOm! Vol sample filtered (fffi7 19 1L or TSS in mg/L =__...I,J(Bi.!...::...(A-:lJ.J_..,.-_ x 1,000,000 Vol sample filtered A = weight of filter disc (in grams) , B =: weight
of residue plus filter disc after drying (in grams),' 
BUS. DEVELOPE 􀀵􀀷􀁾􀀠4631853 p.6 Feb 19 01 10:47a R.'''\ GROUP, , EHeGtive Date: Subject Method: Janua EPA 160.2 Approved TOTAL SUSPENDED B Page Sot8 QAM: SOUDS Approved or B LM: Non-Rlterable
Residue Revision: 8-14-95 Example: The initial weight of the filter was 0.1 078g and the final weight of the filter plus residue was 0.1307g. A sample volume of 100ml was used. TSS in
mg/L = (01307·0.1076) x 1,000,000 = 231mg/l 100 6.2 Detection Limits The detection limit is limited by the requirement that the filters be dried to a constant weight which differs by
no more than 0.5mg trom the previous weight. The detection limit is calculated by the following formula: Dl = _-",O..5..111m&jtJ,--_ Sample Vol (ll Sample Vol (ml) DetUmit 25 20 50 10
100 5 200 2.5 SOO 1 7.0 SOIL AND SLUDGE MODIFICATIONS This parameter is not performed on sailor sludge samples. 8.0 QUAUTY CONTROL For each set at ten (10) samples, a blank, a duplicate
sample, and a standard are to be analyzed. 8.1 Definitions 8.1.1 Batch A batch of samples is made up of one {ll to'ten (10) samples at like matrix plus at least one duplicate sample
and one standard 􀁾􀁡􀁭􀁰􀁬􀁥􀀮􀀠
Feb 19 01 10:48a 􀁒􀁊􀁾􀀠 GROUP, BUS. DEVELOPE 97<> 4631893 p.7 Effective Date: SubJect Method: Janu EPA 160.2 Approved TOTAL SUSPENDED B OAM: SOUDS Page 6 of8 Approved or B LM: Non-Filterable
Residue Revision: 8-14-95 8.1.2 Reagent Blank Deionized water is added in the same volumes or proportions as used in the sample preparation. It must be carried through the complete analytical
procedures. The Reagent Blank is used to document the concentration of TSS that is inherent In the analytical process. It is mandatory that a Reagent 81ank be run with each batch of
samples. 8.1.3 Standard A solution of known TSS concentration is taken through the same steps as the samples. This sample is used to evaluate the percent recovery. 8.1.3 Duplicate Sample
The analysis of an additional aliquot of at least one (1) random sample in the batch. This sample is treated the same as the other samples and undergoes the same procedures. Duplicate
samples are used to document the precision of the method. The Standard Deviation and and Coefficient of Variation are calculated from the duplicate data. 8.2 Quality Control Limits Before
any data is submitted, it must meet the following QC Criteria A Non-Conformance form must be completed for any batches not passing one or more of the QC Criteria, the problem(s) resolved,
and the batch reanalyzed to achieve quality results. If insufficient sample exists for reanalysis, the client needs to be contacted and either more sample obtained or approval given
to report results outside ERMI QC Umits. Any results with ac outside ERMI QC Umits must be documented on the final report. 8.2.1 The absolute value of the Reagent Blank must less than
O.Smg 8.2.2 The CV must be less than or equal to 10% for the batch to pass this ERMI ac requirement. 8.2.3 The percent recovery of the standard must be within the limits of 1Oo±1 0%
for the batch to pass this ERMI QC requirement. 8.3 Quality Control Calculations The foUawing calculations illustrate the QC Calculations. A summary of typical data is given below: ,
Sample 125mg/L Sample Dup 119mg/L > 
Feb 19 01 10:48a R,JJ'I GROUP, BUS. DEVELOPE 􀀹􀀷􀁾􀀠 4631893 p.8 ·'0' 􀁾􀀠 Effective Date: Janua Approved B CAM: Approved B lM: Subject TOTAL SUSPENDED SOUDS or Non-Filterable Residue
Method: EPA Page 160.2 70fS Revision: 8-14-95 8.3.1 Mean (x) is the arithmetic sum of all the duplicate values in a batch divided by the total number of duplicate samples. x = (XI +X:z)
12 x"" (125+119)/2 x = 122mgIL 8.3.2 Standard Deviation (SO) represents the dispersion of the samples around the mean. It is estimated by making a number of replicate measurements of
a given sample. This value may be calculated using a calculator and following the manufacturer's instructions, or by using the simplified formula below if only two data points are collected.
8.3.3 Standard Deviation for two data points: so = I X:z -x, 1/1.4142 = 1125 -119" 1.4142 = 4.2426 8.3.4 Coefficient at Variation (CV) CV := Standard Deviation (SQ) x 100 Mean (x) :=
4,2426 X 100 122 '" 3.478% 8.3.6 Percent Spike Recovery (% Recovery) %Ree. Standard Cone X 100 100 Known Std Concentration , %Rec. '" 255mgfl x 100 = 96 265mgll 
Feb 19 01 10:48a RJN GROUP, BUS. DEVELOPE 􀀹􀀿􀁾􀀲􀀮􀀠4631893 p.9 Effective Date: Janua Subject TOTAL SUSPENDED SOUDS Method: EPA Page 160..2 80f8 Approved 8 OAM: Approved B LM: or Non-Filterable
Residue Revision! 8-14·95 9.0 SAFETY AND HYGIENE 9.1 Use safety glasses, gloves, and a lab coat. 9.2 Read the MSDS sheet for more safety information on the reagent used in this procedure.
9.3 Filter and dry any smelly samples in the hood room. 10.0 WASTE DISPOSAL 10.1 Neutralize and dispose of filtrate in sanitary sewer if no other hazardous . components are found. 10.2
Dispose of the tilter and TSS in the trash if no other hazardous components are found. 11.0 CLEAN UP AND MAINTENANCE Glassware is washed with laboratory grade detergent then rinsed three
times with tap water, followed by three rinses with 01 water. 
Feb 18 01 10:48a RJ.N GROUP, BUS. DEVELOPE 87" 4631883 p.IO . Effective Date: August 5, 1993 Subject Method: EPA 410.4 Approved By QAM: C0f COD COLORIMETRIC ANALYSIS Page 1 of 10 Approved.
#' By LM: using BLOCK DIGESTION Revision· 8-11-95 Detection Limit High Range 20mg/L Low Range ;ring/L Sampling : Composite/Grab 4,0 Container : Plastic/Glass Preservative : Cool @4°C/H2SO.topH<2
Holding Time : 28 days 1.0 GENERAL DISCUSSION This method measures the quantity of Oxygen required to oxidize the organic matter in surface water, and domestic or industrial wastes under
specific oxidizing,conditions, at a set temperature and time. Samples are collected in glass or plastic containers and preserved with 1:1 sulfuric acid to a pH<2. Samples are kept at
4°C until analysis. Samples, blanks and standards are placed in sealed tubes with a strong oxidizing agent and heated at 150°C for 2 hours. After this time, they are allowed to cool
and the absorbance is read using the Spectronic 20, set at GOOnm. 2.0 INTERFERENCES Chlorides are quantitatively oxidized by dichromate and represent a positive interference. Mercuric
sulfate is added to the digestion tube to complex the chloride and reduce this interference. 3.0 APPARATUS • Hach COD reactor set at 150°C • Glass culture tubes with Teflon screw caps
(do not mix brands) • Spectronic 200 set at GOOnm • Volumetric pipets, 1ml, 2ml, and 10ml • Volumetric pipettor, 􀀱􀀰􀀰􀁾􀀱􀀠 • Automatic pipettor, 5ml adjustable • Volumetric flask.
100ml, 1000ml • Analytical balance 
Feb 1S 01 10:4Sa 􀁒􀁊􀁾􀀬􀁇􀁒􀁏􀁕􀁐􀀮􀀠 BUS. DEVELOPE 􀀹􀀷􀁾􀀴􀀶􀀳􀀱􀀸􀁓􀀳 p.11 -\ .. Effective Date: August 5,1993 Approved ad By QAM: 0/' SubJect COD COLORIMETRIC ANALYSIS Method:
EPA 410.4 Page 20t10 Approved By LM: using BLOCK DIGESTION Revision 8-11-95 4.0 REAGENTS All reagents must be labeled with Contents, Concentration, Preparer, Preparation Date, and Expiration
Date. The preparation data must be recorded in the Standard Preparation Log or the Reagent Preparation log. 4.1 Digestion Solution Add 167ml conc. H2S04 to SOOml distilled water. While
the solution is still hoI, dissolve 33.3g Mercuric Sulfate (HgSOJ and 10.2g Potassium Dichromate 􀀨􀁾􀁃􀁲􀀲􀁾􀀩􀀠in this solution. Cool and dilute to 1 liter in a volumetric flask. 4.2
Catalyst Solution Add 229 of Silver Sulfate (AgzSOJ to a 4.09Kg (2.5 liters) bottle of cone. H2S04, Stir until dissolved. 4.3 COD Standard, 800mgfL Dissolve 0.680g of primary grade potassium
acid phthalate in aOOml of 01 water and dilute to 1000ml in a volumetric flask. This standard is stable tor 6 months. 4.4 laboratory Control Sample Stock. 10QOmgfL Dissolve 0.8S0g of
primary grade potassium acid phthalate in 800ml of 01 water and dilute to 1000ml in a volumetric flask. This standard is stable tor S months. A different source of potassium acid phthalate
must be used in this preparation than in the standard. 5.0 PROCEDURE 5.1 Preparation of COD Tubes When preparing COD tubes, prepare as many as possible at the same time. Verify and document
the accuracy of the pipettor at the beginning and end of the dispensing process. 5.1.1 Wash all culture tubes with hot soapy water and rinse extremely thorQughlY with distilled water.
Allow to air dry or dry in oven. 5.1.2 Using an automatic pipettor. set at 2.8mls. add catalyst solution to each COD tube. 5.1.3 Using a second pipettor, sel at 1.2mls, add digestion
solution to each tube. CAUTION: TUBES WIU BECOME HOT. THESE SOLUTIONS ARE EXmEMELY CORROSIVE!!! WEAR SAFETY GLASSES. GLOVES AND A,LAB COAT WHEN HANDUNG THESE CHEMICALS. . . 5.1.4 􀀢􀀺􀀺􀀴􀁾􀀧􀁩􀀻􀀮􀀮
􀁐􀁾􀀠 to? 􀀺􀁲􀁾􀁾􀀠
BUS. DEVELOPE 􀁓􀀷􀁾􀀠46318S3 p.le Feb IS 01 10:4Sa R.l"'lGROUP, Effective Date: August 5.1993 Approved 7;,It By QAM: Subject COD COLORIMETRIC ANALYSIS using BLOCK DIGESTION Method:
EPA Page Revision 410.4 30f10 Approved 8·11·95 By LM: 􀁾r 5.2 Preparation ot Standards Vpl coo SId (mil VoiD!. Water (ml) Conc. of Std (mg/L) 0.00 2.00 O· 0.10 1.90 40 1.00 1.00 400
2.00 0.00 800 CAUTION: ALL TUBES MUST BE SHAKEN PRIOR TO GOING INTO COD REACTOR TO PREVENT THEM FROM EXPLODING. PLACE IN BLOCK DIGESTOR GENTLY TO AVOID BREAKING TUBES. 5.3 Preparation
of Samples Place enough COD lubes in a test tube rack to prepare a complete batch including all ac specified in Section S.Oplus a few extras to use if dilutions are needed.· 5.3.1 Be
sure that the sample is mixed completely. If it contains solids which will not suspend easily, mix with a blender before sampling. The sample should be able to easily pass through a
pipet tip without clogging. 5.3.2 Add 2ml of sample to a COO tube using a volumetric pipet 5.3.3 For each spike add 1ml COD standard and 1ml sample to a COD tube using volumetric pipets
or calibrated pipettors. Cap and shake well. 5.3.4 Prepare an LCS by pipeting 1 ml of LCS stock and 1 ml of DI water into a COD tube. 5.3.5 Some samples will have a high COD content
and the tube will tum green or aqua immediately upon adding sample. If this happens, a dilution will need to be made. 5.3.5.1 TI)' a 1:1 dilution first. If a 1:1 dilution turns tube
green, then tIY a 1 to 10 dilution. Use a volumetric pipe! to add 10ml of sample into a 100ml graduated cylinder. then dilute to 100ml using deionized water. 
Feb 1S 01 10:4Sa RJN GROUP, BUS. DEVELOPE 57? 4631893 p. 13 "] Effective Date: August 􀁾􀀱􀀹􀀹􀀳􀀠 Subject COD COLORIMETRIC ANALYSIS Method: EPA 410.4 Page 40110 Approved BV QAM: 􀁾􀁾􀀠
Approved By LM: 􀁾 using BLOCK DIGESTION Revision 8-11-95 5.3.5.2 If a 1:10 dilution turns green, then run a 1:100 dilution by using a volumetric pipet to add 1 ml of the original sample
into a 100ml graduated cylinder and diluting to volume with deioniZed water. NOTE: All dilutions must be made before the digestion. Recheck the tubes after 15 minutes to see if any have
turned green and need further dilution. 5.3.6 When all of the samples and dilutions have been prepared, place the tubes in the preheated COO block digester. Remember to shake tubes well
before heating. Allow the tubes to digest for 2 hours. 5.3.7 After 2 hours, take the tubes out of block digester and allow them to cool. 5.4 Low Level Modifications The following modifications
to this SOP are needed for samples requiring analysis at levels below 20ppm. 5.4.1 Special low level COD tubes from HACH are required. 5.4.2 Dilute the 800ppm standard 1:10 to get a
aOppm standard. Prepare the standard COD tubes as follows: Vol aOppm Std (ml) Vol 0.1. Water (ml) Conc. of SId (mgtL) 0.00 2.00 o 0.25 1.75 10 0.50 1.50 20 1.00 1.00 40 2.00 0.00 80
5.4.3 To prepare an LCS, use only 0.100ml of the 1000ppm LCS concentrate plus 1.900ml of DI water. 5.4.4 Use the Spec 20 rather than the Spec 200 and set the wavelength to 420nm. After
a 15min. warm-up, adjust the needle to 0% transmittance. 5.4.5 For this colorimetric low level analYSis, you will be measuring the decrease in yellow color rather than the increase in
green color. Insert the blank and adjust the needle to 0.5 absorbance units. Each increase in concentration will yield a smaller absorbance value. 
.Feb 19 01 10:Soa 􀁒􀁊􀁾􀀮􀁇􀁒􀁯􀁕􀁐􀀬􀀠 BUS. DEVELOPE 97?4S31893 p.14 \ Effective Date: August 5.1993 Subject COD COLORIMETRIC ANAL VSIS Method: EPA 410.4 Page 50f10 Approved By QAM:
􀀭􀁾 Approved By LM: IJV using BLOCK DIGESTION Revision 8-11·95 5.5 Photometric Analysis 5.5.1 Tum on the Spec 200. Allow a 15 minute warm-up. 5.5.2 Use the visible photocell and the
red filter. 5.5.3' Set the wavelength with the dial on top of the Spec 200 to 600nm. 5.5.4 Using the knob on the left, zero the machine to the zero on the left side of the scale. 5.5.5
Insert the calibration blank (Section 8.1.2) and set full scale absorbance at zero. Repeat the above procedure to be sure the Spec 200 is correctly zeroed and stabilized. 5.5.6 Wipe
each tube clean before inserting it into the Spec 200. Insert the standard and sample tubes and read the absorbance on the lower (Absorbance) scale. Record this value in the data book.
6.0 . CALCULATIONS 6.1 Standard Curve Calculations (mg/l..) Prepare a standard curve by plotting the absorbance values of the standards versus COO concentration of that standard. Obtain
the concentration value of the samples directly from the standard curve. The curve is prepared and concentrations may be calculated using a calculator, computer, or by hand plotting
and. graphing the analytical results. 6.2 Dilution Factor Calculation Dilution Factor (OF) = (C + 8) Ie Sample Concentration (mg/L) = A [(C + B) IC] = A x OF Where: A ;:: mg/L of COD
in diluted aliquot from standard curve B "" ml of deionized water used for dilution C = mt of sample aliquot OF ={10ml + 90ml)/10ml = 10 . Sample Concentration = 108.33 mg/L x 10 '=
􀀱􀀰􀀸􀀳􀀮􀀳􀁭􀁾􀀠 
Feb 19 01 10:50a RJN.GROUP, BUS. DEVELOPE 97? 4631893 p.15 ) Effective Date: August 5, 1993 Subject COD COLORIMETRIC ANALYSIS using BLOCK DIGESTION Method: EPA 410.4 Page 60t10 Revision
8-11-95 Approved By QAM: 􀁾 Approved By LM: 􀁴􀀡􀀧􀁾 6.3 Detection limit Calculation A new detection limit must to be calculated any time there is a dilution. This is done by multiplying
the normal detection limit times the dilution factor. Det Limit = 20ppm X 10 = 200ppm 7.0 SOILS AND SLUDGE MODIFICATIONS This method is not suitable for soils or sludges. 8.0 QUAUTY
CONTROL Each BATCH, of no more than 10 samples of like matrix must meet certain ERMI QC Criteria before the batch data can be released and the final report prepared. 8.1 Definitions
8.1.1 Batch A batch of samples is made up of one (1) to ten (10) samples of like matrix plus a Matrix Spilce Sample, a Matrix Spilce Duplicate Sample, and a Laboratory Control Sample.
8.1.2 Calibration Blank A volume of deionized water treated in the same manner and containing the same reagents as the samples used in the spectrophotometric analysis (Section 5.0).
8.1.3 Calibration Standards A senes of known standard solutions used by. the analyst to prepare a standard curve. This series consists of a volume of deionized water and standard solution
treated in the same manner and containing the same reagents as the samples. The calibration blank and the calibration standards are analyzed at the beginning of the run. If there are
continual batches for the same parameter being run at the same time, one set of calibration standards will suffice for all batches run. 8.1.4 Matrix Spike Sample A known concentration
of stapdard is added to a separate aliquot of sample prior to adding the reagents ..'Spike concentration levels should be selected' by considering sensitivity and aete.¢tjon limits.
The Matrix Spike Sample is usee!to document the accuracy of the method. 
Feb 19 01 10:50a RJ" ,,,ROUP, BUS. DEVELOPE 􀁓􀀷􀀻􀀻􀀧􀁾􀀠 4631893 p.16 , Effective Date: AUQust5.1993 Subject Method: EPA 410.4 Approved ( BV QAM: 􀁾4 tJ 􀁉􀀠 COD COLORIMETRIC ANALYSIS
Page 70f10 Approved 􀀬􀁾􀀻􀁴􀀮􀀯􀀠 By LM: Jf.J:? using BLOCK DIGESTION ReVision 8--11-95 8.1.5 Matrix Spike Duplicate Sample This sample is a duplicate analysis of the Matrix Spike Sample,
spiked at the same concentration. Matrix Spike Duplicate Samples are used to document the precision of the method. The standard deviation and coefficient of variation are calculated
using the spike and the spike duplicate data. 8.1.6 Laboratory Control Sample This sample Is a standard from a different source than the calibration standards which must be taken through
the complete analytical procedure. It is used to check the accuracy of the standardization. 8.2 Quality Control Limits 8efore any data is submitted, it must meet the following ac Criteria.
A Non-Conformance form must be completed for any batches not passing one or more of the ac Criteria, the problem{s) must be resolved, and the batch reanalyzed to achieve quality results.
If insufficient sample exists for reanalysis, the customer needs to be contacted and either more sample obtained or approval given to report results outside fRMI ac Limits. Any results
with ac outside ERMI ac Limits must be documented on the final report. 8.2.1 Recovery The reported recovery is the average recovery of the Matrix Spike and Matrix Spike Duplicate analyses.
This value must not exceed 100±10% to pass fRMI ac requirements. The entire batch must be reanalysed if this value is exceeded. 8.2.2 Coefficient of Variation The coefficient of variation
is calculated using the Matrix Spike and Matrix Spike Duplicate analyses. This value must not exceed 10% for the batch to pass ERMI ac requirements. 8.2.3 Laboratory Control Sample The
recovery of this ac sample must not exceed 1 00±1 0% for the batch to pass fRMl ac requirements, 8.2.3 Absorbance Verification The absorbance of the 400ppm standard must be within 10%
of the average of the last four 400ppm standards for it to pass this ERMI ac requirement. 
Feb 19 01 10:50a RJN GROUP, BUS. DEVELOPE 972 4631893 p.17 '\ Effective Date: Subject AUGust 5. 1993 Method: EPA 410.4 Approved t/.ui COD By QAM: >"/f1Jl COLORIMETRIC ANALYSIS Page 8
of 10 Approved using By lM: BLOCK DIGESTION Revision 8·11·95 8.3 Quality Control Calculations Example Dala: Spike 345,8 Spike Dup 355.8 8.3.1 Mean (x) is the arithmetic sum 01 all the
duplicate values in a batch divided by the total number of duplicate samples. x ;:: 􀀨􀁸􀁬􀀫􀁾􀀩􀀱􀀲􀀠 x = (345.8 + 3SS.8) 12 x = 350.SmglL 8.3.2 Standard Deviation (SO) represents the
dispersion of the samples around the mean. It is estimated by making a number of replicate measurements of a given sample. This value may be calculated using a calculator and following
the manufacturer's instructions, or by using the simplified formula below if only two data points are collected. 8.3.3 Standard Deviation for two data points so = l:xa-xl 1/1.4142 SO
'" 1345.8 -355.81/1.4142 SO = 7.071 0.3.4 Coefficient of Variation (CV) cv = Standard Deviation (SO) .x 100 Mean (x) CV = 7.071 x 100 350.8 cv = 2.02% 
Feb IS 01 10:51a RJN GROUP, BUS. DEVELOPE S7? 46318S3 p.18 Effective Date: August 5 1993 Subject COD COLORIMETRIC ANALYSIS using BLOCK DIGESTION Method: EPA 410A Page 90f10 Revision
8-11-95 Approved 4 By CAM: q(JI Jl Approved ... .,L By LM: 1'..&:r2. 8.3.5 Percent Spike Recovery (% Recovery) For example, the concentration of a sample is 701.6mg/L and the spiked
sample is 760.5mg/L. This sample was spiked with 1 ml of 800mgIL standard. Spike Conc. (mg/L) = Vol of Spike (mil x Cone of Spike (mgtl ) Vol of Sample (m!) = 1 ml x 800mg/L 2ml =400
mg/L %Recovery = Spiked Sample Conc. -J,2Qriginal Sample Cone x 100 Known Spike Concentration = 760.5 -350.8 x 100 = 102.4 400mg/L 9.0 SAFETY AND HYGIENE 9.1 Wear safety glasses, gloves,
and a lab coat 9.2 Read the MSDS sheets for additional safety and hygiene information on the chemicals used in this procedure. 9.3 8e aware that the tubes become very hot and build up
pressure while the digestion is proceeding. 9.4 Use the safety shield on the block digestor. 10.0 WASTE DISPOSAL 10.1 All digested samples and standards must be treated as hazardous
wastes. They are composited and tumed in to the Hazardous Waste Coordinator for disposal according to our Hazardous Waste Disposal Plan. 10.2 Unused sample which has no toxic properties
should be neutr¥lized and poured down the sanitary sewer. 
Feb 19 01 10:51a RJN GROUP. BUS. DEVELOPE S?2 4631893 1" 1 9 . 􀁾􀀠 ... Effective Date: August 􀁾 1993 Subject COD COLORIMETRIC ANALVS1S Method: EPA 410.4 Approved S By QAM: "-1L. J
11 Page 10of10 Approved By LM: using BLOCK DIGESTION Revision 8-11-95 11.0 CLEAN UP AND MAINTENANCE Wash glassware with a laboratory grade detergent then rinse three times with tap water.
Allow to soak in 01 water for several hours. then rinse three times with 01 water. Be sure to rinse all glassware extremely well. Any residue of soap wlll be measured by this test ..

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FNI DALLAS P.02 JAN-31-2001 08:35 1701 N. Market Street, Suite 500 LB 51 Dallas, TIIlCBS 75202-20D1 Phone, (214)92002500 fax. (214) 92D-2565 w;ww.trgge·mm p(Dillet: Number: ADDOO3S6
TO: Michael MUrphy FROM: Jim Baddaker DATE: January 31, 2001 BE: ADDISON SEWERSTUDY Weekly Report (Jan 22-26) cc: ADO Project Updates: • No work. • Tasks and deliverables for the next
two weeks: • Meet with DWU Date: Deliverable: February 8, 01 Meet with DWU Additional Issues: • Waiting on DWU to review report and set up meeting •• 
JAN-31-2001 08:35 FNI DALLAS P.01 Fax Transmittal TO: Michael Murphy fax: 972-4S0·2837 FROM: I.R. Baddaker DATE: 1131101 SUBJECT: Sewer Study Weekly Update Total number of pages including
trllllSlllittal sbeet: 2 lfthere is a problem receiving any ofthe pages, please call Leah at 214-920-2500. COMMENTS: -ENDcc: ADDOO3S6· 1.4 
JUL-11-2000 10:29 FNI DALLAS P.01 SimoIIW._.P.6. I_1m M_C.tou:llol&,'.E. 􀀱􀁾􀀱􀀹􀀶􀀹􀀠 Fax Transmittal TO: Michael Murphy fax: 972-450-2837 FROM: I.R. Baddaker DATE: 7/11100 SUBJECT:
Sewer Study Weekly Update Total number ofpages including transmittal sheet: 2 IftheTeis a problem receiving any ojthe page •• please call Leah at 214-920-2$00. COMMENTS: -ENDcc: ADDOO3S6-1.4
M:\WEEKLYREPORTS\lVLY2000\7_9WEEKLY REPORT.OOC 
JUL-11-2000 10:29 FNI DALLAS P.02 FREES!:.NICHOLS 1701 N. Market Street" Suite 500 LB 51 Dallas. Taxa" 75202-2001 PhDne: (214) 920-2500 Fax: (214) 920-2565 !'fWW.freme,cgm prDject Number:
ADD00356 TO: Michael Murphy FROM: Jim Baddaker DATE: July 11,2000 RE: ADDISON SEWER STUDY Weekly Report (July 3-7) CC: ADG Project Updates: • Met with DWU on site to review protocols
and monitoring sites • R1N installed meters and samplers on the 7th • Tasks and deliverables for the next two weeks: • Flow monitoring and sampling daily • Leonard Ripley scheduled to
review sampling and metering setups on Wednesday July 12. Date: Deliverable: Additional Issues: •• • M:\WEEKlYREPORTS\lUlY2000\7_9WEEKlY REPORT. DOC 
April 13. 1999 Freese and Nichols. Inc. 1341 Mockingbird Lane -Suite 230E Dallas. TX. 75247 ATIN: Alan Greer. PE Re: Sanitary Sewer System Environmental Investigation. Dear Alan. The
Town of Addison appreciates your interest in responding to our Request for Qualifications for the referenced project. Freese and Nichols was the first selection of the Review Committee,
Carter Burgess was second and Garcia was third. Again thank you for your participation and I look forward to working with you and your staff. Therefore. please schedule Tuesday April
13, 1999 at 10:30AM to meet with me and my staff to discuss "SCOPE» of the project. Please feel free to contact me if you have any questions or need additional information. Sincerely.
Michael E. Murphy. PE Asst. Director f Town of Addison -Public Works 
REQUEST FOR QUALIFICATIONS FOR ENVIRONMENTAL INVESTIGATION The Town of Addison is presently accepting Statements of Qualifications from engineering consulting firms for an Environmental
Investigation ofthe "entire" sanitary sewer system of the Town of Addison. The purpose of this project is to determine why BOD and TSS levelshave'beelLcoosistentIy increasing. Also as
part of this project the successful engineering firm will be required to provide solutions and methods of implementation to lower the BOD and TSS limits below the 250 mg/I surcharge
cap we are currently operating under. The most qualified firm will be asked to submit a proposal and a fee will be negotiated to perform the work. Addison will accept written Statement
of Qualifications (SOQ) from consultants through ???DATE?? Two (2) copies of the SOQ shall be submitted. The SOQ should contain a maximum number 􀁯􀁦􀁴􀁨􀁩􀁲􀁴􀁹􀁾􀁦􀁩􀁶􀁥􀀠(35) single
sided pages on 8 Yz" X 11" paper. The firm should provide enough irlformation to demonstrate their adequate experience in analysis of wastewater quality data, measurement of wastewater
flows, industrial waste discharges, infiltration and inflow and affects of construction activity and their ability to perform the work. The SOQ shall designate the individuals who will
be assigned to this project (Principal-in chru;ge, Project Manager, Project engineer, etc.) and resumes for each individual. A list ofi1imilar projects that the firm has completed in
the last five (5) years shall be provided. For each project a description shall be provided along with completion date, names of project members involved in the project, name of the
client, contact pe,rson, and phone number for contact person. All 􀁷􀁲􀁾􀁮􀀠Statements of Qualifications submitted will be evaluated by the Selection CommIttee, which will be made up
of Mike Murphy (Assistant Director of Public Wodl's), Jim Pierce (City Engineer), Keith Thompson (Utilities Foreman). The review of the SOQ's will be based on the selection criteria
shown on the attached page. The SOQ shoulo speCifically address each criterion for evaluation. If it is deemed necessary, the top three (3) firms will be asked to meet with the Town
and make oral presentations. The Town reserves the right to end this relationship if the Town is not satisfied with the performance ofthe firm andlor if it is in the best interest of
the Town. The Town and the Engineer are not under any obligation to continue with subsequent projects. Interested consultants should direct questions and submit Statements of Qualifications
to: Mailing: Michael E. Murphy, P.E. FAX: (972) 450-2837 Asst Director ofPublic Works OFF: (972) 450-2878 P.O. BoxU4 Addison, Texas 75001 
PUBUC WORKS DEPARTMENT (!I72) 4so.2871 16801 Westgrove AprilS, 1999 Garcia & Associates Engineering, Illc. 6S50 Manhattan Blvd. -Suite 300 Fort Worth, TX. 76120 ATIN: Don M. Treude,
PE Re: Sanitary Sewer System Environmental Investigation. Dear Don, The Town of Addison appreciates your interest in responding to our Request for Qualifications for the referenced project.
However, Freese and Nichols was the first selection of the Review Committee, Carter Burgess was second and Garcia was third. Again thank you for your participation and I look fOlWarn
to working with you and your staff on future projects. Please feel free to contact me if you have any questions or need additional information. 􀁓􀀻􀀻􀁦􀀮􀁾􀀠 Michael E. Murphy, PE .Asst.
Director f Town of Addison -Public Works 
PUBLIC WORKS DEPARTMENT (2) 450-2811 Post Office Box 9010 􀁁􀁤􀁤􀁩􀀸􀁯􀁮􀁾􀀠Texu 75001-9010 􀁬􀁾􀁬􀀠Wesigrove April 8, 1999 Carter-Burgess, Inc. 7950 Elmbrook -Suite 250 Dallas, TX ..
ATTN: Albert C. Petrasek, Jr., Ph.D., PE Re: Sanitary Sewer System Environmental Investigation. Dear AI, The Town of Addison appreciates your interest in responding to our Request for
Qualifications for the referenced project. However, Freese and Nichols was the first selection of the Review Committee. Carter Burgess was second and Garcia was third. Again thank you
for your participation and I look forward to working with you and your staff on future projects. Please feel free to contact me if you have any questions or need additional information.
Sincerely. .d 􀁾􀀠 ;-1t/f. /'147/' Michael E. Murphy. PE . Asst. Director I Town of Addison -Public Works 􀁐􀁲􀁾􀁲􀁊􀀠 􀁾􀁦􀁦􀀲􂂬􀂣􀁐􀁾􀀠􀁾􀀠 􀁾􀁾􀁲􀁴􀀺􀀮􀀠 􀁾􀁾􀀼􀀠􀁾􀀱􀀬􀀩􀀱􀁩􀁾􀀠
􀁾􀀠(lA f3A 􀀨􀁣􀀾􀀧􀀧􀀧􀀧􀀧􀀢􀀧􀁾􀀠 , 
MEMORANDUM To: Chris Terry I Asst. City Manager From: Michael E. Murphy, PE I Acting Director ofPublic Works Re: Proposal from Freese & Nichols fur Phase I Engineering Services related
to the Sanitary Sewer System Environmental Investigation. Date: April 4, 2000 Attached is a proposal from Frcese & Nichols fur Engineering Services related to the Sanitary Sewer System
Environmental Investigation. We are planning a three-phase approach to investigate the Town ofAddison's Sanitary Sewer System in an attempt to determine what is causing increasingly
high BOD (Biochemical Oxygen Demand) and TSS (Total Suspended Solids) readings. These are readings that indicate the pollutant strength ofthe Towns Sanitary Sewer Effluent. These indicators
are then used to determine ifany surcharge fines are to be assessed to the Town of Addison by the City ofDallas. For the last several months we have seen an increase in surcharge fines
from the City of Dallas go from $2000 -$3000 per month up to a high of $22,000, which over the last 12 months is averaging approximately $10,000 per month. Phase I would collect flow
and sampling data from the City ofDallas for review purposes, instaIJ flow meter and sampling equipment immediately upstream ofthe Trinity Christian, Dallas Parkway, and Arapaho road
metering fucilities. The flow monitoring and sampling would coincide with the City ofDallas sampling ofthe Town's discharge. The results would then be compared with City ofDallas sampling
results. Phase 2 would be initiated ifthe Phase I results did not identifY the sources ofthe problem. Phase 2 would establish a sampling and flow monitoring plan for upstream ofthe meter
stations in an attempt to isolate the sourees ofthe high BOD and TSS readings. A review of existing land use, industrial permit users and sources, along with manhole inspections would
be included. Once the sources ofthe high readings are determined, and then a specific plan for mitigation will be developed as Phase 3 ofthe process. The proposed cost fur Phase I Engineering
Services is $46,863 and will be accounted for in the Utilities Fund Account for Engineering Services 61-711-56570. Funds fur Phase 2 were approved in the 1999-2000 Budget in the amount
of$131,OOO and funds for Phase 3, ifnecessary, will be requested in 2000-200 I Budget. Staffrecommends that the Council authorize the City manager to enter into a contract \vith Freese
& Nichols for Phase I Engineering Services estimated at $46,863. 
Utilities Division Report for the month of March 2000 February 11, 2000 through March 9, 2000 >tal Gallons from ROPs >tal Gallons Billed :counted for Water -Leaks & City sconnections,
Final Reads, Loan Meters >tal Billed and Accounted for Water >tal Unaccounted for Water >tal Percent of Unaccounted for Water inimum Daily Pumpage aximum Daily Pumpage lerage Daily Use
onthly Sewer to Dallas onthly Sewer to TRA wood Sewer Contract (Farmers Branch) alias Franchise, Winter Average >181 Sewer Usage 􀁾􀁷􀁥􀁲􀀠Return Compared to Water Usage >181 Number
of Accounts >tal Number of Water Samples lsitive Samples 3gative Samples Jmber of Service Orders let of Sewer Line Cleaned 􀁾􀁥􀁲 Stoppages or Larger Water Main Breaks nount of Rainfall
Jmber of Billing Days -Addison This Month 141,402,000 120,491,210 589,150 121,080,360 20,321,640 14.37% 4,180,000 5,814,000 5,050,071 37,788,300 68,409,000 766,016 6,500,000 113,463,316
80.24% 3,122 25 0 25 130 0 0 1 0.95 28 Last Month 133,840,000 118,172,600 606,670 118,779,270 15,060,730 11.25% 3,836,000 5,644,000 4,615,172 26,409,000 62,580,000 814,424 6,500,000
96,303,424 71.95% 3,122 25 0 25 156 1,621 2 1 0.22 29 Year to Date 1,000,871,000 894,481,821 4,337,460 898,819,281 102,051,719 10.20% 2,729,000 9,100,000 5,686,767 167,349,900 386,325,000
5,336,856 39,000,000 598,011,756 59.75% 3,136 149 1 148 1083 30,610 6 4 7.31 176 Year Ago to Date 906,188,000 835,730,273 3,211,014 838,941,287 67,246,713 \) 7.42% 2,163,000 8,766,000
4,584,379 137,994,900 343,929,000 5,803,112 39,000,000 526,727,012 58.13% 3,186 65 0 65 1,238 23,308 3 1 20.59 183 
PUBLIC WORKS DEPARTMENT (972) 450-2871 􀁩􀀡􀁩􀀡􀀡􀁾􀁾􀀡􀁩􀀡􀀡􀀡􀁩􀀡􀁩􀀡􀀡􀀡􀀡􀁩􀀢􀀢􀀬􀀬􀀡􀁩􀁯􀁯􀀡􀀡􀂮􀀠 Pos' Qlliee Box 9010 Addison, Te... 7S001-9010 16801 W"'grove March 29, 1999 _
Malcolm Pimie, Inc. 12221 Merit Drive Suite 1170 Dallas, TX. 75251 ATIN: Robert McCollum, PE /Associate Re: Environmental Investigation ofSanitary Sewer System Dear Mr. McCollum, The
Town of Addison appreciates your interest in responding to our Request for Qualifications for the referenced project. Unfortunately, Malcolm Pirnie Engineering was not chosen as a finalist
and is no longer being considered for this project. Thank you for your participation. Si;?r. Afvfir Michael E. Murphy, PE Ass!. Director of PubliC Works /Addison 
PUBtle WORKS DEPARTMENT (972) 450-2871 􀁾􀁾􀁾􀁾􀁾􀁾􀁾􀁾􀂮􀀠Post Offi.. Box 9010 Add;,on. T.... 75001-9010 16801 WeSlgrovc March 29, 1999 _. Parsons Engineering Science, Inc. 5485 Beltline
Road Suite 199 Dallas, TX. 75240-7655 ATIN: Jack Thibodeau, PE I Manager, Dallas Office Re: Environmental Investigation of Sanitary Sewer System Dear Mr. Thibodeau, The Town of Addison
appreciates your interest in responding to our Request for Qualifications for the referenced project. Unfortunately, Parsons Engineering was not chosen as a finalist and is no longer
being considered for this project. Thank you for your participation. Sincerely, L __ A 􀂷􀀴􀁦􀂷􀁾􀀯􀁲􀀠 Michael E. Murphy, PE Ass!. Director of Public Works I Addison 
PUBLIC WORKS DEPARTMENT (972) 4S0-2871 Post Off... Box 9010 Addlso". T..... 75001-9010 16801 We!ltgrove March 23.1999 Garcia & Associates Engineering, Inc. 6850 Manhattan Blvd. -Suite
300 Fort Worth, TX. 76120 ATTN: Don M. Treude, PE Re: Sanitary Sewer System Environmental Investigation. Dear Don, Thank you for your interest in working with the Town of Addison. As
a result of your firms qualifications I would like to inform you that Garcia &Associates has been selected as a finalist for the Sanitary Sewer Environmental Investigation Project. Therefore,
you are scheduled for 2:30 pm on Thursday April 1, 1999 to make a brief presentation to the Project Review Committee. You will be allowed forty-five minutes to make your presentation
and answer questions from the Review Committee. For your information I am including copies of our last four Dallas Wastewater Sample Results. Location for presentations: 16801 Westgrove
Drive in the Town of Addison's Service Center down stairs conference room. Please feel free to to contact me if you have any questions or need additional information Sincerely, /Pi f'.
Michael E. Murphy, PE Ass!. Director I Town of Addison -Public Works 
The City ofDallas Wastewater Sampling Survey results for Addison are I\ot available for October 1998, November 1998, and January 1999. 
4-Aug 5-Aug 6-Aug 7-Aug 8-Aug 9-Aug ,1Q-Aug 11-Aug 12-Aug TSS 196 239 171 253 407 443 239 125 55 BOO 163 208 176 171 160 60 187 100 122 allowable 250 250 250 250 250 250 250 250 250
500 400 300 200 100 0 ACADEMY !__TSS i___ BOO "allowable i i !b ' ., " :.". 􀀣􀀧􀁾􀀠 􀀼􀀸􀀧􀀿􀁾􀀠 ",I'''' 􀀢􀀧􀁾􀁾􀀠 ",I'''' 􀀧􀁑􀁦􀁊􀁾􀀠 q}.. .􀀼. 􀀺􀀻􀁾􀀠 'Q.\. ...f.J'" <8"'''' 4-Aug
5-Aug 6-Aug 7-Aug B-Aug 9-Aug 1Q-Aug 11-Aug 12-Aug TSS 308 969 573 2522 433 319 212 131 103 BOO 179 390 242 655 251 67 174 91 50 allowable ,-_.::25:::0'--_-=2:::5Oc::..._-=2:::50'--_-=2:::5:.::.0__.:
:25:::0'--_-=2:::5Oc::..._-=25:::0'--_..:2:::5O,,-_..:2=5::=,0 BRANCH __TSS ___ BOO allowable 􀀢􀀧􀁾􀁾􀀠 <8# fJ'" f.J'Q #'􀁾􀀧􀀢􀀠 􀁾􀀠 􀀢􀀧􀁾􀁾􀀠 􀀧􀀣􀀧􀁾􀀠􀀼􀀸􀁾􀀠 <8......􀁾􀀠<8.#
4-Aug 5-Aug 6-Aug 7-Aug B-Aug 9-Aug 10-Aug 11-Aug 12-Aug TSS 570 1121 356 470 765 853 70 187 624 BOO 230 560 188 285 382 196 66 182 465 allowable 250 250 250 250 250 250 250 250 250
KELLER SPRINGS __TSS :___ BOO allowable 
9/9/98 9/10/98 9/11/98 9/12198 9/13/98 9/14198 9/15/98 9/16/98 9/17/98 TSS 788 670 1625 1935 1050 525 297 68 612 BOD 140 302 806 705 340 374 201 43 324 allowable 250 250 250 250 250
250 250 250 250 ACADEMY 1500 1000 500 =_..o 9/9/98 9110198 9111198 9112100 9113198 9I14l98 9118198 9118198 9117198 I--TSS ,__BOO allowable I 9/9/98 9/10198 9/11/98 9/12198 9/13198 9/14/98
9/15198 9/16/98 9/17198 TSS 653 145 992 801 565 460 709 662 649 BOD 313 174 344 214 313 306 559 356 448 allowable 250 250 250 250 250 250 250 250 250 BRANCH 1200 1000 800 ' __TSS 600
__BOO 400 allowable 200 0 919198 9110198 9/11/98 9112100 9113198 9I14l98 9115198 9116/98 9117198 ',:': 919/98 9/10198 9/11/98 9/12198 9/13/98 9114198 9/15198 9/16198 9/17/98 TSS 934
428 512 1992 518 246 3000 1720 630 BOD 204 227 290 712 256 197 850 485 395 allowable 250 250 250 250 250 250 250 250 250 KELLER SPRINGS 4000 3000 __TSS 2000 __BOO 1000 allowable 0 •
"C 􀁾􀀮􀀠 ••• ..' --. .0_ . . ... ...... 􀀯􀁾􀀠 . ::.. ... /"-..... /.. , i .,/....... :/.. • . I 9/9/98 9110198 9111198 9/12198 9/13/96 9114198 9115198 9/16198 9117/98 
1212198 1213/98 1214198 1215/98 1216/98 1217/98 ,1218198 1219/98 12110198 TSS 751 179 493 148 88 364 404 274 50 BOD 460 151 207 118 64 182 188 180 45 allowable 250 250 250 250 250 250
250 250 250 ACADEMY " __TSS I ! -----BOO I L, -allowable 1212198 1213/98 1214198 1215198 1219198 1217/98 1218/98 1219/98 12110198 TSS 35 174 434 170 144 523 1038 3465 28 BOD 32 120 182
142 246 218 252 645 25 allowable 250 250 250 250 250 250 250 250 250 BRANCH 1212198 12t3/98 1214/98 1215/98 1216198 1217/98 1218/98 1219198 12110/98 TSS 330 648 194 36000 98 7265 593
1282 1346 BOD 225 315 140 1500 92 1075 300 308 655 allowable 250 250 250 250 250 250 250 250 250 KELLER SPRINGS , " _ 7 7 A" ,' '" --o 􀀭􀁉􀁾􀀡􀀧􀀭􀀧􀀼􀁾􀀭􀁾 1\ j __TSS I ______ SOD
• =8'"--BOO 10000 . allowable: 
2-Feb 3-Feb 4-Feb 5--Feb 6-Feb 7-Feb B-Feb 9-Feb 1()"Feb TSS 968 310 1137 163 53 238 182 186 233 BOD 240 230 490 118 48 142 106 154 125 allowable 250 250 250 250 250 250 250 250 250
ACADEMY 800 1200_,,_ 1000 I--TSS 800 ........ BOO 400',·" ':" , ! .allowable 􀀲􀁏􀁏􀁒􀁾􀀠 o 2J2I99 213199 214199 215/99 2/6199 2fl/99 218199 219/99 2110199 2-Feb 3-Feb 4-Feb 5--Feb 6-Feb
7-Feb B-Feb 9-Feb 1()"Feb TSS 190 194 122 4203 962 323 462 122 199 BOD 210 223 200 1340 408 334 280 171 247 allowable 250 250 250 250 250 250 250 250 250 BRANCH I--TSS ........BOD allowablei
2-Feb 3-Feb 4-Feb 5--Feb 6-Feb 7-Feb 6-Feb 9-Feb 1 ()"Feb TSS 206 163 315 115 82 156 247 228 202 BOD 114 134 161 92 92 168 199 159 131 allowable 250 250 250 250 250 250 250 250 250 KELLER
SPRINGS 212199 213199 214199 215199 216199 2fl199 216199 219199 2110199 __TSS ........ BOO allowable, 
PUBUC WORKS DEPARTMENT (972) 450-2871 Post Office Box 9010 Addison, TeXB5 􀀷􀀵􀀰􀀰􀀱􀁾􀀹􀀰􀀱􀀰􀀠 16801 We.stgrove March 23, 1999 Carter -Burgess, Inc. 7950 Elmbrook -Suite 250 Dallas,
TX. ATTN: Albert C. Petrasek, Jr., Ph.D., PE Re: Sanitary Sewer System Environmental Investigation. Dear AI, Thank you for your interest in working with the Town of Addison. As a result
of your firms qualifications I would like to inform you that Cater Burgess has been selected as a finalist for the Sanitary Sewer Environmental Investigation Project. Therefore, you
are scheduled for 1 :30 pm on Thursday April 1, 1999 to make a brief presentation to the Project Review Committee. You will be allowed forty-five minutes to make your presentation and
answer questions from the Review Committee. For your information I am including copies of our last four Dallas Wastewater Sample Results. Location for presentations: 16801 Westgrove
Drive in the Town of Addison's SeNice Center do\im stairs conference room. Please feel free to contact me if you have any questions or need additional information Sincerely, /J//.£ 􀁾􀀠
/Ji'L 􀁦􀂷􀀯􀁾􀁯􀀠 Michael E. Murphy, PE Ass!. Director I Town of Addison -Public Works 
The City ofDallas Wastewater Sampling Survey results for Addison are not available for October 1998, November 1998, and January 1999. 
4-Aug 5-Aug 6-Aug 7-Aug 8-Aug 9-Aug ,10-Aug 11-Aug 12-Aug TSS 196 239 171 253 407 443 239 125 55 BOD 163 208 176 171 160 60 187 100 122 allowable 250 250 250 250 250 250 250 250 250
ACADEMY 500 ." , 400 -+-TSS 300 200 .-+-BOD -" , 10a0 .-.-.,:-,,-.allowable !b fb 􀀧􀁏􀁴􀁾􀀠 􀁱􀁽􀁾􀁾􀀠 #,'0 􀀧􀁏􀁾􀀠 #,'0 􀀧􀁏􀁾􀁾􀀠 o$>f.J .....f..J 􀁾􀀧􀁏􀀠 􀁾􀀠 􀁾􀀠 q}"'#' 4-Aug
5-Aug 6-Aug 7 -Aug 8-Aug 9-Aug 10-Aug 11-Aug 12-Aug TSS 308 969 573 2522 433 319 212 131 103 BOD 179 390 242 655 251 67 174 91 50 allowable .-_=25::..;0'--_...:;2:;;.5.:..0__.::;250""-_........:2::..
;5..:.0__.::;25::.,:0'--_...:;2:;;:5.:..0__.::;25::.,:0'--_...:;2:;;:5.:..0__.:::.250:.::.., BRANCH I-+-TSS .-+-BOD allowable TSS 4-Aug 570 5-Aug 1121 6-Aug 356 7-Aug 470 8-Aug 765 9-Aug
853 1()-Aug 70 11-Aug 187 12-Aug 624 BOD 230 560 188 285 382 196 66 182 465 allowable 250 250 250 250 250 250 250 250 250 􀀬􀀭􀁾􀁾􀀭􀀭􀁾􀁾􀀭􀀭􀁾􀁾􀀭􀀭􀁾􀁾􀀭􀀭􀁾􀁾􀀭􀀭􀁾􀀭􀀭􀁾􀁾􀀭􀀭􀁾􀁾􀀭􀀭􀀭􀀽􀁾􀀠
KELLER SPRINGS I-+-TSS ·-+-BOD allowable 
919198 9/10198 9/11198 9112198 9/13198 9114198 9115198 9116198 9/17198 TSS 788 670 1625 1935 1050 525 297 68 612 BOD 140 302 806 705 340 374 201 43 324 allowable 250 250 250 250 250
250 250 250 250 ACADEMY 2500 2000 :__TSS I 1500 '--.-800 ' 1000 I allowable I l 500 0 9/9198 9110198 9111/98 9112198 9113198 9114198 9/1519S 9/16198 9117198 919198 9/10198 9/11/98 9/12/98
9/13198 9/14198 9115/98 9/16198 9/17/98 TSS 653 145 992 801 565 460 709 662 649 BOD 313 174 344 214 313 306 559 356 448 allowable 250 250 250 250 250 250 250 250 250 BRANCH 􀁾􀁾􀀮􀁟..;;,.•:'.....,;r
... 800 600 . , '. 400 200 o .. ,' 919198 9110198 9111198 911211lS 9113198 9114198 9115198 9116198 9117196 I--TSS --'-SOD allowable: 919198 9/10/98 9/11/98 9112198 9113198 9/14198 9/15198
9116198 9/17198 TSS 934 428 512 1992 518 246 3000 1720 630 BOD 204 227 290 712 258 197 850 485 395 allowable 250 250 250 250 250 250 250 250 250 KELLER SPRINGS __TSS --'-SOD I allowable.
9I9I9S 9110198 9111196 91121118 9113198 9114196 9115198 9116198 9117198 i 
1212198 1213198 1214/98 1215198 1216/98 1217198 1218198 1219198 12110198 TSS 751 179 493 148 88 364 404 274 50 BOD 460 151 207 118 64 182 188 180 45 allowable 250 250 250 250 250 250
250 250 250 ACADEMY __TSS ___ SOD allowable 1212198 1213198 1214/98 1215198 1216198 1217/98 1218198 1219/98 12110/98 TSS 35 174 434 170 144 523 1038 3465 28 BOD 32 120 182 142 248 218
252 645 25 allowable 250 250 250 250 250 250 250 250 250 BRANCH __TSS ___ BOD allowable 1212198 1213198 1214198 1215198 12/8/98 1217198 1218198 1219198 12110198 TSS 330 648 194 38000
98 7265 593 1282 1346 BOD 225 315 140 1500 92 1075 300 308 655 allowable 250 250 250 250 250 250 250 250 250 KELLER SPRINGS __TSS ___ BOD allowable 
2-Feb 3-Feb 4·Feb 5-Feb 6-Feb 7-Feb 8-Feb 9-Feb 10-Feb TSS 968 310 1137 163 53 238 182 188 233 BOD 240 230 490 118 48 142 106 154 125 allowable 250 250 250 250 250 250 250 250 250 ACADEMY
__TSS 􀁾􀀠__BOD allowable 212J99 '213199 '214199 '215199 216J99 '217199 '218199 2/9/99 '2110199 2-Feb 3-Feb 4-Feb 5-Feb 6-Feb 7-Feb 8-Feb 9-Feb 1O-Feb TSS 190 194 122 4203 982 323 462
122 199 BOD 210 223 200 1340 408 334 280 171 247 allowable 250 250 250 250 250 250 250 250 250 BRANCH __TSS __ BOD allowable 2-Feb 3-Feb 4-Feb 5-Feb 6·Feb 7·Feb 8-Feb 9-Feb 1O-Feb TSS
206 163 315 115 82 156 247 228 202 BOD 114 134 161 92 92 168 199 159 131 allowable 250 250 250 250 250 250 250 250 250 KELLER SPRINGS 212199 213199 214199 2/5199 2/5199 2/7/99 2/5199
219/99 2110199 ' __TSS i __ aoD I allowable! 
Sent by: FREESE &NICHOLS 2149202565 03/04/00 9:08AM Job 936 Page 1 FREESE·NICHOLS :SnMn W, 􀁉􀀻􀁲􀁣􀁥􀁾􀀮􀀠P.Ii. 19(X)·]99Q 􀁍􀁾􀁎􀁬􀁵􀀠C. 􀁎􀁬􀁣􀁨􀀨􀁽􀁉􀁾􀀮􀀠J'£, lWi{... 19Cl<) Fax
Transmittal 􀁾􀁾􀀭􀁾􀁾􀁾􀁾􀁾􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭 TO: Michael Murphy, P.E. fax: 972·450·2837 Il J 0 fi J .'ROM: J.R. Baddllker P.E. r 􀁾􀀠 DATE: March 4, 2000
SUBJECT: Sewer Investigation Study Contracl Total number of 􀁰􀁡􀁧􀁥􀀮􀁾􀀠including transmittal sheet: 12 l{there is (/problem receiving allY <!{the pages, I,iease call Katlll)'1/􀀼􀁴􀁉􀀲􀀯􀀴􀂷􀀹􀀲􀀨
􀀩􀁾􀀲􀀵􀀰􀀰􀀮􀀠 COMMENTS: Thought you might want to look at this before Tuesday meeting. The laboratory and RJN costs to us have gone lip "pproximately $2.100. We hope that doesn't
ereate a prohlem. See you Tuesday. -ENDI.;C: FReESE A:"\1l NICIIOL"', INC .• 1101 N. MAftKET STREET. surn:. 500 LB:;1 ., IJAIj ,AS. rEXAS 7$:!tl1·!iJfJI TELEPI1(}NE: :lhV120·2500. 􀁦􀀻􀁜􀁘􀁾􀀠􀀲􀀱􀂷�
�􀁽􀁺􀁮􀀮􀀺􀀱􀀺􀀻􀁢􀁾􀀠 
Sent by: FREESE &NICHOLS 2149202565 03/04/00 9:08AM Job 936 Page 2 A 􀀽􀀺􀁊􀁾􀁴􀀺􀁌􀀺􀁢􀁾􀁊􀀺􀁩􀁹􀀠 OF SEt-VICE 1v[,u'ch 3. 2000 FREESE-NICHOLS Mr 􀁾􀁬􀁩􀁫􀁥􀀠Murphy, PE. Town of Addison
l680 I W,;slgrovc Drive Addison. Tx. 75001-90 I 0 Dear :vIr. Murphy We arc pleased to present our proposal to you for services related to the Olanitury Sewer Sysrcm Environmental Investigation.
QLlr te:tm members for the investigation includes Frecse :Lnd Nichols, lUN for now monitoring and sampling, and tentively ERMI for the laboratory work. As you are aware from Ollr meeting
last week, we are planning on a three phnsc appro<lch [0 the investigation. Phase 1 would eollect now and sampbng dam from the City of Dallas for review purposes, install flow melers
and sampling equipment immediately upstream of tbe Trinity Christian, Dallas Parkway, and Arapahoe Road metering facUities. The tlow monitoring and sampling would coincide with City
of Dallas sampling of the Town's discharge, The results would be compared with City of Dallas sampl ing results. 􀁐􀁨􀁾􀁌􀁾􀁥􀀠2 would be initiated if the Phase l results diJ not identify
the sources of the problern. Phase 2 would establish:l. sampling and now monitoring plan for upstream of tbe meter 􀁾􀁴􀁡􀁴􀁩􀁯􀁮􀁳􀀠 in an attempt to isolatc the ;;ources of the high
BOD and ToSS rcadings. A I"view 01' exisling land use, industrial permit users and sources, along with manhole inspections would be included. Once the sources of the high reading;; are
detennincd, then a specific plan for mitigation will be developed as Phase 3 of the process, A detailed description 01' Ihe scope of work is as f,lliuws: SCOPE m' SERVICES, hees!;! and
:-iiehols will render the foilowing professional servlce, in eonnection with the development of [he Project: Phase 1TillS phase set, up the baseline p,U'ameters for further analysis
during other phases or the investigation. The results of'this phase should identify problem areas io sampling :)n(l dala 􀁣􀁯􀁬􀁫􀁾􀁴􀁩􀁯􀁮􀀠 􀀺􀁬􀁴􀁯􀁴􀁯􀁣􀁾􀁬􀁳􀀬􀀠and determine if
further study is necessary by individual metering basin, i. Colkcl sampling nnd tlow data from Dallas Water Utilities (DWC}. AUe"J 1)0<· t,l) meeting with DWl) \0 review sampling protocols
used by the City and ;\$ccrtain lile type and format () f 􀁤􀀺􀁬􀀮􀁴􀁾􀁴􀀠avai lable. Freese and Nichols. Inc. • Engineers I. EnVironmental SCientIsts • AH;t1ltects 1701 North Market
Street. SUite 500 L8 51 • DaUas. Texas • 75:.202 214·920·2500 • Fax 214-920-2565 
Sent by: FREESE & NICHOLS 2149202565 03/04/00 9:09AM Job 936 Page 3 ___ Inspect DWU sampling point manholes. Inspect manholes immediately 􀁵􀁰􀁳􀁴􀁲􀁥􀁾􀁭􀀠of the DWU meters to determine
suitability for installation of tlowmeters and automatic sumplin" equipment. This task will be performed by RJN. . " , ..L Install t10w meters and automatic samplers at suitable manholes
immediately upstream of upstream of the Trinity Christian, Dallas Parkway, and Arapahoe Road metering stations. Three flow meters and six samplers are anticipated. This task will be
performed by RJN. 4. CoHect hourly samples at the temporary flow monitoring stations for a period of 10 day:;. Twenty four houdy samples will be collected for each day ,md tr:lllsporled
to the laboratory. The tlow monitoring and sampling period ,hould correspond to [he same time period When DWU is collecting samples. Initially this is planned on a one time basis. Sampling
results will dictme whether a second 10 ·day sampling period is necessary. Thi, t;)SK will be perfonned by RJN. 5. Provide for laboratory services to analyze the hourly samples for TSS
and COD, develop a now weighted composite sample for each day oflhe monitoring pcriodand analyze for BOD, TS8, und COD, Analyze the samples provided by DWU (7-24hour composite samples)
for BOD and 1'S8. The laboratory analysis will be com[Uc[ed through rUN. At lhis point in time. [he preferred laboratory is ER.vll. It is our understanding the DWl) is performing their
own laboratory analysis. The Laboratory performing the work is subject to change depending on the DWlJ reaction to ER.\11 The intent is to llse a laboratory that is llcceptablc to all
panics. 6. Review thc results or tile laboratory testing to ascertain trends and compare thes.: with DWU sampling results. " Issue a single le[ter report of the findings with 􀁲􀁥􀁣􀁯􀁭􀁲􀁮􀁥􀁮􀁤􀁡􀁴
􀁩􀁯􀁮􀁾􀀠for Phase 2 procedures for each of the three basins. Two draft copies will be submitted for review by the Town. Four final copies will be furnished to the Town. One final copy
will be provided to DWU. "() . Attend a maximum of two meetings with DWU and the Town to discuss result,. Pbase 2 The actual Phase 2 items which are to be accomplished will be detined
in thePhase I Ieller repol1, Wrillen authorizution from the Town of Addison to proceed will be necessary to initiate Phase :>" If no additional work is necessary in a metered area as a result
of Phase I then no work will be done on Ihat metered basin in Phase 2. Phase 2 work will be completed by basin and will include the follo\ving: I. Manhole inspections of all manholes
in a punicul ar meter basin to document llnUSll:l1 conditions such as build up of grease and sediment. This will proceed from the' downstream end of the meter basin upstream, Manhole
inspections will document tIle following items: general condition ofall incoming and outgoing lines. general cooJilioll fltillc manhole, deptb 
Sent by: FREESE &NICHOLS 2149202565 03{04{00 9:09AM Job 936 Page 4 of flow and sediment 􀁩􀁾􀀠 all incoming and Outgoing lines, and a description of the sedlmentThe Tumty Chnsuan, Dullas
Parkway, and Arapahoe Road metering areas have 6, 38. and 44 manholes, respectively shown in the "Report on 1996 Wastewater Collection System" on 8-inch and larger lines, The number
to be inspected h:ls been incre<JScd,bv 50% for budge£ary purposes to account for smaller city owned later:tllines conneetino 􀁩􀁾􀁬􀁏􀀠the identified line segments, The manhole inspections
arc budgeted at 9. 57, and 66 for the Trinity Christian. Dallas Parkway, and Arapahoe Road metering areas, It is hoped lilat this will help isolate specific areas for potential high
TSS dischurges, 2, Map of all industrial discharge permit locations within the meter basin along with the construction activities, Locate all restaurants within the metering area. Review
the current landuse map to identify potential sources of high BOD and TSS 􀁾􀁬􀁯􀁷􀁳􀀬􀀠 3, Utilize the HYDROWORKS softw:tre program to model the flow and settlement of contaminants,
The model will be calibrated to the metering dara collected during Phase I and initially will have a uniform distribution of contaminants to the number of manholes shown in the "Repol1
on 1996 Wastewater Collecrion System". The collection system layollt and piping data will be as shown in this report for the basins identified in Phase I for modeling during Phase 2.
The model resullS will be used in conjunction with the manhole inspections to select the metering and sampling locations within the busins, 4, Install t10w monitors ond samplers in the
meter area, The Ilumber of me,tel'S Hnd loc:ltions will be detelmined based on the manhole inspections in this Phuse and tbe HYDROWORKS modeling results, For budgetary purposes the metering
􀁬􀁯􀁣􀁡􀁴􀁩􀁯􀁮􀀬􀁾􀀠are arbitr:J1'ily Set at tm'co per basin, A maximum of 9 now meters and 18 samplers are 􀁾􀁮􀁲􀁩􀁣􀁩􀁰􀁡􀁴􀁥􀁤􀀬􀀠The flow monitoring and sampling will be the,
same as items 4 and 5 in Phase I, The results will be included in the HYDROWORKS model to rccalibrate based on the newly acquired flow and meter data, :i, Analyze all data collected
tmd make recommendations for 􀁐􀁨􀁡􀁳􀁾􀀠3 work. A letter report will be isstled with tile results of the analysis. identification of areas that need additional study and data collection.
and recommendations for corrections that can be identified from the analysis, This should isolate problem areas within the meter basin being considered and provide the direction necessary
to isolate the higb BOD, TSS flow areas to specific locations (users) in Phase 3, Two draft copies will be submitted for review by the Town. Four final copies will be furnished to the
Town, One final coPY will be provided to DWU 6, Attend a maximum of tbree (3) meetings with DWU and tbe Town to discus" the 􀁲􀁥􀁳􀁵􀁬􀁴􀁾􀀮􀀠 Phase 3 Phase three items will include
all recommended items from the Phase 2 letter report. Written mlchorizmion from the Town of Addison to proceed will be neccssury to initiate Phuse J, J 
Sent by: FREESE &NICHOLS 2149202565 03/04/00 9:10AM Job 936 Page 5/12 L Televise alJ Hne segments in the subareas identified in the Ph:lse 2 report to identify grease and sediment build
up along the line segment and further isolate the loc:ltion of high BOD and TSS flow input into the Town system. For budgetary purposes, the line lengths arc set at 113 of the line segment
lengths included in the "Report On 1996 Wastewater Collection System" by basin. The budgetary line lengths are 667 feet for tile Trinity Christian Basin. 4,3 J1 feet for the Dallas Parkway
Basin, and 4.500 feet for the Arapahoe Basin. 2. Field visit all wastewater billing customers in the identified problem subareas with Town of Addison personnel to identify processes
and procedures used (Q generate Lliscbarges into the Town sanitary sewer system. Review water biJIing records for said customers. Determine tbe last time grease traps were cleaned based
on customer interviews. 3. lnstall tlow meters and samplers immediately downstream of areas identified in items one and twO of this task. For budgetary purposes this is established at
3 per metering basin. A max:imum of 9 flow meters and 18 samplers is anticipated. 4. Collect hourly samples at the temporary flow monitoring stations for :l period of 10 days. Twenty
four hourly samples will be collected for each day and transported to the laboratory. 5. Provide for laboratory services to analyze the hourly samples for TSS and COD, develop II flow
weighted composite sample fore:\ch day ofthe rnonitoringperiod and analyze for BOD. TSS, and COD. The laboratory analysis will be contracted through RJN. 6. Review the results of the
laboratory tcsting to ascemtin trends and specitic customers with discharges that exceed the DWU maximums. 7. Issue a leiter report with recommendations for corrections. The follOWing
altemativ"s will be evaluated in the letter report: a). Pay the surclJarges for exceeding the DWU quality limitations b). Work with rhe·noncompliam customer(s) to achieve compliance
c.) Install Town of Addison pretreatment facilities in order to achieve (;olll[lliance based on the flow monitoring dam and protocols identified in this and other Phases of the investigation.
Two draft copies will be submitted for review by the Town. Four fmal copies will be fumi:;hed to the Town. One finnl copy will be provided to DWU. 8. Attend a maximum of three meetings
with DWU to discuss results and recommendation$. 􀁔􀁬􀁍􀁾􀀳􀀠OF COMPLETION FNI is authorized ta commence work on the Project upon execution of this AGREEMENT and agrees to camplete the
services in accordance with the following sclledule: Ph:lSC 1-within 60 days of notice to proceed. 
Sent by: FREESE & NICHOLS 2149202565 03/04/00 9:11AM Job 936 Page 6/12 Phase 2-within 90 days of authorization to proceed to this phase. Phase 3-within 120 days of allthorization to
proceed to this phase. FNI reserves the right to extend the completion schedule due to OWNER', delays. Additional compensation may be requested by FNl if project is Unduly prolonged
due to delays beyond the control of FNT. RESPONSIBILITIES OF TOWN OF ADDISON The Town of Addison shall perform the following in :l timely manner so as not to delay the services of Freese
and Nichols: A. Designate in writing a person to act as Town of Addison's. representative with re,pect to the services to be rendered under this Agreement. Such person shall have comract
authority to transmit instructions, receive information, interpret and define Town of Addi,on'" poliei", and decisions with· respect to Freese and Nichols's services for the Project.
B. Assist Freese and Nichols by placing at Freese and Nichols's disposal all avuilable infomlution pertinent to the Project including previous reports and any other data relative to
the Investigation. Provide phOtographs of the Trinity Christian, Dallas Parkway, and Arapahoe Road metering stations and DWU sampling locations associated with the each metering location.
Assist by meeting with DWU to ascertain :;amplillg and metcr data availability and making appropriate 􀁲􀁥􀁱􀁵􀁥􀁳􀁬􀁾􀀠for information and data to DWl!. Furnish an aerial photo map,
zoning map, map of recent construction activities during the noncompliance flows to DWU. one copy of the current agreement between the Town and DWU for the discharge of sanitary sewer
flows, List of industrial pretreatment permits with locncions within the identified three DWU noncompliance areas, and any available information on grease trap inspections within the
three DWU noncompliance areas. D. Arrange for access to and make all provisions for Freese and ;'-jichols to enter upon public and pri vare property as required for Freese and Nichols
to perform services under this Agreement. Attend meetings with customers during the Phase 3 interviews, assist in gre:lse trap and other inopections required to complete the Phase 3
tasks. E. E.x:amine all stlldies, reports, sketches, drawings. specifications, proposals and other documents presented by Freese and Nichols, obtain advice of un attorney, insurance
counselor and other consultants as the TOWN OF ADDISON deems appropriate for 􀁾􀁵􀁣􀁨􀀠 eXllmination and render in writing decisions pertaining thereto within ;.t reasonable time 􀁾􀁯􀀠
as not to delay the services of Freese and Nichols. 5 
03/04/00 9:12AM Job 936 Page 7/12 t by: FREESE & NICHOLS 2149202565 COMPENSATION COST BASED ON HOURLY RATES WITH A iVIAXIMUM FEE LIMIT A.N9.t to Exceed: The total fee for Basic Services
shall be compUted 011 the basis of the Attachment SC-l, Schedule of Charges but shall not exce"d $46,863 for Phose I, $133,528 for Phase 2, and 3143,239 for Phase 3 , If FNI sees the
Scope of S"rvices changing so that Additional Services are needed. FNI will notify the Town of Addison for approval before proceeding. Additional services shall be computed based on
the attachment SC-I Schedule of Charges. Attachment SC-2 reflect the schedule of charges to Freese and Nichols for rhe subconsultants, tlow monitoring, sampling. manhole inspections
and laboratory fees. Attachment A gives an overall budget breakdown by phase. TERLvlS AND CONDITIONS OF AGREEl'vlENT We propose to furnish our services as described be rein in accordance
with Atwchmem Te, " Tenns and Conditions of Agreement." We appreciate this oppOltunity to submit tbis proposal If additional information or clarification is desired. please do not hesitate
to contact us. [f you nrc in agreement with the services described above and wish for us to proceed with rhis assignment. please sign below and return one copy of rhe agreement for our
files. Yours very truly. 􀀬􀀧􀁦􀁾􀁓􀁾􀁌􀁓􀀧 TOWN OF AODISON JNC 􀁾􀁡􀁤􀁤􀁡􀁫􀁥􀁲􀀬􀀠 By:_ PE Tirk____________ Date:_____________ Alan Greer, P. E. Dallas Office :\.Iaoager, Principal
6 
Sent by: FREESE &NICHOLS 2149202565 03/04/00 9:12AM Job 936 Page 8/12 A TIACHMENT TC 8-20-96 TERMS AND CONDITIONS OF AGREEMENT 1. DEFINITIONS: The term Owner as used herein refers to
Town of Addison The term FNI as used herein refers to Freese and Nichols, lnc., its employees and agents; also its subcontractors and their employees and agents. As used herein, Services
refers to the professional services perfbrrned by Freese and Nichols prusuant to the AGREEMENT. 2. CHANGES: Owner, without invalidating the AGREEMENT, may order cbanges within the general
scope of the WORK required by the AGREEMENT by altering, adding to andlor deducting from the WORK to be performed. If any change under this clause causes an increase or decttl3se in
00'. cost of, or the time required for, the performance ofany part of the Services under the AGREEMENT, an equitable adjustment will be made by muwnl agreement and the AGREEMENT modified
in writing accordingly. J. TERMINATION: The Obligation to provide services under this AGREEMENT AGREEMENT may be terminated by either party UPOIl ten days' written notice. In the event
of termination, 00 will be paid for all services rendered and reimbursable expenses incurred to the date of termination and. in addition, all reimbursable expenses directly attributable
to termination. 4. CONSEQUENTIAL DAMAGES: In no event shall 00 or its subcontractors be liable in contract, tort, strict liability, warranty, or otherwise for any special, indirect,
incidental or consequential damages, such as loss of product, loss ofuse of the equipment or system, loss of anticipated profits or revenue, non-operation or increased expense ofoperation
or other equipment or systems. 5. INFORMAnON FURNISHED BY OWNER: Owner will assist FNI by placing at FNf's disposal all available information pettinen! to the Project including previous
reports and any other data relative to design or construction of the Project FNl shall have no liability for defects or negligence in the Services attributable to !'Nl's reliance upon
or use of data, design criteria, drawings, specifications or other information furnished by Owner and Owner agrees to indemnifY and hold FNI hannless from any and all claims and judgments,
and all losses, costs and expenses arising therefrom. FNl shall disclose to Owner, prior to use thereof, defects or omissions in the data, design criteria, drawings, specifications or
otber information furnished by Owner to FNT that FNT may reasonably discover in its review and inspection thereof. 6. INSURANCE: FNT shall provide to Owner certificates of insurance
which sball contain the following minimum coverage (All limits in thousands): Cnmmercial General Liability Workersf Compensation General Aggregate $2,000 Each Accident $500 Automobile
Liability (Any Auto) Proressionaf Liability CSL . SI,OOO $3,000 Annual Aggregate 7. SUBCONTRACTS: If, for any ceason, at any time during the plOgtes. of providing Services, Owner detennines
that any subcontractor for FNI is incompetent or undesirable, Owner will notifY FNI accordingly and FNI shall take immedinte steps ror cancellation of such subcontract. Subletting by
subcontractors shall be subject to £he same regulations. Nothing contained in the AGREEMENT shall create any contractual relation between any subcontractor and Owner. 8. OWNERSHIP OF
DOCUMENTS: Afl drawings, reports data and other project infonnation developed in the execution of the Services provided under this AGREEMENT shall be the property oflhe Owner upon payment
ofFN!,s fees for services. 00 may retain copies for record purposes. Owner agrees sucb documents are not intended or represented to be suitable for reuse by Owner or others. Any reuse
by Owner or by those who obtained said documents from Owner without written verification or adaptation by FNI will be at Owner's sale risk and without liability or legal exposure to
FNI, or to OO's independent associates or consultants, and Owner shall indemnifY and hold hartnless FNI and !'NT's independent associates and consultants from all claims, damages, losses
and expenses including attorneys' fees arising out of or resulting therefrom. Any such verification or adaptation will entitle 00 (0 further reasonable compensation. FNl may reuse all
drawings, report data and other project information in the execution of the Services provided under this AGREEMENT in OO's other activities. Any reuse by FNI will be at FNI's sale risk
and without liability or legal exposure to Owner, and FNI snail indemnifY and hold harmless Owner from all claims, damages, losses and expenses including attorneysf fees arising out
of or resulting therefrom. FNI 􀁏􀁗􀁎􀁅􀁒􀁾􀀭􀀭
Sent by: FREESE & NICHOLS 214Q202565 03/04/00 9:13AM Job 936 Page 9/12 9. POLLUTANTS AND fudARDOUS WASTES: It is understood and agr<:ed that FNI has neither created nor contributed to
the creation or existence of any hazardous, radioactive, toxic, irritant, polIutant, or otherwise dangerous 􀁳􀁕􀁢􀁳􀁴􀁡􀁮􀁾􀁥 .or condition at the site, if any, and its compensation
hereunder is in no way commenSl1l11te with the potential fisk of mJury or loss thaI may be caused by exposures to such substances or conditions. The parties agree thaI in performing
the Services required by this AGREEMENT, FNI does not take possession or control of the subject site, but acts as an invitee in performing the services, and is not therefore responsible
for the existence of any pollutant prescnt on or migraling from the site. Further. FNI shall have no responsibility for any pollulant during clean-up, tnlnsportation, storage or disposal
activities. 10. OPINION OF PROBABLE COSTS: FNI will furnish an opinion of probable project development cost based 011 present day cost, but does not guarantee the accurncy of such estimates.
Opinions ofprobnble cost, fmancial evaluations. feasibility studies, economic analyses of alternate solutions and utilitarian considerations of operations and maintenance costs prepared
by FNI hereunder will be made on the basis of FNl's experience and qualifications and represent FNrs judgement as an experienced and qualified design professional. It is recognized,
however, that FNI does not have control over the cost of labor, material, equipment or services furnished by others or over market conditions or contractors' methods ofdetermining their
prices. 11. CONSTRUCTION REPRESENTATION: If required by the AGREEMENT, FNI will furnish Construction Representation according to the defined scope tor these services. FNI will observe
the progress and the quality of work to determine in geneml if the work is proceeding in accordance with the Contract Documents. In performing these services, FNI will endeavor to protect
Owner ag;ililst defects and deficiencies in the work ofContractors; rNl will report any observed deficiencies to Owner. however, it is understood that FNI does not guarantee the Contractor's
performance, nor is FNI responsible for the supervision of the ComIlictor'S operation and employees. FNI shall not be responsible for the means, methods, techoiques, sequences or procedures
of construction selected by the Contructor, or the safety pre.::autions and programs inddent 10 the work oftile Contractor. FNI shall not be responsible for the acts or omissions oCany
person (except his own employees or agent) at the Project site or otherwise performing any ofth. work of the Project. If Owner deSignates a person to serve in the capacity of Resident
Project Representative who is not a FNl's employee or FNI's agent, the duties, responsibilities and limitations of .uthorlly of such Resident Project Representative(s) will be set forth
in writing and made a part of this AGREEMENT before the Construction Phase of the Project begins. 12. PAYMENT: Progte&s payments may be requested by FNI based on the amount of services
completed. Payment for the services ofFN! shall be due nnd payable upon submission ofa statement for services to OWNER. Statements for services shan not be submitted more frequently
than monthly. Any applicable new taxes imposed upon services, expenses, nnd charges by any governmental body after the execution of this AGREEMENT will be added to FNI's compensation,
If OWNER fails to make any payment due FNlfor services and expenses within tbiny (30) days after receipt ofFNl's statement for services therefore, the amounts due FNI will be increased
at the rale of one percent (I %) per month from said thirtieth (30th) day, ""d, in addition, FNI may, after giving seven (7) days' written notice to OWNER, suspend services under this
AGREEMENT until FNl has been paid in fuU, all amounts due for services, expenses and charges. 13. ARBITRATION: No arbitration arising out of, or relating to, this AGREEMENT involving
one party to d,is AGREEMENT may include the other party to this AGREEMENT without their approval. 14. SUCCESSORS AND ASSIGNMENTS: OWNER and FNI each are hereby bound and the partners,
successors, eKeculDrs, administrators and legal representatives of OWNER and FNI are hereby bound to the other party to this AGREEMENT and to the partners, successors, executors, administrators
and legal representatives (aod said assigns) of such other party, in respect of all covenants, agreements and obligations oftbis AGREEMENT. Neither OWNER nor FNI shall assign, SUblet
or tnwsfer any rights under or interest in (including, but without Umitation. moneys that may become due or moneys that are due) this AGREEMENT without the written consent ofthe other,
except to the extent that any assignment, subletting or transfer is mandated by law or the effecl of this limitation may be restricted by law. Unless specifically slated to the contrary
in any written eonsent to an assignment, no assignment will release or discharge the assignor from any duty or responsibility under this AGREEMENT. Nothing contained in this paragraph
shall prevent FNI from employing such independent associares and consultants ... FNI may deem appropriate to assist in the performance ofservices hereunder. 15. PURCHASE ORDERS: Ifa
Purchase Order is used to authorize FNrs Services, only the terms, conditionslinsll'UCtions typed on the fa.. of the Purchase Order shall apply to this AGREEMENT. Should there be any
conflict between tha Purchase Order and the terms of this AGREEMENT, then this AGREEMENT shan prevail and shall be determinalive of the conflict. 
Sent by: FREESE &NICHOLS 214Q202565 03/04/00 9:15AM Job 936 Page 10/12 Attachment SC-l SCHEDULE OF CHARGES FREESE· NICHOLS POSITION lVliN MAX PRINCIPAL liS 165 GROUP MANAGER 83 ISO SENIOR
ENGINEER 90 115 ENGINEER (PE) 65 100 ENGINEER (EIT) 40 85 ELECTRICAL ENGINEER 65 110 MECHAl'lICAL ENGINEER 65 95 ENVIRONtvlENTAL SCIENTIST 50 98 ARCHITECT 65 114 DESIGNER 44 90 TECHNICIAN
40 62 OPERATIONS ANALYST 56 75 WORD PROCESSING/SECRETAR1AL 35 55 CONTRACT ADMINISTRATOR 35 44 CO-OP 18 35 The ranges and individual salaries will be adjusted annually. EXPENSES Plotting
Bond Colar Vellum Mylar S 4.00 per plot SI0.00 per plot Sl L50 per plot SI5.00 per plot Printing BluelineslBlacklines Offset and 􀁘􀁥􀁲􀁯􀁾􀀠Copies Binding Tape Binding .$0.55 pcr sqllilre
ioo! :SO. 15 per si(lc copy $2.50 per book S 1.00 per book SO.31 per mile OTHER DIRECT EXPENSES Other direct c:tpenses are retmbursed at actual cost limes multiplier of 1. i 0. They
include outside priming and reproduction ex.pense. communicatjon ex.pense. travel. (mnSporlation and subsistence tlway from Dallas and o[her miscellaneous expenses directly reluted to
the work. including costs of laboratory analysis. tests, and other work required to be done by independent persons other than staff members. Up(,hllCd: 4/819:1 
, Sent by: FREESE & NICHOLS 21'<1202565 03/04/00 9'15AM Job 936 Page 11112 Attachment SC-2 Sanitary Sewer System Environmental Investigation City of Addison, Texas Cost Summary Description
Unit Unit COSt ($) Iotal ($) Phase 1 Administration Inspect Sampling Points Flow Monitoring.!! Sampling (6 samplers)ll Split Sampling w/DWU (3 sites/lO days) Laboratory Services BOD
Sampling TSS/COD Sampling Split Sampling (BOD/TSS) Subtotal, Phase 1 Phase 2 Administration Manhole Inspectiol151i Sampling (18 samplers) Flow Monitoring Testing BOD Sampling ISS/COD
Sampling Split Sampling (BOD/TSS) Subtotal, Phase 2 Phase 3 Administration Television Inspection Sampling (18 samplers) Flow Monitoring (9 meters) Ie$ring BOD Sampling TSS/COD Sampling
Split Sampling (BODlTSS) Subtotal, Phase 3 Total I LS 1 LS 30 M-D 60S·D 30 EA 30 EA 750 EA 30EA ILS 132 MH 180 SoD 90M-D 90EA 2,250 EA 90 EA I LS 9,478 LF 180 SoD 90M-D 90EA 2,250 EA
90 EA 880.00 440.00 95.00 91.67 36.00 31.00 17.10 40.52 1.240.00 37.95 91.67 95.00 31.00 27.10 40.52 40.52 1,426.00 1.50 91.67 95.00 31 27.10 40.52 880.00 440.00 2,850.00 5,500.00 1,080.00
930.00 20,325,00 33,220.60 1,240.00 5,009.40 16,500.60 8,550.00 2,790.00 60,975.00 3,646.80 98.711.80 1,426.00 14,217.00 16,500.00 8,550,00 2,790,00 60,975.00 _ 3.646.80 108,104.80 240,037.20
11 Site will be the same as DWU for the Arapaho Mt'cering Station sampling. II Manholes uncovered by the City. 
sent by: FREESE & NICHOLS 21."202565 03104/00 9"6AM Job 936 Page 12/12 '. '... r; f-l ;; 
􀁍􀁩􀁣􀁨􀁡􀁥􀁉􀁍􀁵􀁲􀁰􀁨􀁹􀀮􀁾______________________________________________________􀁾􀀠 From: Carmen Moran Sent: Tuesday. February 16, 1999 9:27 AM To: Michael Murphy Subject: platting
for Addison Circle. phase III David Meyers asked about platting our right-of-way for the Morris extension. I told him to just plat what they owned. and we would take care of platting
the Morris street extension when we built the street. Will we plat it? We 􀁤􀁩􀁤􀁮􀁾􀀠plat our property at Arapaho and Quorum when we took that street through. Maybe we should have.
If we want Huitt-Zollars to plat that property now. we need to let them know. In addition. the right-of-way will clip a corner of the Conference and Theatre property. which is platted.
so thal would involve a replat of that as well. Carmen 1 
,/(v: 􀁊􀀬􀁾􀀠I k t1H 1 JVV\L\. etM: 􀁾􀀬􀀧􀁴􀁦􀀠 SuV7) : t? 􀁉􀀾􀁴􀀬􀁨􀀧􀁕􀁾􀁻􀁌\ 􀁾􀁜􀁪􀁜􀀩􀀨􀀲􀁾􀀠 r tJ 􀀧􀁩􀁾􀀴􀀨􀁜􀀠􀁾Or-J 􀁾􀀠y,()v ()-l\ 􀁾􀁑􀀻􀁾􀀠 [XWIY(Z{; w\:-'"l:C 􀁾􀁎􀀠􀀺􀁢􀀷􀀼􀁾􀁉􀁾􀁃􀀨
􀁎􀁃􀀺􀁲􀀭 􀀰􀁴􀀱􀁾􀀺􀁉􀀻􀀺􀀻􀁗􀁬􀁥􀀺􀁜􀀠 􀁾􀁜􀁾􀁾􀀠 000 Cf -rC;; 􀁾􀁰􀀮􀁜􀀩􀀨􀀻􀀭􀀩􀁇􀀺􀀺􀁓􀀠 D.C:? 􀀭􀁲􀀮􀁥􀀷􀀧􀁬􀁾􀀮􀁄􀀯􀀠 􀁾􀁈􀀧􀁹􀀿􀁬􀁴􀀲􀁯􀀠 t'b\ oWl). 􀀻􀀺􀁾􀀠 􀀿􀁾􀁏􀁾􀁾􀁴􀀬􀁊􀀰􀀠
10 􀁾􀀱􀀠􀁾􀀠 􀁃􀁏􀁎􀀰􀀮􀁊􀁌􀀱􀁾 -( W %ot>w ( (0 􀁾􀁾􀀠 \)C? 0{;\' 10 􀀮􀀭􀁻􀁾􀀠 􀁾􀀭􀀱􀁄􀁾􀀠6 1i-\t:, 􀁦􀁾 (Y! • 􀁾􀀱􀁢􀁌􀀭􀁴􀁬􀁾􀁄􀀠 􀁬􀁾􀀠 6 􀀧􀀨􀀿􀁏􀁵􀁾􀀠1)J-Jlif-T 1)f 􀁾􀁾􀁦􀁁􀁜􀀮􀀮􀀩􀁬􀁃􀀷􀀭􀀭
􀀨􀀠􀁾􀀧􀁦􀂭 􀁉􀁑􀁵􀁾􀁲􀀺􀁜􀁣􀀮􀁗􀁮􀀶􀁎􀀼􀁓􀀠 􀁃􀁛􀁚􀁏􀁾􀀩􀀬􀀠 1>lt:::.b'7f; 􀁾􀁙􀀨􀁬􀁃􀁬􀀮􀁊􀀰􀀠 -AN'\) r cov\ MeN-rS. 􀁾-ra, N\kc. 􀀨􀁾􀀡􀀠 􀁴􀁦􀁜􀁁􀁜􀁾􀀠 =Sg , 􀀺􀀲􀁓􀀵􀁃􀀺􀀺􀀺􀁾􀀠
"( 
􀁾􀀭􀁾􀀭􀀭􀀭􀀭 Addison will accept written 􀁓􀁴􀁡􀁴􀁥􀁭􀁥􀀭􀀭􀁾􀀭􀀭􀀭􀀭􀁾􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀁾􀁾􀀭􀀭 􀀭􀁾􀀭􀀭􀀭􀀭 ---------------???DATE?? Two (2) copies maximum number of thirty-five (35)
-should pro\"ide enough information c-􀁾􀁾 􀀭􀀭􀁾􀀬 ------The SOQ shall designate the 􀁭􀁤􀀮􀁾􀁾___􀁾_________􀁾__􀁾􀁾___________􀁾􀁟􀁾_____􀁾____ (principal-in charge, Project Mana;
individual. A list of similar 􀁰􀁦􀀨􀀩􀁪􀁥􀀨􀀻􀁴􀁳􀀭􀀭􀁾􀀭􀁾􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀁾􀀭􀀭􀀭􀀭􀀭􀀭􀁾􀀠------shall be provided_ For each project 􀁡􀁟􀁾􀀠___ 􀁾􀁾__􀁾􀁟􀁾􀁾􀁾___ 􀁾___ 􀁾􀀠􀁟􀁾􀁟􀁾􀁟􀁾􀁟􀁾􀀠___
___ 􀁾􀁟􀀠 date, names of flFQPQG@Q.project me ___________________ contact person, and phone number fo-All written Statements of Qualifical Committee, which will be made up 􀁣􀀭􀁾---/'
based on the selection criteria shown _. __________ --------------􀁾􀀠 address each criterion for evaluation will be asked to meet with the Town ilhe Town reserves the right to end tlll'
'''H1llUlllmip II me 1 own IS not satisfied. with the performance ofthe firm and/or ifit is/in the best interest of the Town. The Town and the Engineer are not under any obligation to
continue with subsequent projects. Interestonsultants should direct questions and submit Statements of Qualifications to: ?????ADDRESS??? 
EVALUATION CRITERIA FOR ENGINEERING '. 1. The fu:m's experience in successfully performing similar assignments, scope, and size for others within the last five (5) years, by personnel
still. onthefu:m'sstaff. WI-\o.!) 􀁾􀁾􀁍􀀢􀀭 2. Professional back""nd 􀁯􀁦􀁫􀁥􀁾􀀠􀁾􀁮􀁮􀁥􀁬􀀠 and experience 􀁩􀁮􀀧􀁾􀁥􀁥􀁲􀁩􀁮􀁧􀀬􀁦􀁵􀁾􀁾􀁩􀁮􀁧 and project administration,. ami resides!
l'l'6jeet fept:e.lemalion. The fu:m's current staff, both size and related experience, is qualified r .....: POINTS MULTIPLIER 0 -10 4 0 -10 4 I _ ". I I.' Ir I -• --.1._ J . I to 􀁰􀁲􀁯􀁾􀁩􀁤􀁹􀀠􀁜�
�􀁥􀀬􀁾􀁳􀁩􀁲􀁥􀁤􀀠􀁾􀁥􀁲􀁶􀁩􀁣􀁥􀀮􀀠 5ft<"1f1....: I>f r l'(WI.$ r--", ,"""-..,nIt...... "" IQ.l 􀁾􀁾􀀠 􀁾􀁍􀀮􀀠)1.1$,....,\ &r W-<>Y'k.I"'1 w.ft-\. 􀁐􀁊􀁯􀀷􀁊􀀱􀁩􀀬􀀬􀁾􀁾􀀬􀀠 3. Location
of main office andlor branch office that will provide services and experience in the local area. 4. Management approach to projects. (Include schedule and budget programs.) 5. Technical
approach to projects. (Include computer capacity.) 6. Previous clients, for for similar projects express satisfaction with the firm's work (Short listed fu:ms only, ifnecessary). 7.
Oral presentation (short listed fu:ms only if necessary). 0 -10 1 0-10 1 0-10 1 0-10 2 0-10 4 
􀀱􀀳􀀬􀀮􀁯􀁥􀁴􀀻􀀮􀀩􀁴􀀭􀁾􀀭􀀭 -..------.-..------.... 71 􀀧􀀲􀁉􀁴􀀯􀂥􀁱􀀭􀀭􀁉􀀹􀀭􀀬􀁾􀁮􀁴􀀭 􀀭􀁾􀀭􀀭􀀭􀀭􀂷􀀭􀀭􀁔􀀻􀁟􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀂷􀀭􀀭􀀭􀂷􀀭 􀁾􀀻􀁽􀀥􀁾􀁈􀀧􀁾...􀁾􀁾􀁩􀀻􀀻􀀻􀀺􀁾􀁾􀁾􀁩􀀻􀁾􀁾􀁾􀁊􀂥􀁫
􀀻􀀠 .1 ______􀁾􀁾􀀭􀀭 .._ ..􀁾􀀠i ___ _ ._________ . __..____.... 􀁾􀀺􀀧􀀠 􀁾􀁾􀁾􀁾􀁣􀀰􀀻􀁾􀀺􀂫􀁾􀀠 3/3/?IZX) __􀁾􀁾􀁊􀀮􀂣􀀠 􀀭􀁾.•􀁾􀀮􀀭􀀭􀀭􀀭􀁊􀀬􀀬􀁾􀁾􀀭􀀭􀀭􀀭􀀭􀀮􀀭􀀮􀀭􀀭􀀭􀀭􀀭􀀭􀀭􀀭
􀀭􀀭􀀭􀀭􀁾...--1/7/U«2--:z.J-MiLo.<L-4--------.--------------􀀭􀀭􀀭􀁾􀀭 -jz./fp/I'll/if . . ---_tf/Z 􀁦􀂥􀀧􀁱􀁾􀀠 _u___ 􀁾􀀮􀁺􀁚􀂷 􀁾􀁾􀁴􀁾􀀻􀀥􀀻􀁽􀀰􀁾􀀻􀀻􀁻􀁾􀀠 --. 7//814!f 􀀭􀀭􀀧􀀱􀀭􀀱􀀭􀁊􀁾􀀫􀀭􀀭
􀀭..􀀽􀀭􀀮􀀭􀁦􀁟􀁖􀀭􀀮􀀭􀀭􀀭􀀭􀀬􀀬􀁾􀀭􀀭􀀭􀀭􀀭 .! (farfp,ltlrirr,'@:'"'-'c"ZJ1P1c:l#'?" "): ".:';;"j . i 􀁾􀁦􀁬􀀭􀁰􀁴􀁪􀁾􀀴􀁊􀁬􀁮􀀮􀀮􀀠j ______.. _____.._ ..... ".O·_.}'_•.. ' 7/E1/-!iJ---_Z_)Stf
___________ ... ____._ . ". .' ., . " .. ::-,.',' . .. 
... ... 􀁾􀀠􀀭􀁾􀁾􀀠 oP!f 􀁾􀁾􀀠 􀁾􀁃􀁬AI e \ ;p NcUl 􀁾􀀠 s 􀁾􀁜􀁥􀀠iJ1ltE q7 qb.C; B7.5 Bb. 'J ff? . 􀁾􀀨I -1h uflj · 􀀡􀁾􀀡􀀷􀀱􀀱􀀠 10 &/0 15 7p 81 􀀰􀁤􀁾􀁴􀁐􀀠 '7J' 􀁾 y-f l -vv-'?ft 00 '? 􀁬􀀮􀁾􀀠 fJ, /' 􀁾􀀠 0?r'" 􀁾􀀠 31n1 bV& 􀁾􀀠 97 f'f.ft, 12-'1·5
Of/76 h/&tx:o.h #if('" rei'S ''Z) :.J:::JSC:::) 􀁾􀀮􀀠 7 
EVAtUATlON CRITERIA FOR ENGINEERING POINTS MULTIPLIER 1. The fll1ll's experience in successfully performing 0-10 4 similar assignments, scope, and size for others within the last five
(5) years, by personnel still on the fum's staff. 2. Professional background ofkey personnel 0-10 4 and experience in engineering, surveying and project administration, and resident
project representation. The fIrm's cUI1'ent staff:; both size and related experience, is qualified to provide the desired service. 3. Location ofmain office and/or branch 0-10 1 office
that will provide services and experience in the local area. 4. Managemerit approach to projects. 0-10 1 (Include schedule and budget programs.) 5. Tecimical approach to projects. 0-10
1 (Include computer capacity.) 6. Previous clients, for similar projects express 0-10 2 satisfaction with the fll1ll's work (Short IistedJ,i'fns only, ifnecessary). T 7. Or$presentation
(short Iistad fll1lls only O· 10 4 if 􀁮􀁥􀁣􀁾􀁳􀁳􀁡􀁲􀁹􀀩􀀮􀀠 ::' 
1v: 􀁊􀀬􀁾􀀠( k\1H JVV\t\ . I '?tnt f\\ '-\cf So'¥J') : L; 􀁉􀀾􀁾􀁜􀀠\i !w \ 􀁾􀁷􀁾􀁾􀀠 r N\Jt:;4(( C#fI T)rJ TC;:::Y; Q :T:J:;J(.J:J 9:. 
REQUEST FOR QUALIFICATIONS FOR ENVIRONMENTAL INVESTIGATION The Town of Addison is presently accepting Statements of Qualifications from engineering consulting firms for an Environmental
Investigation of the "entire" sanitary sewer system ofthe Town of Addison. This purpose of this project is to determine why BOD and TSS levels have been consistently increasing. Also
as part of this project the successful engineering firm will be required to provide solutions and methods of implementation to lower the BOD and TSS limits below the 250 mg/I surcharge
cap we are currently operating under. The most qualified firm will be asked to submit a proposal and a fee will be negotiated to perform the work. Addison will accept written Statement
of Qualifications (SOQ) from consultants through ???DATE?? Two (2) copies of the SOQ shall be submitted. The SOQ should contain a maximum number of thirty-five (35) single sided pages
on 8 Y:. " X 11" paper. The firm should pro"ide enough information to demonstrate the firm's ability to perform the work. The SOQ shall designate the individuals who will be assigned
to these projects (Principal-in charge, Project Manager, Project engineer, etc.) and resumes for each individual. A list ofsimilar projects that the firm has completed in the last five
(5) years shall be provided. For each project a description shall be provided along with completion date, names of proposed project members involved in the project, names of the client,
contact person, and phone number for contact person. All written Statements of Qualifications submitted will be evaluated by the Selection Committee, which will be made up of ???NAMES??
The review of the SOQ's will be based on the selection criteria shown on the attached page. The SOQ should specifically address each criterion for evaluation. If it is deemed necessary,
the top three (3) firms will be asked to meet with the Town and make oral presentations. The Town reserves the right to end this relationship if the Town is not satisfied with the performance
ofthe firm and/or if it is tin the best interest ofthe Town. The Town and the Engineer 􀁡􀀺􀀢􀁾􀀠not under any obligation to continue with subsequent projects. Interest consultants should
direct questions and submit Statements of Qualifications to: ?????ADDRESS??? 
REQUEST FOR QUALIFICATIONS FOR DESIGN AND CONSTRUCTION ADMINISTRATI TOWN OF ADDISON The Town of Addison is presently accepting Statements of Qualifications from engineering consulting
firms for design and construction administration ofthe improvements 􀁡􀁾􀀠Celestial Pump Station. These improvements include the addition of2 smaller pumps, an emergency generator and
motor control center. Also included as part of the project is the design of a SCADA system (Supervisory Control and Data Acquisition). The SCADA system will monitor and operate the Celestial
Pump Station, elevated storage tank, ground storage and the wastewater lift station. The most qualified firm will be asked to submit a proposal and a fee will be negotiated to perform
the work. Addison will accept written Statements of Qualifications (SOQ) from consultants through June 27, 1997. Two (2) copies ofthe SOQ shall be submitted. The SOQ should contain a
maximum number of thirty five (35) single sided pages on 8Y:." X 11" paper. The firm should provide enough information to demonstrate the firm's ability to perform the work. The SOQ
shall designate the individuals who will be assigned to these projects (Principal-in-charge, Project Manager, Project Engineer, etc.) and resumes for each individual. A list ofsimilar
projects that the firm has completed in the last five (5) years shall be provided. For each project a description shall be provided along with completion date, names of proposed project
members involved in the project, name of the client, contact person, and phone number for contact person. All written Statements of Qualifications submitted will be evaluated by the
Selection Committee, which will be made up ofJohn Baumgartner, Director ofPublic Works, and Jeff Markiewicz, Project Manager. The review of the SOQ's will be based on the selection criteria
shown on the attached page. The SOQ should specifically address each criteria for evaluation. If it is deemed necessary, the top three (3) firms will be asked to meet with the Town and
make oral presentations. The Town reserves the right to end this relationship ifthe Town is not satisfied with the performance ofthe firm and/or if it is in the best interest ofthe ToWIL
The Town and the Engineer are not under any obligation to continue with subsequent projects. Interested consultants should direct questions and submit Statements of Qualifications to:
Mailing: John Baumgartner Street: 16801 Westgrove Director of Public Works Addison, Texas 75248 P.O. Box 144 Addison, Texas 75001 Phone: (972) 450-2871 Fax: (972) 450-2837 
􀁾􀁡􀁧􀁬􀁥􀀠pOint tiO£tware 2/1/99 11:42 PAGE 2/2 ):Mr. Hamid Khaleghipour r.OMPANY:Town of Addison Space is limited... reserve your seat today. ,/IfI-61I.wi5 i.V. r32 RightFAX OUJ'05S6-1SUm:
112 .MaIII& ....􀁾􀁉􀀧􀁩􀁯􀁡􀁴􀁳􀁬􀁴􀁡􀁬􀁦􀁬..io". f..rl􀁾"...,rldtJlIIINl1IIIf 􀁾􀀠 ,...".. 􀁾Itllllllllll6!r m.55U32r 1fmI. cmr. 5IlIIIIWlIIGIJrRA'IION 'MallIA .....Add-,1It-Ita􀁾􀀢􀀢􀀱􀀱􀀱􀀡􀀱􀀶􀁩
􀁩􀁷􀁳􀁾􀀠 Nemio, Mllilllllltni """1«.1»11 ,.......,*",*d 111 .1ItIIoIIog f/llll1OHfr SOfTWIIIlE 41111 wm_DIIR DUBIlQUf, III 􀀵􀀲􀀱􀀱􀀱􀁦􀁾􀀢􀁦􀀱􀀠 ATTN. emL "MINAR RfGIS1RII1ION IIIQIII&
....Mmm..1'ioats Ita􀁾􀀠 􀁦􀀢􀀧􀁾􀀢􀀢􀀧􀀬􀁲􀁬􀁤􀁊••_foldoft ,.,..".illt!mIIiImllllllllll6!r jen.bushaw@eaglepoint.com 1Ma.III& ....􀁾􀁉􀀧􀁩􀁯􀁡􀁴􀁳􀁬􀁴􀁡􀁾􀀠 •..rI."".""...,rldtJlIIINl1IIIf􀁾􀀠
,...".. 􀁾It /JlfIIlIII6!r (AU FAX MAlL E·MAIL SEMINAR REGISTRATION Name: _________________ 􀁃􀁯􀁭􀁾􀁹􀀺􀀠_______________________________ Addrnu: ____________________________ Clty:___________
State:____ Zip ______ Phone: 􀁾_______ FAX:l-.J ______ E-mail: _________ Number ofAlend!lllll:__ Lncatron you wish 10 atlend: __________ 􀀴􀀱􀁾􀀱􀀠Weolmlrk Drive. DUbuque, fA 12002 Intar.C
__aul_poInte.., 
􀁾􀁡􀁧􀁬􀁥􀀠point So£tware 2/1/99 11:42 PAGE 1/2 RightFAX ):Mr. Hamid KhaleghiPour 􀁾􀁏􀁍􀁐􀁁􀁎􀁙􀀺􀁔􀁯􀁷􀁮􀀠o£ Addison Eagle Point Civil 􀁅􀁨􀁾􀁩􀁮􀁥􀁥􀁲􀁩􀁮􀁧􀀠&Surveying So••Nare
UTD aVision ollhe Eagle Point will be hosting a series of seminars to introduce the power and flexibility of Eagle Point 98. 1M!! invite you to attend one of these free seminars nearest
you. Austin, TX Monday, Febru21)' 22'" Holiday III'l AIIpOIIIHIGnl&nd Mall 6911IH-35N Austin, TX 78752 (512) 459-4251 Houston, TX Tuesday, February 23,d Holiday Inn Northwest Freeway
14996 Northwest Freeway Houston. lX 77040 (713) 939-9955 Shreveport, LA Wednesday, February 24" Holiday Inn 5555 Financial Plaza Shreveport, LA 71129 (316) 668·3000 Norman, OK Thursday,
February 25'" Holiday Inn of Norman 1000 I\klrth Interstate Drive Norman, Ok 73072 (405)384-2892 Arlington, TX Friday, February 26"' Holiday Inn· Arlington 1507 North VlBlSon Road Arlington.
lX 76006 (817) 640-7712 All seminars wIll start promptly at 9:00 a.m. and will conclude by 1:00 p.m. I'IIIfCll'IIIJ I'IIIIEC1I1N1Ai1l11S IIEP111lT1t1ENT ....IIIS IU/IWIUIIIIMlIlII1UTOIS
..... amfII6IIfEIS 5/JMIVI/S CA111fOilllfllltl /IIMrfU and anyone else interested in learning how data can flow tbIopgh YQur 􀁦􀁾􀁾􀀽􀀮􀁾the 􀁾􀀡􀁾􀁲􀁡􀁢􀁬􀁥􀁳􀀠 • SI,. De. .r-.r","odlailRa
• IIihI Slrtetl • lal/lltti41SlIN I 1III'flllfGH'J • hlIr .S•• 􀁈􀀮􀁾􀀠 􀀮􀁭􀁾• • 􀀬􀁾SUMP ·IR"....' ·'0_11Sumlp • SfGI'III Snlrr • Ctaa-IIItHonr • Smrllrrty SitwIIJr For More Information
CaU: (319) 556-8392, ext. 132 
'" , . " ',' .-.. ,. '. '. ' .. " POINTS· . . . '. MULTIPLIER " .. 1. The fum's experience In successfUlly performing 0·10 similar assignments, scope, and size for othelS ' within Ilte
last five (5) years, by peISCunel still. q on the fl1'lll's staff. 2. Professional background ofkey peISCunel o· 10 4 'f 0. and experience In engineering, surveying and project administration,
and resident project representation. The fum's CIIITeIlt staff, ./0 both size and related experience, is qualified to provide the desired service. 3. Location ofmain office and/or branch'
o· 10 1 10 office Ihat will provi<;\e services and ID . experience In the local area. 4. ' Management approach to 􀁰􀁲􀁯􀁪􀁾􀀬􀀠 (include schedule and budget 􀁰􀁦􀁯􀁾􀀮􀀩 . , 􀁏􀁾􀁬􀁏􀀠
1 <6 􀁾􀀠 5. Technical approach to projects. 0·10 1 (Include computer capacity.) 􀁾􀀠 􀁾􀀠 6. Previous clients, for similar projects express 0·10 2 satislilction willt the timi's work
(Short listed 􀁾􀀱􀀱􀀱􀁬􀁉􀁓􀀠only, ifnecessary). 􀁾􀀠 􀀬􀁾􀁣􀁲􀀶􀀠 7. Oral presentation (short listed firms only 0·10 4 ifnecessary). ..', 
-', ' ." I .• EVALUATION CRITERIA FOR ENGINEERiNG -'. " ! POINTS . . MULTIPLIER 1. The fu:m's experience in successfully performing . 0·10 4 similar assignments, scope, and size for
others within the last five (5) years, by personnel still. IJ} 3' on the fu:m's staff. 2. Professional background ofkey personnel 0·10 4 LfO and experience in engineering, surveying
and 10 project administration, and resident project representation. The fu:m's current staft; both size and related experience, is qualified to provide the desired service. 3. Location
ofmain office andlor branch 0-10 1 ,0 office that will proville services and iO experience in the local area. 4. Managen1ent approach to projects. 0-10 1 It:> (include schedule and budget
programs.) .. 10 5. Tecimical approach to prqjects. 0-10 1 10 (Include compoter capacity.) ID 6. Previous clients, for similar projects express 0-10 2 satisfaction with the funi's work
(Short listed 􀁾􀁵􀁭􀁳 only, ifnecessary). G 􀁾􀀠 7. Oral presentation (short listed firms only 0-10 10 4 lfnecessary). gG . . , '. .--:.-., 
'. 1. The flIlll's experience in successfUlly performing . similar assignments, scope, and size for others . within the last five (5) years, by personnel stilI. on the firm'sstaff. 2.
Professional background ofkey personnel and experience in engineering, surveying and project administration, and resident project representation. The firm's current staf!; both size
and related experience, Is qualified to provide the desired service. 3. Location ofmain office andlorbranch' office that will provige services and . experience in the local area. 4.
Management approach to projects. (In.c lude schedule and budg.e t proSn.un.s.)' . " 5. Technical approach to projects. (Include compoter capacity.) Previous clients, for similar projects
express satisfaction with the fmii's work (Short listed 􀁾􀁬􀁉􀁬􀁬􀁬􀁓􀀠only, ifnecessary). 7. Oral presentation (short listed firms only ifnecessary). 􀁾􀀺􀀠 -. POIrfl'S. . . . MVLTlPUER
0-10 Co 0-10 1 I () 10 􀀺􀁯􀁾􀁯􀀠 0-10 1 10 ;0 0-10 2 b 0-10 4 ;. :" I .. 
·'. EVALUATION CRIri:RIA FOR ENGINEERING ' .. 1. The fum'5 experience in successfully performing . similar assignments, scope, and size for others within the last five (5) years, by
personnel still. on the frrm's staff. 2. Professionel background ofkey personnel and experience in engineering, surveying and project administration, and resident project representation,
The fum's current stall; both size and related experience, is qualified to provide the desired service. 3. Location ofrnain office and/or branch· office that will provide services and
experience in the local area. 4. Management 􀁡􀁰􀁰􀁲􀁾􀁨 to 􀁰􀁲􀁯􀁪􀁥􀁾􀁴􀁳􀀮􀀠 (Include schedule and budget programs.) . . 5. Technical approach to projects. (Include computer capacity.)
6. Previous clients, for similar projects express satisfaction with the funi's work (Short listed 􀁾􀁵􀁭􀁳 only, ifnecessary). 7. Oral presentation (short listed fums only ifnecessary).
POINTS· ito 0g0-10 ttJ 0-10 5" 0·10 q 0·10 lQ 0·10 '.. . MULTIPLIER 4 '3'2... 4 ;t.C 1 ID 1 5 1 Cj 2 it 4 1G :." '. 
'. 1. The flrI/l's experience in successfully peri'orming similar assignments, scope, and size for others . within the last five (5) years, by personnel stUI. on the flI1ll's staff.
2. Professional background ofkey personnel and experience in engineering, surveying and project administration, and resident project representation. The flrI/l's currentstaft; both size
and related experience, is qualified to provide the desired service. 3. Location ofmain office andlor branch· office that will 􀁰􀁲􀁯􀁶􀁩􀁾 services and experience in the local area.
4. Management approach to projects. 􀀨􀁉􀁾􀁣􀁬􀁵􀁤􀁥􀀠schedule and 􀁢􀁵􀁾􀁥􀁴 programs.) 5. Technical approach to projects. (Include compnter capacity.) (j. Previous clients, for similar
projects express satisfaction with the fmii's work (Short listed 􀁾􀁵􀁭􀁳 only, ifnecessary). 7. Oral presentation (short listed firms only ifnecessary). . POINTS· 0·10 8' 0-10 7 0·10
/0 0-10 S 0-10 5 0·10 Co 0·10 ".. . MULTIPLIER 4 32. 4 .2.g 1 fo 1 5 1 5 2 􀁾􀀠 4 75 '," '. 
'. ',' , " 
􀂷􀁾􀀠 '," .. 
'",:,; . I .' . 1..,'''1-.... 􀁾􀀮􀀠i • /,,.,."., ' '. EVALUATION CRITERIA FOR ENGINEERING ", POINTS· , MULTIPLIER 1. The flIIll's experience in successfully performing' 0-10 4 similar
assignments. scope, and size for others . within the last five (5) years, by personnel still. on the firm's staff. 2. Professional background ofkey personnel 0-10 4 and experience in
engineering, surveying and project administtation, and resident project representation. The fIrm's current staff; both size and related experience, is qualified to provide the desired
service. 3. Location ofmain office and/or branch' 0-10 1 􀁾􀀠 office that will 􀁰􀁲􀁯􀁶􀁩􀁾􀀠services and experience in the local area. 4. Management approach to projects. 0-10 1 q q
(fu.cJude schedule and budjlet programs.) . 5. Technical approach to projects. 0-10 f>.? 1 S·I? (Include computer capacity.) • 􀁂􀀱􀁾 6. Previous clients, for similar projects express
0-10 2 satisfaction with the fmii's work (Short listed 􀁾􀀱􀁉􀁉􀁉􀁬􀁓􀀠only, ifnecessary). 7. Oral presentation (short listed flIIlls only 0-10 4 ifnecessary). ',. < .i . . 
,t'r ../(ific;otJS-. . '. -'" EVALUATION CRITERIA FOR ENGINEERING '.. ' . • . POINTS . MULTIPLIER 1. The flI1ll's experience in successfully performing . 0-10 /.'7 4 ·10 similar assignments,
scope, and size for others within the last five (S)years, by personnel still. on the f!rIll's staff. '?'£... 2. Professional background oCkey personnel 0-10 4 and experience in engineering.
surveying and project administration, and resident project representation. The flI1ll's current staff, both size and related experience, is qualified to provide the desired service.
q 3. Location ofmain office and/or branch 0-10 q 1 office that will provic;le services and experience in the local area. 1.4 4-Manage!l!ent approach to projects. 0-10 1f) .1 (Include
schedule and buaget programs.) . . " . 􀁾􀀠 5. Technical approach to projects. 􀀰􀀭􀀱􀁾􀀠 (Include computer capacil;Y.) g6,tj 6. Previous clients, for similar projects express 0-10 2
satisfuction with the fu:ni's work (Short listed 􀁾􀁬􀁉􀀧􀁬􀁊􀀱􀁓􀀠only, ifnecessary). 7. Oral presentation (short listed firms only 0-10 4 ifnecessary). .. 
\, 1-, fV/AlCOUil 11rllJ J.t; -􀀭􀁾􀀠 􀁾􀁻􀀠 " ". EVALUATION CRlTERIA FOR ENGINEERING '. 􀀭􀀺􀀭􀁾􀂥􀀮􀀠 ..􀁾􀁾􀀠 􀁾􀀠 ":;.-•.: \\_ • -t POINTS, MULTIPLIER 1. The rllTll's experience
in successfully perfonning similar assignments, scope, and size for others ' within the last five (5) years, by personnel still. on the finn's staff. 0-10 4 zb 2. 3. Professional background
ofkey personnel and experience in engineering. surveying and project administration, and resident project representation. The fum's CUlTent staff, both size and related experience, is
qualified to provide the desired service. Location ofmain office andlor branch office that will provicje services and experience in the local area. 0-10 0-10 'b 10 4 1 􀁾􀀧􀀲􀀭 1° 4.
5. 6. Management approach to projects. (Include schedule and budget programs.) , Technical approach to projects. (include computer capacity.) Previous clients, for similar projects express
satisfaction with the fmn's work (Short listed 􀁾􀁳 only, ifnecessary). 0-10 0-10 0-10 􀁾􀀠 􀁾􀀠 1 1 2 􀁾􀀠 , 􀁾􀀠 􀁾􀀠 􀁾􀀨􀁰􀀠 7. Oral presentation (short listed fimls only ifnecessary).
0-10 4 .. 
." EVALUATION CRlTEruAFOR ENGINEERING ". POINTS· . MULTIPLIER 1. The fum's experience in successfully peri"orming . 0·10 4 similar assignments, scope, and size for others within the
last five (5) years, by personnel still. on the fum's staff. 2. Professional background ofkey personnel 0·10 b 4 and experience in engineering, surveying and project administration,
and resident prqject representation. The fl1'lll's current staff, both size and related experience, is qualified to provide the desired service. 3. Location ofmain office and/or branch
. 0·10 g 1 office that will provi,!e services and experience in the local area. 4. Management approach to projects. 0·10 g I Y (Include schedule and budget programs.) .. 􀀮􀁾􀀮􀀠 5.
Technical approach to projects. 0-10 􀁾􀀠 1 (Include computer capacity.) 􀁾􀀠 IV Previous clients, for similar projects express 0·10 2 satisfaction with the fJ.rDl·s work (Short listed
􀁾􀀱􀀱􀀧􀁉􀁉􀁬􀁓􀀠only, ifnecessary). 7. Oral presentation (short listed fllTlls only 0-10 4 ifnecessary). ifnecessary). 􀀮􀁾􀀠 '," 
J \ ' , ., . ,f}fLV ,:;' f , 1('-􀁉j;: 􀁾􀀠f J{/;tkls '" ..,".. , . ·"'",r, '. .. . . 􀁾􀁾􀀠 , ' " 􀀮􀁾􀀮􀀬􀀠 􀁅􀁖􀁁􀁌􀁕􀁁􀁔􀁉􀁏􀁎􀁾􀁆􀁏􀁒􀁅􀁎􀁇􀁾􀁅􀁭􀁎􀁇􀀠 ;!.i 􀁾􀀬􀀠 :;r 􀀢􀁾􀀮􀀧􀀮􀀠
POINTS, , MULTIPLIER t. The firm's experience in successfully performing' 0·10 g.':; 4 3t similar assignments, scope, and size for olbers ' within the last five (5) years, by personnel
still. on the firm's staff. "3'22. Professional background ofkey personnel 0·10 4 and experience in engineering, surveying and project administration, and resident project representation,
The firm's current staff, both size and related experience, is qualified to provide the desired service. q 3. Location ofmain office and/or branch' 0·10 1 office that will provide services
and experience in the local area. 4. Management approach to projects. 0-10 􀁾􀀠 1 r (Include schedule and budg,et pro&rams.) , ' . , , ,y 5. Technical approach to projects. 0·10 1 (Include
computer capacity.) 􀁾􀀠 6. Previous clients, for similar projects express 0-10 2 -iT iT satisfaction with the firnl's work (Short listed f!rms only, ifnecessary). 7. Oral presentation
(short listed firms only 0·10 4 ifnecessary), , , , 
1.,"'1"., :,} 1 􀁉􀁾􀀠.. ,' , . 􀁾􀀩􀁾􀀧. 􀁥􀂷􀁾\.􀁾' . 􀂷􀂷.􀀠 " EVALUATIONCRlTERIA FOR ENGINEERING " . .: ..::..:' . . POINTS· . MULTIPLIER .;y 1. The fum's experience in successfully
performing . 0-10 4 similar assignments, scope, and size for others 7 within the last five (5) years, by personnel still. on the fum's staff'. 1 􀁾􀀯 2. Professional background ofkey
personnel 0-10 4 and experience in engineering, surveying and project administration, and resident project representation. The firm's current staff, both size and related experience,
is qualified to provide the desired service. 3. Location ofmain office and/or branch 0-10 1f 1 office that will provi;;le services and experience in the local area. 4. Management approach
to projects. 0-10 Cp I fp (Include schedule and budget programs.) . , . ' . -Ie 􀀮􀁾 5. Technical approach to projects. 0-10 1 (Include computer capacity.) /0 6. Previous clients, for
similar projects express 0-10 :1 satisfaction with the firni's work (Short listed 􀁾􀁵􀁭􀁳 only, Ifnecessary). 1. Oral presentation (short listed fums only 0-10 4 ifnecessary). 􀁬􀁫􀁬􀁾􀀺􀁴􀁫􀁾􀁾􀁾
􀁾􀀿􀀠 fJrv 􀁾db 􀁾􀀠lVr 
'. 1. The flItll's experience In succe55fUlIy performing' similar assignments, 5COpe, and size for others within the last five (5) year5, by per50nnel stiU. on the fll1ll's staff. 2-Professional
background ofkey pellionnel and experience In engineering, surveying and . , project administration, and resident project representation. The flItll's current staff, both size and related
experience, is qualified to provide the desired service. 3. Location ofmain office and/or branch' office that will provilie services and experience In the local area. 4. Management approach
to projects. (Include schedule and budget programs.) , . 5. Technical approach to projects. (Include compnter capacity.) 6. Previous clients, for similarprojects express satisfaction
with the flllli's work (Short listed f,i rms only. ifnecessary). 7. Ora! presentation (short listed fums only ifnecessary). " . POINTS . MULTIPLIER . . . 0-10 4 0-10 4 0-10 1 0-10 1
0-10 1 0·10 2 0·10 4 '.. ',." ... 
'" 􀁅􀁶􀁁􀁴􀁕􀁁􀁮􀁏􀁎􀁣􀁲􀁵􀁉􀁔􀁅􀁲􀁵􀁁􀁆􀁏􀁒􀁅􀁎􀁇􀁾􀁭􀁕􀁎􀁇􀀠 POINTS· 1. The fll'lll's experience in successfully 􀁰􀁥􀁲􀁦􀁯􀁲􀁭􀁩􀁾􀀠 0-10 similar assignments, scope, and size for
others 􀁾􀀠 within the last five (5) years, by personnel still. on the fnm's staff. 2. Professional background ofkey personnel 0-10 and experience in engineering, surveying and .. project
administration, and resident project representation. The fnm's current staff, both size and related experience, is qualified to provide the desired service. 3. Location ofmain office
andlor branch' 0-10 office that will provide services and experience in the local area. 4. Management approach to projects. 0-10 .. fj (Include schedule and budg.et 􀁰􀁲􀁯􀁾􀀮􀀩 .. 5-Technical
approach to projects. 0-10 l' (Include compnter capacity.) 6. Previous clients, for similar projects express 0-10 satisfaction with the fm's work (Short listed f;irms only, ifnecessaty).
7. Oral presentation (shol1 listed ftrlllS only 0-10 ifnecessary). 7 MULTIPLIER 4 3t 4 36 1 1 2--. 1 Cf 􀁾􀀠 2 q7 4 􀁾􀀮􀀬􀀠 5 
EVALUATION CRITERIA FOR ENGINEERiNG . POINTS· . MULTIPLIER 1. The firm's experience in successfully performing 0-10 4 similar assignments, scope, and size for others within the last
five (5) years, by personnel still. on the fll1ll's staff. 2. Professional background ofkey personnel 0-10 4 and experience in engineering, surveying and project administration, and
resident project representation. The fll1ll's current staff; both size and related experience, is qualified to provide the desired service. 3. Location ofmain office andlorbranch· 0-10
1 office that will provi<,ie services and experience in the local area. 4•. Management approach to projects. 0-10 1 (Include schedule and budget programs.) .. 5. Technical approach to
projects. 0-10 1 (Include computer capacity.) 6. Previous clients, for similar prqjects express 0-10 2 satisfaction with the fll1ll's work (Short listed 􀁾􀀱􀁭􀁴􀁓􀀠only, ifnecessmy).
7. Oral presentation (short listed fums only 0-10 4 If necessmy). .. ".. .􀀵􀁬􀀩􀀼􀁦􀀭􀁉􀀺􀀭􀁾􀁦􀀠􀁻􀁉􀁊􀁖􀁖􀀤􀁾􀀠􀁾􀁴􀁜􀁬􀁉􀀠􀁾􀁲􀁲􀁵􀀻􀀭􀁜􀁴􀀬􀀠 I, 
1. 2. 3. 4•. 5. 6. 7. " . ,,' -·a •. _..." . }. EVALUATIONCRriEmAFORENGmmEmNG ", The fum's experience in successfully performing similar assignments, scope, and size for others ' within
the last five (5) years, by personnel still. on the fum's staff. Professional background ofkey personnel and experience in engineering, swveying and project administration, and resident
project representation. The fum's current staff, both size and related experience, is qualified to provide the desired service. Location ofmain office and/or branch office that will
proville services and experience in the local area. Management approach to projects. (In.c lude sc'hed.ule and bud. get programsJ , . . Technical approach to projects. (Include compnter
capacity.) Previous clients, for similar prQjects express satisfaction with the flIlli's work (Short listed fums only, ifnecessalY)• • Oral presentation (short listed fums only ifneeessalY).
.,: POlNTS , MULTIPLIER 0·10 0·10 4 0·10 1 0-10 1 0·10 1 0-10 2 0·10 4 􀁾􀀬􀀠􀁾􀁾 􀁾􀁾􀁾􀁴􀀧􀀧􀀾􀁯􀁻􀀮􀀠yOii" \(-eC0 ( 􀁾􀀷􀀠 '. \c 5, , 
----, I,., ..' -. 􀀮􀁾􀁾􀀠 ••.• I' --.' 􀀮􀀧􀁾􀀧􀀠 􀁅􀁶􀁁􀁴􀁵􀁁􀁮􀁯􀁎􀁃􀁒􀁲􀁩􀁅􀁲􀁵􀁁􀁆􀁏􀁒􀁅􀁎􀁇􀁾􀁇􀀠 --. '. -POINTS-. MULTIPLIER 1_ The fum's experience in successfully performing
-0·10 4 similar assignments, scope, and size for others within the last five (S) years, by personnel stlIl. on the fmn's staff_ 2_ Professional background ofkey personnel 0·10 4 and
experience in engineering. surveying and project administration, and resident project representation. The fum's current staff, both size and related experience, is qualified to provide
the desired service. 3. Location ofmain office andfor branch -0·10 1 office that will provi<;le services and experience in the local area. 4. -Management approach to projects. 0·10 I
(Include schedule and budget programs.) _ S. Technical approach to projects. 0·10 1 (Include compnter capacity.) 6. Previous clients, for similar projects express 0·10 2 satisfaction
with the fmn's work (Short listed fums only, ifnecessary)• • 7. Oral presentation (short listed fums only 0-10 4 ifnecessary). .. * \ (Y\ .,; lL": .. 􀁾􀀠\ tt 􀁊􀁾􀀠 \ -.