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Home My WebLink AboutRES 1993-027 RESOLUTION N0. 93-27 '�+ A RESOLUTION OF THE CITY COUNCIL OF THE CITY OF GRAPEVINE, TEXAS CERTIFYING THE CITY COUNCIL HAS REVIEWED AND APPROVED THE ANNUAL MUNICIPAL WATER POLLUTION PREVENTION SURVEY AND PROVIDING AN EFFECTIVE DATE WHEREAS, the Grapevine City Council recognizes the importance of an environmentally sound wastewater system; and WHEREAS, the City of Grapevine is dedicated to providing the necessary means to ensure compiiance of all Environmental Protection Agency (EPA) and Texas Water Commission (TWC) requirements. I NOW, THEREFORE, BE IT RESOLVED BY THE CITY COUNCIL OF THE CITY OF GRAPEVINE, TEXAS: ' ,�,.,� Section 1 . That all the above premises are found to be true and correct and are , .�,� incorporated into this resolution as if copied in their entirety. Section 2. That the City of Grapevine informs EPA Region 6 that the following actions were tal<en by the City of Grapevine Council: � A. Reviewed the Municipal Water Pollution Prevention Environmental Audit i Report which is attached to this resolution as Exhibit "A". '. B. Set forth the following actions necessary to maintain permit '' requirements contained in the NPDES Permit Number TX0032018. � i 1 . None required. I I i Section 3. That this resolution shall tal<e effect from and after the date of its ; passage. PASSED AND APPROVED BY THE CITY COUNCIL OF THE CITY OF GRAPEVINE, TEXAS on this the sth day of �uly , 1993. , � � i � APPROVED: � William D. Tate Mayor ATTEST: in Huff City Secretary ' APPROVED AS TO FORM: �.,�� John F. Boyle, Jr. City Attorney , i � � ' 2 EXHIBIT� ,C� �'�; _ TO -� � Pa�� ---�.... of ,..�.�,_ . ,. , � � . .� MUNICIPAL WATER POLLUTION PREVENTION � MWPP ' . � . � E - NVIR4NMENTAL AUDIT REPORT . � PREPARED BY ;� � MUNICIPALITY: �rapevine � 'STATE: TeXas ADDRESS: 30� w. naiias . NPDES PERMIT #: Txoos2o�8, Docket #V1=91-2734 ; • FOR WASTEWATER TREATMENT PLANT ��. . _ .. . . CONTACT PERSON: Jerry' L�.` Hoa�ge �� . ._ `� �. , _ MUNICIPAL OFFICIAL � Director of Public Works TI TLE � , , TELEPHONE #: csi�) 4si—os�9 �` ; CHIEF OPERATOR: Francis M. Formoso ' � ' NAME - - TELEPHONE #: csi�) 4si—o4i� _ SiGNATURE: ` AUTHORIZED `TITLE DATE ' REPRESENTATIVE ' � EPA REGION 6 1 . . . AUGUST 1992 � ' � . EXHIBIT�, T � �`j�_,�� . Page _�____ of �—='� _ � PART 1: ZNFLUENT FLOW/LOADINGS ' � ' A. List the average monthly volumetric flowa and BODS loadings received at your facility during your 12 month MWPP reporting period. (Znfluent sampling should be at the same frequency as the required effluent sampling. ) MWPP Reporting � Col. 1 Col. 2 Col. 3 Period Average Monthly Averaqe Monthly Average Monthly . Influent Flow Znfluent BODS Znfluent BODS Concentrations Loadinq Year Month fMGDI fmq/1l (pounds per davl 1992 April 1 . 80 152 .40 2288 1992 May 1 . 95 164. 25 2671 1992 June 2. 01 153. 25 2569 �� 1992 July 1 . 87 178 . 20 2779 . �, 1992 August 1 . 79 173. 25 2586 , 1992 September 1 . 76 182 . 66 2681 1992 October 1 . 62 156. 00 2108 1992 November 1 . 60 252. 00 3363 1992 December 1 . 77 213. 60 3153 ' 199�3 January 1 . 69 204. 00 2875 1993 February 1 . 98 174. 00 2873 1993 March 1 . 96 176. 25 2881 Give source of data listed above: Operation' s Monthly Log Laboratory Tests (In-House) , Flow Chart Recorders. � . �'' 1 B.� Liat the average design flow and BOD5 loadinga for your facility in the ��'"'� blanks below. Zf you are not aware of these design quantities, refer to your O&M manual. �.. � Average Flow BODS Loading (HGD) (Pounde per day) Design Criteria: 3. 75 6 255 90$ of the Desiqn Criteria: 3. 375 5630 C. How many times did the monthly flow (Col. 1) to the WWTP exceed 90$ of the deaign flow? 0 (Circle the appropriate number) 0-4 i 0 points• 5 or more = 5 points D. How many times did the average monthly flow (Col. 1) to the WWTP exceed the deeiqn flow? � (Circle the appropriate number) 0 = 0 points; 1-2 = 5 points; 3-4 = 10 points; 5 or more = 15 points E. How many times did the average monthly BODS loading (Col. 3) to the WWTP. exceed 90$ of the desiqn loadinq? 0 (Circle the appropriate ��. number) � # . ,�r 0-1 = 0 points; 2-4 = 5 points; 5 or more s 10 points � F. How many times did the average monthly BODS loadinq (Col. 3) to the WWTP exceed the design loading? 0 (Circle the appropriate number) 0 = 0 pointa• 1 = 10 pointa; 2 = 20 points; 3 = 30 points; 4 = 40 points; 5 or more = 50 points G. List each point value you circled for C through F in the blanks below and place the total in the box. C points = � D points = � E pOiIItB a � F points = � TOTAL POINT VALUE FOR PART 1 � Enter this value on the point calculation table on the last page. '"�"� �,,� 2 � EXH181T–.C.� TO ��..-�'�.,.�-�.� — Page � of �--�_ M U1 m m Sd Q' N � � G N (� C*) �' M "�" ro � o � o . o 0 0 0 0 0 0 0 0 0 0 f u o 0 o c c o 0 0 0 0 0 0 � � � ° �-, Q \ � � � � � � � � � � � '�► ; � � � N ,_..i I t0 c*) N c�") O l� [� d� O O O � � � � U M � � � � � � � � � � � •p Cl . � CJ � N l0 LC) d� l� LCl Lfl �' . � � O � t0 61 l0 lfl (� 11l LCl tC) ti*' If) lfl � � � J-� 1� � I� l� l� l� I� l� l� l� [� I� l� � � m C 3 .yc �n � t� co c'� tt� rn tc) r �-+ n'� �D � Q � M a �, N N rn rn o 0 o rn o � r; o c c w " � r r �o �o t� � r �o r t� r r w o c o �o .� ,; wa � � � - ,i°, a� ..� w° ce y C W d O U O � o � W U �.-� f1� d � C � td � "' O O O O N r1 O O cV O O O � a o p\ � o r-� c� c� cn c� c� rn m o ao w � �" � � � � [� l� l� l� t� [� l� l� l� [� C� ti1 � d .-�i C y�i e�a� .0 O 01 , G � 3 O E .�-� m z Z .-t � � d 4 V � M� b �U z x � � w ro a' c � � � � � E ^ � � +� .d � ,..� ,_,.� N � c,") O O tC) O O � ,� O O �r'� � .-a c*') �n O N O tr) 4Z +1 J.l a VI B � �y N �--r f� .-� � N � � N N a -i '� o E . '^' �, O ro Q a�iw � a a�i �+ m ' ^ �,-� �,.� �n o �n � � c+-, o 0 0 0 >+ '��' � 1� zl �[f� M M N M N C1' �7' �--� ,--r l� Ln LC1� M �d � U O O E ,� ,� �-�+ � �--� �--� '-+ N N N N N � a' A� z o ao �. a � b a e i � �, �, �, � a� rom b �� z ..�i � s� o � � � N A ..�R s-i b � � O c � a�i .� � m � A � E rts � ,� w w a m c � c � �, � �-a'i � �. � > u � .�n. � w m o+ ro m U c � a � '� h � r� o z A ti r�, � r c � -+ � � � � � �, a � � -- o � . w �-�+ 3 C � a�l -•�+ N a s+ � N N' N N N N N N N (�") M f+") H a a �+ a, a, rn rn rn rn rn rn rn rn rn rn rn rn rn rn rn rn rn rn rn rn rn rn a rt � a� ,� � ,� �--i ,� � � ,� ,� � r-, r, (2) Average Honthly Hass Loading �� ,., � MWPP Reporting Period NEi3-N Total BODS TSS or NO3-N Phoephorua Year Month (lbs/day) (lbs/day) (lbs/day) ' (lbs/day) Other 1992 April 11 . 3 9. 4 1992 May 21 . 6 16. 3 i 1992 June 21 . 0 33. 5 � 1992 July 20. 3 23.4 1992 August 18 . 7 46. 7 _�� , 1992 September 21 . 1 16. 3 ��+ c 1992 October 19. 5 18.0 ��, I 1992 November 28 . 4 33.4 I 1992 December 31 . 0 14. 8 1993 January 38. 1 17. 6 1993 February 41 . 3 33. 0 1993 March 40. 9 4. 9 �� -� 4 EXHIBIT� TO �� '�� Pa�e —.�� of � � m a�i x � -.+ .c .' u .-� .N a� o � v , � � _ � o i, o a� � . � � � a � U N >, o A Z 1� � O � � d � .�u l� �C m v d m 3 � � z v � • .-i p U � O ' p W . La -� U " y O � a�i >, .G • .0 t+ 3 � O Q Z O � .-�i m 1+ O d d m O f2 U � w Gl 1� ' m C O m CW .� W.-1 C� t1 t0 +1 �tl m � �"'� 01 d � 1� O O+ .0 .0 , 'c a�i H a � m o d � � .c • � ro �,,-.v.� � z p o � •. a i w s� .a s, >. -+ � o O � o � �, o w .► --1 .0 �O '' � m z zi � b �ro m m � «�-i � c+f e�t O+ �d � O A -�-+ a�i a�i z z � �c E°+ a � U O� .� V ro o m ro w s� � Ol �.1 � � Z � .0 C C � 1 a0 �' a� -.°+ .-+ `n z o� s� � ,� � cr i z m w° � � v�i E � .a 5C s� � � �s H -- �r z o -- m -+ ro �a -'�+ � .c .°a .� o m m �. ,� ,� m �o �, ,� � � b � zi � �n� � m rn c� � x O E � � r-�'+ v�i A �r � . GJ Z G W �- .0 E-� � O. � O � -.1 C .� Cl �tl � y o � � � -• m � � c �+ a o � •i a+ v � � � � d � O � O U O a � A M N .c ro U U � y -a m � � � -.1 � ri �1 N � � ..� ro -- .. .. ... « .. � m w y m � m w � m -a � o � +� --+ a� o -+ �+ � -a � 'a -a E E � � o m � �m' --�+ o ai -+ m aa a� aa a ►a rnaa ', C. How many months did the effluent BODS concentration (mq/1) or loading �� ' (lbs/day) exceed 90$ of permit limite? 0 (Circle the appropriate number) �_,� 0-1 = 0 points• 2 = 10 points; 3 � 20 points; 4 = 30 points; 5 or more = 40 points D. How many months did the effluent BODS concentration (mg/1) or loading (lbe/day) exceed permit limits? 0 (Circle the appropriate number) 0 = 0 points; 1-2 = 5 points; 3 or more = 30 points E. How many months did the effluent TSS concentration (mg/1) or loading (lbs/day) .exceed 909c of the permit limits? 0 (Circle the appropriate number) ' 0-1 = 0 ointa• 2 = 10 points; 3 = 20 points; , 4 = 30 points; 5 or more = 40 points I F. How many months did the effluent TSS concentration (mg/1) or loading , (lbs/day) exceed permit limits? � {Circle the appropriate number) � 0 = 0 points; 1-2 = 5 points; 3 or more = 30 points �� G. How many months did the effluent Ammonia-Nitrogen or Nitrate-Nitrogen � ; conceatration (mg/1) or loading (lbe/day) exceed 90$ of the permit �� limita? N/A (Circle the appropriate number) 0-1 = 0 points; 2 = 10 points; 3 = 20 points; 4 = 30 points; 5 or more = 40 points H. How many months did the effluent Ammonia-Nitrogen or Nitrate-Nitrogen ! concentration (mg/1) or loading (lbs/day) exceed permit limits? �T'� ' I (Circle the appropriate number) i 0 = 0 points; 1-2 = 5 points; 3 or more = 30 pointa I I. How many months did the effluent fecal coliform concentration exceed the � permit limits? N/A (Circle the appropriate number) 0 = 0 points; 1-2 = 5 points; 3 or more = 30 points � J. How many months did the effluent Phosphorus concentration (mg/1) or loading {lbs/day) exceed 90� of the permit limits? N/A (Circle the appropriate number) 0-1 = 0 points; 2 = 10 points; 3 = 20 points; '�"`� 4 = 30 points; 5 or more = 40 pointa ��w� 6 7 d ��tH191 T TO '�� --" ,�'" � Pa�e � of �_ �.w R. How many months did the effluent Phosphorus concentration (mg/1) or lcading (lbs/day) exceed the permit 1 i�nits? N A (Circle the appropriate number) � . 0 = 0 points; 1-2 = S points; 3 or more = 30 points �L. Is biomonitoring required by your NPDES Permit? X Yes No a. Zf yes, has the biomonitoring been done or is it currently in ' progress? Done Give results including partial findings: See . "Attachment A" ( Include letter of confirmation from EPA that Bio-Monitoring requirement is exemp�ed from further testing) . � Enclosed: Letter of reciuest for Bio-Monitoring Exemption Confirmation and acceptance letter from EPA Bio-Monitoring Lab Results ��. ;�; DMR Bi-Annual Bio-Monitoring Report M. Add the point values circled for C through R and place in the box below. C points = � G points = N/A R points = N/A D points = � H points = N�p' E points = � Z points = N/A ' F points = 0 J points = N/A TOTAL POINT VALUE FOR PART 2 � N. Print or type the name, title, and telephone number of the person responsible for reporting non-compliance to State and Federal agencies: Assistant Director Matt Singleton nf Puh1 ; c Works (817 ) 481-0374 Name Title Telephone Number Enter the total point value for Part 2 on the point calculation table on the last page. � � 7 �� PART 3: AGE OF TFiE WASTEWATER TREATMENT FACILITIES . .�x,�+ A. What yeaz was the wastewater treatment plant constructed or last � major expanaion/improvements completed. 1987 � Current Year - (Answer to A.) = Aqe in yeare 1993 - 1987 = �_ Yeara Enter Aqe•in Part C., below. B. Check the type of treatment facility that is employed: actor �_ Mechanical Treatment Plant 2.5 , (Trickling filter, activated ' sludge, etc. ) � Specify Type Aerated Lagoon 2.0 Stabilization Pond 1.5 � ' �� Other (Specify) 1.0 �� .�r C. Multiply the factor listed next to the type of facility your community employs by the age of your facility to determine the total point value of Part 3: TOTAI, POINT VALUE FOR PART 3 = 2 . 5 x 6 = 15 � (factor) (aqe) �I Enter this value or 50, which ever is less, on the point calculation Ii table on the last paqe. D. Please attach a schematic of the treatment plant. �� ` � � 8 , n EXHIBIT� TO �� Page %� of .� ,� Part 4: OVERFLOWS AND BYpASSES � �. {1} List the number"of times in the last year there was an overflow, bypass, or unpe�-mitted discharge of untreated or incompletely treated wastewater due to exceasive flowa within the collection ' system: � (Circle One) 0 = 0 points• 1 = 5 points; 2 = 10 points; 3 = 15 points; 4 = 30 points; 5 or more = 50 points (2) List the number of bypasses, overflows, or unpermitted discharges shown in A (1) that were within the collection system and� the number at the treatment plant. Collection System � Treatment Plant � B. (1) List the number of times in the last year there was a bypass or overflow of untreated or incompletely treated wastewater due to � equipment failure, either at the treatment plant or due to pumping problems in the collection system: 1 (Circle One) 0 = 0 points; 1 = 5 points- 2 = 10 points; 3 = 15 points; 4 = 30 pointa; 5 or more = 50 points � � (2) List the number of bypasses or overflows shown in B (1) that were -; ,� within the collection system and the number at the treatment � plant. . Collection System 1 Treatment Plant � C. Specify whether the bypasses came from the city or village sewer system or fram contract or tributary communities/eanitary districts, etc. City Sewer System D. Add the point values circled for A and B and place the total in the box below. TOTAL POINT VALUE FOR PART 4 � Enter this value on the poizst calculation table on the last page. E. List the person responsible for reporting overflows, bypasaes or unpermitted discharges to State and Federal authoritiea: Assistant Director Matt Singleton of Public Works ( 817) 481-0374 Name Title Telephone Number Describe the procedure for gathering, compilinq, and reportinq: EPA and TWC Communications, Collection System Records , � Wastewater Plant Records . 9 �� Pe'�aRT 5: ULTIMATE DISPOSITION OF SLUDGE � ,�� A. What is the final diaposition of eludqe from your treatment plantl Landf i 11 B. Describe sludqe management practices Aerobic Digestion, Thickening, Holding Tank (Aera�ed) ' Belt Press Dewatering with Cationic Polymer, Contract Hauling to Landfill I Annual TCLP Tests done by outside Lab � � (See Attachment "B" - NDRC Lab) �� =i� ��.� C. If sludge is dispoaed of by land application (surface application or . shallow injection) , complete the following: , (1) Does your facility have accesa to sufficient land for: (Circle ; the appropriate point total. ) '�, 3 or more years = 0 points ! 24-35 months = 10 points 12-23 months = 20 points � 6-12 months = 30 points , less than 6 montha = 50 points (2) What type of cover is on the site? Crops consumed by animals whose products are consumed by humans. Crops that are directly conaumed by humans. Neither directly or indirectly consumed by humans. �� No plant cover. �, .� 10 � EXH181T� TO � = � �-�..1 Page ..,L� of ..�.� �* (3) Describe how accesa to the land application site is controlled: For the public: N/A ��wr ' For grazing animals; N/A {4) Check applicable 40 CFR Part 257 requirements: X Procesaes to Significantly Reduce Pathoqena (PSRPj Processes to Further Reduce Pathogens (PFRP) Does your treatment plant have the capability of ineeting these sludge requirementa? X Yes. . . . . . . . . . . . . . . 0 Points No . . . . . . . . . . . . . . . 50 Points Describe the sludge treatment processes: APrnl�ic Digestion, Aerobi.c Holding Tank (Detention Basin prior Belt Press De-Watering) . �wn� . s (5) If the plant has the capability, are the sludge requirements identified in (4) above currently beinq met? XYes. . . . . .. . . . . . . . . 0 Points No . . . . . . . . . . . . . . . 50 Points D. Zf the sludge is disposed of by landfilling (trenching or burial operation) , complete the followinq: (1) Identify the means of disposal: Monofill X Combined with other municipal solid waste Other (Specify) w� 11 (2} Does your facility have accese to aufficient land filling sites �� for: _ p � . , (Circle the appropriate point totalj ~ "°` 3 or more eare = 0 ints � 24-35 montha = 10 points � 12-23 months = 20 points 6-12 months = 30 points less than 6 months = 50 points (3) Is the landfill registered/permitted to receive aludge? XYes . . . . . .. . . .0 Points No . . . . . . . . . .50 Points N/A in New Mexico, see E. below. � E. Does the sludge dispbsal `�ite have an approved Ground Water Diacharge ', Plan? (New Mexico only) Yes . . . . . .... . .0 Points �� No . . . . .. .. . .50 Points � � � F. Does this city have an approved Bludqe management p1anT (Oklahoma and �� Arkansae only) Yes . . . . . . . . . .0 Points No . . . . . . . . . .50 Points N/A I TOTAL POINT VALUE FOR PART 5 � • Enter this total on the point calculation table on the last page. w�w �,� 12 EXy�B�T� TD �� =�� Page _.,.�_ of � � � PART 6: NEW DEVELOpMENT ' � A. Please provide the following information for the total of all sewer line extenaions which were installed during the last year. � � Design Population: 16, 250 Design Flow: 3 • 75 MGD Design BODS: 200 mg�l � B. Has an industry (or other developmentj moved into the community or . expanded production in the past year, auch that either flow or pollutant loadings to the seweraqe aystem were siqnificantly increased (5$ or greater)? (Circle One) No = 0 points; Yes = 15 points Describe• No � °�°� List any new pollutanta: Y C. Is there any development (industrial, commercial, or residential) anticipated in the next 2-3 years, such that either flow or pollutant loadings to the sewerage system could aignificantly increase? (Circle One) No = 0 points• Yes = 15 points Describe: No List any new pollutants that you anticipate: D. Add together the point value circled in B and C and place the eum in the blank below. ,�„ TOTAL POZNT VALUE FOR PART 6 � Enter this value on the point calculation table on the last page. �w. 13 �� ' PART 7: OPERATOR CERTZFICATION AND TRAZNING �,.,�, Provide information for your Wastewater Treatment Plant and Collection System .�(not Public Water Supply) . A. Responsible person-in-charqe of operation per shift. SHIFT• � a.m. - 3 p.m. , M-F N�: Jean J. Bartley TELEPxoxE #: �817) 424-0508 CERTIFICATION #; Sewage/Water L�L; A & B � ' LEVEL OF CERTIFICATZON REQUIRED: B . SHSFT: 7 a.m. - 3 p.m. , M-F Np�: 1 )Francis M. Formoso TELEPHONE #: �817) 481-0417 � 2 )Mike Gibson ( 817) 481-0417 CERTIFICATION #: Sewa e LEVEL: B 1 ewage LEVEL OF CERTIFICATION REQIIIRED: B 1 � '"'"`� � C �2 ) ��i .��► SHIFT: 7 a.m. - 3 p.m. , T-Sa • NAME: Dan Pet�,,y TELEPHONE #: �81 7) 481-041 7 CERTZFICATION #: Sewage LEVEL: � LEVEL OF CERTIFICATZON REQUIRED: C , SHIFT• � a .m. - 3 p.m. , Su-Th �, N�; Archie Hill TELEPHONE #: (817) 481-041.7 CERTiFiCATION #: Sewage LEVEL: � LEVEL OF CERTIFZCATION REQUIRED: C �r� �� 14 , ,-� ��tw181T� TO ��'�-�� Pa�e � of �— � Q . � � a * s w ro a z o 0 0 0 0 0 o c� o w '� w z in `° � � � � � � � ,-� � � E ►a-+ E-r F�+ OC Z . • �n E+ � .a M � � �l Lfl � lf� lD LC1 [ 01 C!' Lf') N � Q1 al Q1 Ol Ql Q \ � � O� O \ \ \ \ \ � W N \ � \ •--� O N l0 .-� .-� �+ E N l� M t� \ N N .-i N M � q � � � � N � � � � � l0 • [� Q' Ci' � tn l0 N ln l� E d m � OJ ltl l� �' �' M ln r-� � f�") �+ ,.� (V Lfl N l� 00 l0 dl Ql 11') l0 m � O V' N O� t0 � l� O� �' 0� �-+ N Cf O Ci' O I.f) �j' M N G kj I I I 1 I 1 I I I I � � a � O N V' l'n N N (h O N �.r Z W � l0 d' t0 .-� tf1 O c+') tp tCI U O pq I I 1 1 I 1 1 i I I d 1-1 � Lf') I� 00 CO l0 N .-i t0 01 Q1 � E� a t� . � t0 �7' l0 V' . tc'I tc) O tn O V Z �' O �7' V' C1' �1' V' �' M �f' U w W v H aW � � � W W \ W U] U U U \ U P] U r�..�, C U ►] �1 �1 '� �47, H N � w � rl �" �++ rt iZ � M �' O c'7 .-i 01 � N N m +�+ W Z H ' � '� ,� ,-� N -.�i � a+ O v� C � � y .-� �+ m re � -+ 3 o r, a d � ,� „ � � �, o � � � v . � ,� Q' �' � .a a a � 3 � �' s� ro o 3 � � �s � � ro \ f-1, !.� Sa 1a •,1 � � � 3 O .t� O O O A � � � � ,,,v.� . � .. . w, .� r�'o r''a � � � a e � c�'i c a �' v � s� s� s� +� a� v 3 � � � C [� �' '�i � Ul � N �1. S-t LI 4J ro w � � � .� a s� u � o o �, � °; � m E'' U7 U U O O O t/) [ra G� U w tvi -.�� N '� 1.� � � � w m O .+.� .� U m Gl .a � � � CJ1 � 1� C 0 C �', � N UI Sa � � -.1 +tl 6 � .° �i o o � � > � � a � s°'+ _ ° � +� r.� r� c� a, -� �s � v a m ..a s� v � x � � � � o �� o � �a u� A •-i � cn � ,,,,, � �' t� •� a� a� a� � ,s� a� H v� s� � � � � a ,� •� � A � d W r� td �'t U � U s-� s-i O �' �0 � � z h r-�u a � A � x 3 w � � � c"n C. Staffing identified in O&M Manual. �� ' TYPElTITLE: NUMBER OF EACH CERTIFICATION LEVEL . ' (I f appropriate) �.:.;� Supt/WWTP 1 A Chemist 1 C Chief Plant Oper. 1 ' B Operators 3 C Maintenance Worker 1 None • TOTAL• 7 COA4�SENTS: ' I, Treatment Plant and Collection Personnel. �I s determination for o erator certification and training. D. Point p • (Circle'the appropriate point totals below. ) �� (1) Certification level for reeponsible person(s) in � charge: � �� All meet or exceed required level. = 0 Points Any below required level. = 30 Points I (2) Training for last certification period: , All staff has required training. = 0 Points � Some staff has less than required training, but I all staff with at least 1 year of service has ' some traininq. • = 15 Points One or more staff with at least 1 year of service has no traininq. = 30 Points .�w• ' �;w 16 7 ��'��,�.� TO ��.. � �-.� Pa�e _.._L,�,,,,_ of �_ (3) Staffing for wastewater treatment system: � Equala or exceeds level listed in O&M Manual. = 0 Points � No O&M Manual. = 60 Points Less than level listed in O&M Manual. = 60 Points (4) Dedicated budget line item for operator traininq: Sufficient funds included in budget to provide each employee with minimum houra of • . traininq required for recertification or = � 0 Points � upgrade. . Insufficient funda included in budget to provide each employee with minimum hours of = 10 Points traininq required for recertification or upgrade. = 30 Points No dedicated training funda identified in the budget. TOTAL POZNT VALUE FOR PART 7 � ' � Enter this total on the point calculation table on the last page. � � 17 �• PART 8: FINANCZAL STATUS �µ, ,� All Financial Status Information ahould be based on your Host Recent Completed �. Fiscal Year BudQet. List Fiscal Year Beqina: October lst Ends• September 30th A. Liat your annual O&M costa, replacement costs (equipment replacement, such as motora, pumpa, bearinga, etc., for the uaeful life of the treatment facility), debt service costa, training costs, and revenue. � Annual Cost Actual Expenees Budveted Amount Wastewater Revenue I p�; S 23 , 500 g 27, 900 Total: 5 2, 389, 279 Replacement: + S 6, 900 + S 6, 900 Debt � Service: - 5 953, 469 ' Training: + S 1 , 200 + S 1 , 388 Sub Total: = g 31 , 600 � g 36, 188 galance: = S 1 , 435, 810 953, 469 953,470 •�� Debt Service: + S + S � ,�.;,� Debt Service Part of Total Reserves: + S RPGPTVPR + S other Reserves: + S 1 , 337, 913 + 51 , 333, 733 Total: = S 2, 291 , 382 a g 2, 291 , 382 B. Are revenues and expenditures for the wastewater utility/system poated to or kept in accounts separate from non-sewer accounts (i.e. , water utilities, public works, etc. )? (Circle one) Yes No � Explain: �e �.s 18 � ,-� �.xyieir� ro �::..� ��-�� paSe �L_ of �_ (1) Are sewer expenditurea ever paid for with non-sewer revenues? w�. (Circle one) Yes No �,,, If yea, explain: � (2) Are aewer revenues ever used for non-sewer expenditures7 (Circle one) Yes No If yes, explain: C. Are all users or user classes charged based on the proportionate use of ' the wastewater treatment works? Attach a copy of the rate schedule(s) . � (Circle one) Ye No �°:-�� If not, why? See Attachment "C" (ly What was the total billing amount for sewer user rates (do not include connection fees and other special fees) for the last fiscal year? g 2. 254, 989 {2) What amount of this billinq total was outstanding (i.e. , not collected) at the end of the last fiacal year? __ g 6, 749 : (3) What is the cumulative total of outatanding fees for the last five years or other time period ae of the end of the last fiscal year7 Specify time period: FY88-FY91 (5 Yrs. ) Cumulative total: S 121 , 588 � � 19 D. � Are the equipment replacement funds in a segreqated account? f'� �_. i (Circle One} Yes No . (Equipment replacement, such as motors, pumpe, bearinqs, etc. , for the �`'� useful life of the treatment facility. ) Equipment Replacement Fund � Beqinnfnq Date: 10/O 1/91 Balance: S 2�� 900 Additiona: + S 16, 784 Disburaements: - S 44, 684 Ending Balance: 5 -�- Date: 09/03/92 Explain disbursementa: Motors, Pumps and Safety Railings . � ' installed. E. What financial resources do you have available to pay for your wastewater improvement/reconstruction neede? (excluding maintenance ' �r�, replacement mentioned in D above) ; fit Sewer rate structures and Revenue Bonds . �� I�I Is there a capital improvements fund in place7 I (Circle one) Yes No �.a . �� 20 ' �;�� .,-�'-�'�,�/'% �XHI81T� T� of .�=--- �aA � PA.t?T 9: SUBJECTZVE EVALUATZON ' - � A. Aescribe briefly the physical and etructural conditians of the treatment facilitiee• The physical and structural integrity of the Treatment Facilities are good and sound. B. Describe the condition of the collection/conveyance system including lift etations (i.e.aqe of sewer, infiltration/inflow etc.) � Grapevine has sewer lines ranging from forty (40) years old � to lines being installed presently. 70% of the sewer lines are less than twenty (20) years old. C. What sewerage system improvements does the community have under consideration for next 10 years? 14, 750 feet of the older sewer lines are currently being sliplined. Grapevine intends to "'��' spend $1 . 5 million over the next three (3 ) years to slipline � the oldest portion of the collection system. � D. (1) List the theoretical design life of the plant. 15 years (2) List what you believe is the remaininq useful life of the wastewater treatment facilities in light of development and maintenance/condition of the facilities: 10 ye ars (3) Explain basis for estimate of remaining useful life: Population qrowth pro7ections. E. What problems, if any, have been experienced over the last year that have threatened collection or treatment of wastewater7 None � � 21 F. Are there commercial or induetrial dischargera to your wastewater �� system? (Circle One) Yea No �, � Describe: No industrial dischargers. Only commercial and _r�sidential discharctes . (1) . Do you have an industrial pretreatment program? (Circle one) Yes No �f yes, deacribe: See attachment "D" letter of exemption , from EPA. (2) Have you pursued source �redvction to reduce the load on your treatment works7 � (Circle one) Yes No . �'� r Zf yes, describe: Grease Traps and Sand Traps Cleaning ty� - �,r Receipts are recorded and filed at the Wastewater Treatment Plant. , G. How are 9eptic tank pumpings (septaqe) handled at the treatment plant or ', land application site? N/A H. Have you considered development of a plan to address water conaervation and/or the reduction of organic and nitrogenous loadings to the treatment facilities by individuals uaers? (i.e., uae of flow reduction devices, ban on use of garbage disposals, etc.) (Circle one) Yes No Zf yes, describe: Grapevine currently has a "Water Conservation �� Drought Contingency Plan" by ordinance as part of our efforts �� to conserve water. 22 � EXHIBIT._._, TO � c�� Page ...�.�. 01� pe�+ M. Do you have a program to collect hazardous household wastes directly from individuals at the wastewate.r treatment plant or other location to prevent disposal in the wastewater collection system? �Yrr (Circle one) Yes No If yes, describe: N. Do you recover digester gas or have any other type of recycling or apecial programs associated with your wastewater treatment system? (Circle onej Yes No If yes, describe: O. Is your community presently involved in formal planning for treatment �""'"° facility upgrading. If yes, please describe: ;£ � N/A P. How many times in the last year were there overflow or backups at any point in the collection system for any reason, except clogging of the service lateral connection? *g 5 t ime s *The majority of this number did not result in outflows, but resulted in service problems by our customers. � � � 24 I.. Is your treated wastewater effluent reuaed outside the treatment �p� facility? • (Circle one) ^ Yes No �: � Zf yes, describe: Wastewater Plant Sprinkler System, Belt ' � Press Washwater, Chlorination, Parks and Recreation Tree Farm. {1) What potential reuae alternatives are available? Deacribe: Water Source for Golf Course I J. Are there ongoinq efforts to reduce the quantities of any chemicals �, (including gasee) used in the wastewater treatment eyatem? (Circle one) Yes No N/A If yes, describe: Use of Liquid Dechlorinating Agent as ' ��► opposed to gaseous sulfur d�ioxide, No chemicals used to {�� • enhance process. �� K. Has an enerqy audit been performed to determine the minimum amount of energy needed for efficient operation and maintenance? ;I (Circle one) Yes No I If yes, describe: L. Is your aludge recycled for beneficial use? (Circle one) Yes No Zf yes, describe beneficial use: �•� If yes, are the requirements of 40 CFR 25'I being met? �.� (Circle one) Yes No 23 � -� EXHIdIT�_ TO ��°� �'�:�,;� Pa�e .�,Z., of ..�i..., Q.. Does your treatment syetem have a written operation and maintenance � program including a preventive maintenance program on major equipment items and aewer collection system. � �"' Treatment Plant: (Circle .one) Yea No , If yes, deacribe: Computerized service schedules and preventive maintenance of major equipments staggered through-out the � year to ensure proper operation. 0&M Manual for all plant _ equipment is utilized. Collection" System: (Circle one) Yes No if yes, describe: Computerized �lube service and preventive maintenance of major equipment (Lift Stations ) and daily checks, to ensure proper operation, routine cleaning of sewer � lines to prevent stoppage. R. Doea this preventive maintenance proqram apecify frequency of intervals, types of lubrication, types of repair, and other preventive maintenance taska neceasary for each piece of equipment or each section of sewer7 Treatment Plant (Circle one) Yes No �� - � ;; Collection System (Circle one) Yes No '�++ S. Are these preventive maintenance taska, as well as equipment problems, being recorded and filed so future maintenance problems can be assessed properly? T_reatment Plant (Circle one) es No Collection System (Circle one) Yes No T. Zs an inventory of spare parts and preventive maintenance supplies maintained (i.e. , oil, grease, packinq, etc. ) as apecified in your O&M manual? (Circle One) Yea. No U. What portion of the continuing education expenses of the operator-in- charge were paid for by the municipality? Complete By the operator? None what percentage of the wastewater budget is dedicated for training? � < 2 $ � . 25 V. Ia there a policy encouraginq continuinq education and training for �"�'� wastewater treatment. plant employ.ees? - (Circle one) . Yes No �:. � Ie it in writinq? (Circle one) Yea No ; ; : Explain policy: Tuition Reimbursement - 100%, includinct fees for "C" and above (Underaraduate ) . "B" and abovP (C�rad �atP) hours . Employee Handbook Sec. 400 and 600. W. Describe any major repairs or mechanical equipment replacement that you made in the last year and include the approximate cost for those � repairs. Do not include major treatment plant conetruction or upqrading , proqram. See Attachment "E" �"� : � X. Any additional comments? (Attach additional sheets if necessary. ) ",m,,., �� .�� 26 ��wi�ir� ro � ��,2,_ Page � Of � ,�� POINT CALCULATION TABLE Fill in the Values from parts l.through 7 in the columns below. Add the �' numbers in the left column to determine the point total that the wastewater syatem has generated for the previoua year. Actual Max unuin Actual Values Valuea Possible Part l: Influent Flow/Loadings 0 80 Points Part 2: Effluent Quality/Plant Performance 0 310 Points Part 3: Age of WWTT 15 50 Pointe �� . �� ' Part 4: Overflows and Bypasses 5 100 Points Part 5: Ultimate Disposition of Sludqe 0 200 Points 150 in LA & TX Part 6: New Development� � 30 Points � Part 7: Operator Certification Training � 150 Points Texas & Louisiana 870 Points TOTAL POINTS 20 Arkansas, Oklahoma & New Mexico 920 Points � �w 2? ,�w � � ATTACHMENT 3 � � �: »� SAMPLE MWPP RESOLUTION Resolved that the city of informs EPA Region 6 that the following actions were taken by the (governing body) l. Reviewed the Municipal Water Pollution Prevention � Environmental Audit Report which is attached to this resolution. 2. - Set forth the following actions necessary to maintain permit requir�:ments contained in the NPDES Permit number (Please be specific in listing the actions that will be taken to address the problems identified in the audit report. ) a. b. �� c. � �3 ', �� d. � etc. Passed by a (majority) (unanimous) vote of the on (date) CLERK �� ` �:.� ATTACHMENT "A" I;TPr1TT'ED STATES �:N'VIRCINI1�IrI'i'AL PROTECTION AGENC'Y I�G�ON6 �i�N181T..�, TO �� '.�� •-- 1445 ROSS AVLNUlt,StJITE 1240 � �� D�1LLA5,TEX�B 7S20Z-2733 pa�e •�d:,..� Of .�..._.,.. � 7une 26, 1992 �i.EPLY "T'O; SW-�''1' � �Ir. Jerry L. Hodge T?irector of�ublic Works City Of Qrap6vine P.O. Box 95104 Grapevine, Texas 7645i Re: Wastewatar Tr�tment Plant . —� NP17�S Permit No.'TX00324�$- --�.. _ ._. _. ---.-.- .--.--. . _.. . .. Compl�tion of Biomonitoring Itequirsmants ' Dear Mr. Had�e: Th�s correspondencc ia to confirm the successful completion of the biomonitoring requiremonts for the City of (3rapeviae's NPDES Permit No.TXp03?A18. Alt biomon9toriag tests conducted as specifled � utiiizing Carlod�phn;a duhia and �im h,�l�nromelas indicated no toxicity. 'Thotefore, in accordanca with NPD�S Pernut No.TX0032p18, the biamonitoring requirements of this p�rmit hereby expire as of May �1, 1992. If you have questions concerning the expiration of thc �� afaramentioned biomonitoring requirements, please contact Brian Butgess of my staff at 214-SSS-?175. `," $incaraly yvurs, � Wc�n Stenger � Chief � Toxics Control Sectio� (6W-P'1� � �� >�_ cc: Chris Macomb (TWC) � � ATTACHMENT "A" � ,•� 1�urcuc° ��'i�f� ,-� t'cr�r �"' .� � �, � C��piPEVINE June 12 , 1992 Ms. Sharon Haggard USEPA Region �`6 Water Enforcement Branch (6W-EAT) 1445 Ross Avenue Dallas, Texas 75202-2733 RE: Biomonitoring Test, NPDES_ Permit #TX0032018 � � ', Dear Ms. Haggard: i Enclosed you will find two biomonitoring test reports taken in i November, 1991 and May, 1992 for the City of Grapevine. Both samples �, passed the toxicity testing at all dilutions. We request that the City of Grapevine be exempted from further bio- monitoring requirements, per page 7 of Part II, Section B (9) of NPDES Permit #TX0032018. t�•�°� T� f If we can answer any questions or be of further assistance, please �+�+� call me at 817/481-0372 . Sincerely, , �� 7� � ��>��+YL .� , � ,, , Jerr . Hodge Director of Public Works Enclosure ' JLH/JJB/FMF/feo xc: Mark S. Watson, City Manager Trent Petty, Assistant City Manager John Mummert, TWC, 1019 N.Duncanville Rd, Duncanville,TX 75116 Matt Singleton, Assistant Director of Public Works Jean J. Bartley, Superintendent-Water/Wastewater Trt. Plants Francis M. Formoso, Chief Operator Wastewater Plant Permit File File �� .� ri n�. c;rr� c�t�c;rt;�i�i:��i��i�. I'l!�;I.I(: �VOItK� 1)(:('"1: f'.O. I��x S►;Iti.L • (;ri�x•��inc�, �t'<•�:�ti 7(;(t:1 • I'lu��u• \1rlr�� HI.—�•iSil �t:3�� tHldi i,..��, 1'0 �� a�e -- Of ...�._. TABLE 1 . BIOMONITORING REPORTING � CiRIODAPHNIA SURV�IVAL AND REPRODUCTION TEST `�"""' �e.�mittee: City of Grapevine WWTP ' :`��DES No. : TX0032018 , TWC 10486-002 ' �utfall No. : 002 Date Composite collected Time Composite collected FROM: 11/05/91 TO: 11/06/91 FROM: 1200 TO: 1100 ' :�ROM: 11/07/91 TO: 11/08/91 FROM: 1000 TO: 0900 � rROM: 11/10/91 TO: 11/11/91 FROM: 1200 TO: 1100 Test initiated: � 0809 am/pm il/07/91 date Dilution water used: �X Receiving water � Reconstituted water � NUMBER OF YOUNG PRODUCED PER FEMALE @ 7 DAYS Percent effluent (%) � REP 0� " 4% 8� 15� 30� 60� ' ;;; . .�`,� � A � 38 � 37 � 33 � 38 � 27 � 32 � . � B � 38 � 32 � 32 � 32 � 28 � 27 � � C � 30 � 30 � 30 � 29 � 25 � 8 � � � � D ` � � 36 � 34 � 34 � 33 � 37 � 29 � �' E � 38 � 35 � 36 � 26 � 29 � 30 � . � F � 31 � 37 � 32 � 35 � 27 � 27 � -� � G � 28 � 36 � 34 � 26 � 28 � D-O ' i � H � 32 � 41 � 37 � 33 � 34 � 27 � � � � � � � � � � I � 40 � 36 � 32 � 26 � 26 � 29 � ' � J � 34 � � 32 � 36 � 33 � 29 � 29 � � � � � � � � � � Surv � 34 . 5 ; 35. 0 ; 33 . 6 ; 31. 1 ; 29 . 0 ; 26.4 ; � Mean � � � � � � � i Total i i i i i i i � Mean i 34 .5 � 35. 0 � 33 . 6 � 31. 1 � 29. 0 � 23 .8 � +� i �CV% i 11. 85 i 9 . 04 i 6. 61 i 13 . 43 i 12 . 80 i 26.88 i _ � � � � , � � , �coefficient of variation = standard deviation x 100/mean �,, of young of surviving females Prepared by: ,�)��^�� Bio-Aquatic Testing TABLE • 1 (CONT. ) BIOMONITORING REPORTING ��w � CERIODA.PHNIA SURVIVAL AND REPRODUCTION TEST �, � Permittee: City of Grapevine WWTP , NPDES No. : TX0032018 TWC 10486-002 outfall No. : 002 PERCENT SURVIVAL � Percent effluent (�) . Time of Reading 0$ 4� 8$ 15$ 30� 60� � ! 24th i 100 ; 100 i 10o i 100 i 100 i 100 i � i 48th i 100 i 100 i 100 i 100 i 100 i 100 i � �il �� ; 7-day i 100 i 100 i 100 i l00 i l00 i gp ; � 1. Dunnett's Procedure or Steel's Many-One Rank Test as appropriate: Is the mean number of young produced per female significantly �� less (p=0. 05) than the control's number of young per female � for the $ effluent corresponding to: . � . �� a. LOW FLOW ( 15� ) : YES X NO ' b. 1/2 LOW FLOW ( 300 ) : X YES NO 2 . Fisher�s Exact Test: II Is the meari �survival at 7 days significantly less (p=0. 05) ! , than the control survival for the � effluent corresponding to: , a: LOW FLOW ( 15$ ) : YES X NO b. l%2 LOW FLOW ( 30� ) : YES �_ NO 3 . Enter percent effluent corresponding to each NOEL below and circle lowest number: a. NOEL survival = 60 $ effluent � b. NOEL reproduction = 15 % effluent . �� Prepared by: _ �l � Bio-Aquatic Testing ��ct�ieir� ro � �r�� -�� F'a9e ..�.�.. of �i., TABLE 1 ' � BIOMONITORING REPORTING FATHEAD MINNOW LARVAE GROWTH AND SURVIVAL �"' (Pimephales promelas) . Permittee: _City of Grapevine WWTP ?�1PDES No. : TX0032018 TWC 10486-002 Outfall No. : 002 Date Composite collected Time Composite collected FROM: _11/05/91 TO: 11/06/91 FROM: 1200 TO: 1100 FROM: 11/07/91 TO: _ 11/08/91 FROM: 1000 TO: 0 �'ROM: 11/10/91 TO: _ 11/11/91 FROM: 1200 TO: 1100 Test initiated: 0809 am/pm 11/07/91 date Dilution water used: � Receiving water � Reconstituted water DATA TABLE FOR GROWTH OF FATHEAD MINNOWS � '� Effluent Average Dry Weight in Mean � �, Conc. (%) milligrams in Dry replicate chambers Weight A B C D mg CV$� � 0� � � 0. 465 � 0. 514 � 0. 391 � 0. 351 � � 0.430 � 17. 00 � i 4 s- i � ' � , � , 0.431 � 0. 379 � 0.464 � 0. 330 � � 0.401 � 14 . 68 � � � � ; 8°s ! � 0. 412 � 0. 384 � 0. 416 � 0. 432 � � 0. 411 � 4 .86 � � , , , � 15$ • � � 0. 361 � N/A � 0.442 � 0. 577 � � 0.460 � � ' ' 23 .72 � � � � 30% ; � 0.434 � 0. 382 � 0. 406 � 0. 434 � � 0. 414 � 6.06 � � � 60% � � 0.401 i 0.462 i 0. 366 i 0.449 i i � 0.420 i 10.55 i � � �coefficient of variation = standard deviation x 100/mean ?. Dunnett's Procedure: Is the mean dry weight (growth) at 7 days effluent significantly less• (p=0.05) than the control's dry weight (growth) for the � effluent corresponding to: . a. LOW FLOW ( 150 ) • ** YES ** NO b. 1/2 LOW FLOW ( 300 ) : **� YES ** NO �* For Technical Review: The P. promelas test is invalid due to unacceptable ;ortality in the receiving stream dilution water control. Performance ��ontrol met test acceptability criteria indicating possible pre-existing instream toxicity. Prepared by: _rf� Bio-Aguatic Testing II TABLE 1 (CONT. ) BIOMONITORING REPORTING FATHEAD MINNOW LARVAE GR0�9TH AND SURVIVAL TEST �� (Pimephales promelas) <..: ;. PeYmittee: _City of Grapevine WWTP ' NPDES No. : _TX0032018 , TWC 10486-002 Outfall No. : 002 DATA TABLE FOR SURVIVAL OF FATHEAD MINNOWS E�fluent Percent Survival Mean Percent Conc. (�) in replicate Survival chambers A B C D 24th 48th 7-day CV�� ' �� 80 � 60 � 90 � 80 � � 100. 0 � 100.0 � 77.5 � � 16.24 � I � 4$ � ; 50 i 80 i 90 � 100 � � 100. 0 i 97.5 i 80. 0 i i 27. 00 � ,, , . , ' � 8$ i ; 90 i 100 � 100 i 70 i i 100. 0 i 100. 0 i 90. 0 i i 15.71 i � � i i-_-i ' � � � i � � � � 15 0 � � 90 � 0 � 50 � 10 � � 100. 0 � 95. 0 � 37.5 � ; 109. 68 � � 30� � � 90 � 70 � 70 � 100 � � ' ' ' 1 � � � � � � � � 100. 0 � 100. 0 � 82.5 � � 18. 18 � � 60� � L 70 � 80 � 90 � 80 � i � ' � � � � �100. 0 � 97.5 � 80. 0 � �' 10,�* *coefficient of variation = standard deviation x 100/mean ,� � � . Dunnett's Procedure or Steel's Many-One Rank Test as appropriate: ' Is the meari survival at 7 days significantly less (p=0. 05) ; than the control survival for the % effluent corresponding to: � a. LOW FLOW ( 15� ) : ** YES ** NO ' b, 1/2 LOW FLOW ( 30% ) : ** YES ** NO . Enter percent effluent corresponding to each NOEL below and circle ' lowest number: a. NOEL survival: ** % effluent b. NOEL growth: ** % effluent �* For Technical Review: The P. promelas test is invalid due to unacceptable �.ortality in the receiving stream dilution water control. Performance control �^,et test acceptability criteria indicating possible pre-existing instream �oxicity. �w � �� repared by: ,�� Bio-Aquatic Testing , EXHIBIT�- ro �� ; � �a3e -�� of .�„_, TABLE 1 �"'"'" BIOMONITORING REPORTING FATHEAD MINNOL9 LARVAE GROWTH AND SURVIVAL (Pimephales promelas) .�8?"filtte�: City of Grapevine WWTP ;�iPDES No. : TX0032018 , TWC # 10486-002 Outfall No. : 002 Date Composite collected Time Composite collected FROM: 12/O1/91 TO: 12/02/91 FROM: 1000 TO: 0900 FROM: 12/03/91 TO: 12/04/91 FROM: 1000 TO: 0900 FROM: 12/05/91 TO: 12/06/91 FROM: 1000 TO: 0900 Test initiated: 0810 12/03/91 date Dilution water used: � Receiving water �X Reconstituted water DATA TABLE FOR GROWTH OF FATHEAD MINNOWS �� `� p Effluent Average Dry Weight in Mean Conc. (�) milligrams in Dry replicate chambers Weight A B C D mg CV�� 0� � � . 327 � . 374 � . 660 � . 593 � � .489 � 33 . 33 � � � � � � 4% � � . 367 � . 459 � . 386 � . 494 � � . 427 � 14 . 06 � � 8% � � . 439 � . 409 � . 418 � .440 � � .427 � 3 . 63 � � 15% � � . 524 � . 493 � . 354 � . 550 � � . 480 � 18 . 18 � � 30� � � .493 � .433 � . 380 � . 390 � � . 424 � 12 . 13 � i 60� i i .406 i . 407 i . 568 i . 423 i i .451 i 17 . 38 i < < < �coefficient of variation = standard deviation x 100/mean 1. Dunnett's Procedure: Is the Mean dry weight (growth) at 7 days effluent significantly different (p=0. 05) than the control's dry weight (growth) for the � effluent corresponding to: a. LOW FLOW ( 15� ) : YES X NO b. 1/2 LOW FLOW ( 30% ) : YES X NO � � Prepared by: � � Bio-Aquatic Testing ', TABLE 1 (CONT. ) BIOMONITORING REPORTING FATHEAD MINNOW LARVAE GROWTH AND SURVIVAL TEST �� (Pimephales promelas) � ., Permittee: CitY of Grapevine WWTP NPDES No. : TX0032018 , TWC # 10486-002 outfall No. : 002 DATA TABLE FOR SURVIVAL OF FATHEAD MINNOWS Effluent Percent Survival Mean Percent Conc. (�) in replicate Survival chambers A B C D 24th 48th 7-day CV�� i i i i i i i � i i ir-� ' � 0� � � 100 � 100 � 100 � 100 � � 100. 0 � 100. 0 � 100. 0 � �� 00 1 � � � � � � � � � � � � � � 4$ � � 100 � 90 � 90 � 100 � � 100. 0 � 100. 0 � 95.0 � ��_ 6_08� � � � � � � � � � � � � � � 8� � � 100 � 100 � 90 � 90 � � 100. 0 � 100. 0 � 95.0 i �� I i i i i � i � � i i i � ► � 15� � � 90 � 100 � 1� 00 �_ 9� � 100. 0 � 100. 0 � 95.0 � ��6. 08 � � � � � � � � � � � � � � � 30% � � 100 � 90 � 100 � 90 � � 100. 0 � 100. 0 � 95. 0 � �F 6_0�� 60$ ; ; 100 ; 100 ; 90 ; 100 ; ; 97. 5 ! 97. 5 ; 97.5 ; � 5. 13 .; *coefficient of variation = standard deviation x 100/mean '� � 2 . Dunnett's Procedure or Steel's Many-One Rank Test as appropriate: '� Is the mean survival at 7 days significantly different (p=0. 05) than the control survival for the � effluent corresponding to: a. LOW FLOW ( 15� ) : YES X NO �, b. 1/2 LOW FLOW ( 30� ) : YES X NO 3 . Enter percent effluent corresponding to each NOEL below and circle lowest number: a. NOEL survival: 60 % effluent b. NOEL growth: 60 % effluent 4 . If you answered NO to l.a. and 2 .a. , enter [P] ; otherwise enter [F] : P � . Enter response to item 4 on DMR Form, Parameter No. TEP6C. 5. If ou answered NO to 2 .b. enter P �"` y , [ ] ; otherwise enter [F] : P � 7. Enter response to item 6 on DMR Form, Parameter No. TFP6C. ^� �` ,Prepared by: � 1 , � Bio-Aquatic Testing ATTACHMENT "A" TABLE 1 ��I,I�..� TO '�� ,� Page .�.�L.. of �__ BIOMONITORING REFORTING +� CERIODAPHNIA SURVIVAL AND REPRODUCTION TEST �:-mittee: City of Grapevine WWTP �++" �S No. : TX0032018 , TWC No. 10486-002 v,�.iall No. : 002 Date Composite collected Time Composite collected FROM: 05/03/92 TO: 05/04/92 FROM: 0700 TO: 0600 FROM: 05/05/92 TO: 05/06/92 FROM: 1030 TO: 0930 rROM: 05/07/92 TO: 05J08/92 FROM: 1000 TO: 0900 '�ast initiated: 1140 05/05/92 date D:ilution water used: � Receiving water � Reconstituted water NUMBER OF YOUNG PRODUCED PER FEMALE 7 DAYS Percent effluent ($) �.� REP 0$ 4� 8� 15� 30� 60g � � A � 25 � � 20 � D-0 � 16 � 24 � 22 ; - � --, `� ; B � 24 � 25 � 28 � 28 � 27 � 24 � � , � C ; 3 � 25 � 21 ; 29 � 29 � 23 � � � � 24 � 32 � 24 � 27 � 32 � 24 � � D � � � � � � � � � � , � E � D-14 � 22 � 20 � 25 � 30 � 26 � � , � � F � 19 � 23 � 25 � 27 � 27 � 23 � � G � 25 � 25 � 28 � 25 � 27 � 24 � � H � 22 � 25 ; 31 ; 27 ; 25 ; 27 ; i � � I � 26 � 24 � 34 � 29 � 32 � 30 � l---r--� � � � � � � J ; 29 � 29 � 28 � 27 � 29 � 30 � I--, � �CV� � 34 . 68 � 13 . 60 � 17 . 06 � 14 . 50 � 9 . 57 � 11. 34 � � � � � � � � , � Surv. � � � , , , , � � � � � � � , � Mean � 21.9 � 25. 0 � 26. 6 � 26. 0 � 28 . 2 � 25. 3 � i i i i i i ; ; , Total , , , � � � � � Mean { 21. 1 ; 25. 0 ; 23 . 9 ; 26. 0 ; 28 . 2 ; 25. 3 ; � �coefficient of variation = standard deviation x 100/mean of young of surviving females �r ��r�pared by: /�� ``N'�- � Bio-Aquatic Testinc ', TABLE 1 (CONT. ) II BIOMONITORING REPORTING � CERIODAPHNIA SURVIVAL AND REPRODUCTION TEST . �� . P�r:�ittee: City of Grapevine WWTP J �. � N�D�,S No:�: • TX0032018, TWC No. 10486-002 Ot�tfall No. : 002 � PERCENT SURVIVAL Percent effluent (�) Time of Reading 0� 4� 8� 15� 30� 60$ • � 24th � 100 i 100 i 100 � 100 � 100 i 100 i . . � � 48th i 100 � 100 � 100 � 100 � 100 � 100 i . ' '� � 7-day i 90 � 100 � 90 � 100 i 100 � 100 i .� � 1. �,, Dunnett�s Procedure or Steel's Many-One Rank Test as appropriate: Is the mean number of young produced per female significantly different (p=0. 05) than the control's number of young per female at .the low flow or critical dilution? '""�'* :;�, � LOW FLOW ( 15$ ) : YES X NO ,�...� If you answered NO enter a 0 on the DMR Form, Parameter No. TEP38. Otherwise, enter a 1. ',2 • Fisher's Exact Test - Low Flow Lethality ' Is the mean survival at 7 days significantly different (p=0. 05) I than the control survival at the low flow or critical dilution? I LOW FLOW ( 15� ) : YES X NO If you answered NO enter a 0 on the DMR Form, Parameter No. TLP3B. Otherwise, enter a l. ,�s .�..r Pr�pared by: . /�� Bio-A quatic Testir. ��(�i�IT' � TABLE 1 (CONT. ) �� T�J� y�,�� . of -�___�_,� BIOMONITORING REPORTING ' CERIODAPHNIA SURVIVAL AND REPRODUCTION TEST �.* 'ermittee: City of Grapevine tti1WTP �rM!' ":E5 h•o: : � TX0032018 , TWC No. 10486-002 I � _:�_fa11 No. : 002 ' � 3 . Fisher's Exact Test - Half Low Flow Lethality �• Is the mean survival at 7 days significantly different (p=0. 05) than the control survival at the half low flow or 2 times the . critical dilution? . HALF LOW FLOW ( 30� ) : YES X NO . If you answered NO enter a 0 on the DMR Form, Parameter No. TFP3B. ' Otherwise, enter a 1. . �.... . '. . �;>; , ' Enter percent effluent corresponding to each NOEL below and circle '� lowest number: a. NOEL survival = 60 � effluent ' b: NOEL reproduction = 60 g effluent � �,.r Prepared by: . / ' ' � Bio-Aquatic Testin ' B10-AQUATIC TESTING, INC. , • • �* , TOXICOLOGY FOR GOVERNMENT, MUNlCIPAL,AIVD WDUSTRIAL SECTORS I . ,F,,.,�, July 14, 1992 Ms. Peggy Defoer City of Grapevine Post Office Box 729 Grapevine, Texas 76051 Dear Ms. Defoer: , Piease find enclosed corrected EPA Data Table sheets for your May 5, 1992 chronic I Ceriodaphnia dubia and fathead minnow biomonitoring report on the City's wastewater treatment plant. �! We apologize for any inconvenience this may have caused you and the City. If we can be of any further assistance in this matter, please do not hesitate to call. �� Sincerely yours, �;� � BIO-AQUATIC TESTING, INC. �.w �� J. Philip Cook I� Aquatic Toxicologist � JPC:tIh I enclosure �� ,�� DALLAS DIVISION • 1555 Valwood Parkway,Sto. 100 • Carrollton,Toxas 75006 • Tol:(214)247-5928 • FFvc:(214)241-4474 HOUSTON OFFICE • E3300 West Park • Houston,Texas 77063 • Tel:(713)952-0417 • Fax:(713)974-5491 ,I �x��a�r....� ,-o �� -:�� TI�IIL� 1 (CONT. ) page �f � BIOMONITORING REPORTING • � CERIODAPHNIA SURVIVAL AND REPRODUCTION TEST ��r-,ittee: _City of Grapevit�e WWTP "?-��5 No. : TX0032o18 , TWc No. 10486-002 C'�:r_iall No. : 002 P�RCENT SURVIVAL � Percent effluent (�) Time of Reading 0� 4� 8$ 15� 30� 60% • � 24th � 100 � 100 i 100 � 100 i 100 � 100 i � � � � , � � i 48th i 100 � 100 i 1Q0 i 100 i 100 � 100 i � � � � 7-day i 90 � 100 � 90 � 100 � 100 i 100 �� L_ , , 1 . Dunnett's Procedure or Steel's Many-One Rank Test as appropriate: Is the mean number of young produced per female significantly different (p=0. 05) than the control's number of young per female for the % effluent corresponding to: �.:� .. a. LOW FLOW ( 15� ) : YES X NO b. 1/2 LOW FLOW ( 305 ) : YES X NO � 2 , Fisher's Exact Test: Is the mean survival at 7 days significantly different (p=0. 05) than the control survival for the � effluent corresponding to: a. LOW FLOW ( 15� ) : YES X NO b. 1/2 LOW FLOW ( 30$ ) : YES X NO ' 3 . �,nt�r percent effluent corresponding to each NOEL below and circle icwest number: a. NOEL survival = 60 � effluent b. NOEL reproduction = 60 � effluent 4 . If you answered NO to l.a. and 2.a. , enter [PJ ; otherwise enter [F] : P � . �nter response to item 4 on DMR Form, Parameter No. TEP3B. 6 �� you answered NO to 2 .b. , enter [P] ; otherwise anter [FJ : P � % Enter response to item 6 on DMR Form, Parameter No. TFP3B. .�epared by: �^ bv-�Z Bio-Aquatic Testin� ! 1 i TABLE 1 BIOMONITORING REPORTING P'ATIi�AD MINNOW LARVAE GROWTF� AND SURVIVAL „�,,�, (Pimephales promelas) � ��rmittee: City of Grapevine WWTP � �w ;:FDES No. : _TX0032018 , TWC No. 10486-002 OutLall No. : 002 Date Composite collected Time Composite collected FROM: __05/03/92 TO: 05/0�/92 FI20M: 0700 • TO: 0600 FROM: 05/05/92 TO: __ 05/06/92 FROM: 1030 TO: 0930 FROM: _05/07/92 TO: 05/08/92 FROM: 1000 TO: 0 7'e�t initiated: 1140 05/05/92 date Ui'lution water used: � Receiving water � Reconstituted wa.ter i DATA TABLE FOR GROWTH OF FATHEAD MINNOWS Effluent . Average Dry Weight in Mean Conc. (�) milligrams in Dry replicate chambers Weight �� , `�' B � � mg CV�� `� � 0� ' � . 360 � . 531 � . 401 � . 476 � i � ' � � � � � .442 ; 17.27 � � i 4� � � .508 � . 452 � .455 � .597 � � .503 � 13 .47 � � � � � � 8� ; ' . 504 � .480 � . 510 � .496 i � .498 � 2 . 61 � � , � � , ; 15_ �_; � . 516 � .530 � .458 � .483 � � . 497 � 6. 54 � I, ; 30� � � . 497 � . 417 � . 295 � . 544 � ; �----, , � .438 � 24 .86 � ', ! 60� � � . 510 � . 409 � .455 � . 416 � � � � ` . 448 � 10. 35 � i � �coefficient of variation = standard deviation x 100/mean 1 . Dunnett's Procedure: differentan dry weight (growth) at 7 days effluent significantly (p=0. 05) than the control's dry weight (growth) for the � effluent corresponding to: . -A a. LOW FLOW ( 15� ) : b• 1/2 LOW FLOW ( 30� ) : YES X NO *�'R l7 �'�'�.� Prepared by; /� � �o�� Bio-Aquatic Testin �' �.:. EXMIBIT�. TO '� r�—�� TABLE � Page � �—� .--- -��.. BIOMONITORING REPORTING � FATHEAD MINNOW LARVAE GROWTH AND SURVIVAL (Pimephales promelas) �e�mittee: _ City of Grapevine i�n+ITP ' P7PD�S h'o. : TX0032018 , TWC No. 10406-002 " ou�fall No. : 002 � Date Composite collected Time Composite collected� FROM: OS/03/92 TO: _ 05J04/92 FROM: 0700 TO: 0600 FROM: 05/05/92 TO: _ 05/06/92 FROM: 1030 TO: 0930 FROM: 05/07/92 TO: OS/08/92 FROM: 1000 TO: 0900 . Tesu initiated: 1140 05/05/92 date . • � � Dilution water used: � Receiving water � Reconstituted� water.. . � . . DATA TABLE FOR GROWTH OF FATHEAD MINNOWS Effluent Average Dry Weight in Mean Conc. (g) milligrams in Dry � '� replicate chambers Weight • . A B C D mg CV$� � ' � . 531 � .401 ► .476 � � .442 � , �g � � .360 � � � � 17.27 � � . � ' 4� � � .508 � .452 � .455 � .597 � � .503 � 13.47 ; � ; 8g� � � .504 � .480 � . 510 � .496 � i ,498 i ' , � , 2. 61 ! ; 15g ! � . 516 � .530 + .458 � .483 � i . � ' r , .497 ! 6.54 � ; 3 0$ � � .4 9 7 � . 417 � . 2 9 5 � .5 4 4 � i----�--' � .438 ; 24.86 � ! b0$ i i .510 i .409 i . 455 i . 416 i L .448 � 10.35 i � �coefficient of variation = standard deviation x 1o0/mean 5 . Dunnett's Procedure or Steel's Many-One Rank Test as appropriate: Is the mean dry weight (growth) at 7 days effluent significantly � different (p=0. 05) than the control's dry weight (growth) at the low flow or critical dilution? � LOW FLOW ( 15�5 ) : YES X NO Tf you answered NO enter a 0 on the DMR I'orm, Parameter No. TEP6C. �°"' Otherwise, enter a l. � r . � Prepared by: Bio-Aquatic Testir, I TABLE 1 (CONT. ) I, BIOMONITORING REPORTING • . FATHEAD MINNOW LARVA� GROWTH AND SURVIVAL TEST (Pimephales promelas) ��* P�r�ittee: _City of Grapevine WWTP h'�B�S No. : _TX0032018 , TWC No. 10486-002 �� Gut�all No. : 002 • DATA TABLE FOR SURVIVAL OF FATHEAD MINNOWS Effluent Percent Survival Mean Percent Conc. (�) in replicate Survival chambers �, A B C D 24th 48th 7-daV ' ' �� CVg� � � �� 100 � 90 i 100 � 90 � � 95. 0 � 95. 0 � 95. 0 ` .�� 4$ 1 � 9� � 80 i 80 i 90 i i 95. 0 i 92.5 i 85.0 � � � i,.6.79 i � , , � � 8� ; � 100 i 80 i 100 i 80 i i � -----� 9 5. 0 i 9 5. 0 i �' 9 0.0 j �l�2 ,$3 � � 15$ � 90 � 100 � 60 � 100 � ; 97.5 i 97,5 = g7,5 ( 21. 63 � ; 30$ t = 90 � 100 � 70 � 90 � i 97.5 i 95.0 � 87 5 � 14.38 ' � ; 60$ } � 100 i 90 � 90 i 100 i i—'—�—� � i � �00.0 i 100. 0 i 95 0 j � 6• O8 ; *c�efficient of variation = standard deviation x 100/mean -'�`'� � " . «�;� 6. Dunnett's Procedure or Steel�s Many-One Rank Test as appropriate - Low r^low Lethality Is the mean survival at 7 days significantly different (p=0.05) than the control survival at the low flow or critical dilution? � LOW FLOW ( 15$ ) : YES X NO If you answered NO enter a 0 on the DMR Form, Parameter No. TLP6C. otherwise, enter a 1. �� . / " � ` r�rv a Prepared by: '„ L Bio-Aquatic Testir, TABLE 1 (CONT. ) EXHIBIT.�..L TO �e-�-'`��"�~''j , Page —.;'�;2- of � BIOMONITORING REPORTING _ _ FATHEAD MINNOW LARVAE GROWTH AND SURVIVAL� TEST ��,�+. (Pimephales promelas) e�-^ittee: _City of Grapevine WWTP �rr+FL.�S No. : • TX0032018 , TWC No. 10436-002 , Ot;�fd11 NO. : 002 � � 7 . D�annett's Procedure or Steel's Many-One Rank Test as appropriate - Half Low Flow Lethality Is the mean survival at 7 days significantly different (p=0. 05) �han the control survival at half the low flow or 2 times the: critical dilution? HALF LOW FLOW ( 15% ) : YES X NO If you answered NO enter a 0 on the DMR Form, Parameter No. TFP6C. Otherwise, enter a 1. . �� . � � Enter percent effluent corresponding to each NOEL below and circle '�+ Iowest number: a. NOEL survival: 60 � effluent b: NOEL growth: 60 � effluent � Prepared by: � � � �oo-�- Bio-Aquatic Testir. ,rn�� -.. n Z �„ r .-a .-a �- �o �� o �= e� y. �c�, � c, > r c. �-� c� •-i I n In � � �° I' �:: .,, '•,, ; � ; .= w n x •-� > a w�i 3 Io i � �,; 3 � c3rn z�o �� ( �� 3A "' y > - � ��j T � '� I I I �- I� k,�Z � Z ��; � ^� o ,� O� . � + � .< � s- �. �, ,�> � � 7 }�ti . � . . w D .. I I I I�: (.. � �A► i.. 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' .' c CS ;; ° � > � H � H q H ;p '� '7 R7 � -o- m ^L'~ V'^f �~ V'^• 11 Vi vr^• � l VJ Z QN ,_, F"+ _ _ �� V! �+ V! �� n ' V, V/ � m ' Z �� O F� O �Q 11 Q O �� 0 � � �J � m _ u � A � ' � b� �c O o * � ��1' , , y g * ,o • � .s: (/� ' (!! �11. ' (n � ' VI (/� a:; � � a $ '� a � p �: � � � � � �. � � �� o o ; r;:: i � , ;� ::: i � ; , � : � � : � � ;�Z „ .�:,�r � : €t . I t. � " ,� n S 3 � � m ` o ' o � � � � S qa . o � �; . � � > � �- ..�_ �-- ; � � '; � ;;' � a a; _ 3. w 'z' � � < � �' -'N-� .� �'� ��: ^; r� r.: t�? ' �v n1 v � m r � .t� . n .� .� �.A ': .� v m L�XH181�'TT,��.;TO T „B„ �� NDR� LABORA�'ORIES;911'�: of "-�'- ��, � �1 A member ot Inchcape Environmental �,�:,, .« � .— '''�, �� 1089 East Coilins Blvd., Richardson,Texas 75081 • (214)238-5591 • FAX (214) 238-5592 �_ 4 ��i� ,,�,. BEAUMONT DALLAS HOUSTON DATE RECEIVED : 19-APR-1993 REPORT NUMBER : D93-4508-1 REPORT DATE : 28-APR-1993 SAMPLE SUBMITTED BY : City of Grapevine ADDRESS : P.O. Box 95104 : Grapevine, Texas 76051 ATTENTION : Ms . Peggy Defoer SAMPLE MATRIX : Solid ID MARKS : Sludge Cake DATE SAMPLED : 19 -APR-1993 TCLP METALS TEST REdUESTED DETECTION LIMIT RESULTS Silver 0.01 mg/L < 0.01 mg/L Dilution Factor : 1 Prepared using EPA 1311/3015 on 21-APR-1993 by TAP Analyzed using EPA 6010 on 27-APR-1993 by KJS Arsenic 0.05 mg/L < 0.05 mg/L T 1� « � �-� Dilution Pactor : 1 ' Prepared using EPA 1311/3015 on 21-APR-1993 by TAP Analyzed using EPA 6010 on 26-APR-1993 by KJS Bariun 0.1 mg/L 1.3 mg/L Dilution factor : 1 Prepared using EPA 1311/3015 on 21-APR-1993 by TAP Anatyzed using EPA 6010 on 24-APR-1993 by KJS Cadmium 0.01 mg/L < 0.01 mg/6 � Dilution Factor : 1 Prepared using EPA 1311/3015 on 21-APR-1993 by TAP Analyzed using EPA 6010 on 24-APR-1993 by KJS Chromium 0.05 mg/L < 0.05 mg/l Dilution Factor : 1 Prepared using EPA 1311/3015 on 21-APR-1993 by TAP Analyzed using EPA 5010 on 24-APR-1993 by KJS Mercury 0.001 mg/L < 0.001 mg/L Dilutio� Factor : 1 � � I Prepared using EPA 1311/7470 on 21-APR-1993 by 7AP Analyzed using EPA 7470 on 23-APR-1993 by AH �.,.,� ii. �: �;� � �� NDRC LABORATORIES, INC. A member of Inchcape Environmental �� ':'',, !�� 1089 East Collins Blvd.,Richardson,Texas 75081 • (214)238-5591 • FAX (214)238-5592 � ``,'�� BEAUMONT DALLAS HOUSTON � REPORT NUMBER : D93-4508-1 PAGE 2 TCLP METALS TEST REOUESTED DETECTION LIMIT RESULTS Lead 0.02 mg/L < 0.02 mg/l Dilution Factor : 1 Prepared using EPA 1311/3015 on 21-APR-1993 by TAP Analyzed using EPA 6010 on 24-APR-1993 by KJS Seleniun 0.05 mg/L < 0.05 mg/L Dilution Factor : 1 Prepared using EPA 1311/3015 on 21-APR-1993 by TAP Anatyzed using EPA 6010 on 26-APR-1993 by KJS "�`'"";:;,,� d. � �� t�:, ��zi�.✓ '� NDRC Laboratories, Inc. �� Davi R. Go win, P .D. Chief Executive Officer �� EXH18�r..� ro �--> l�-�� ■�� NDRC LABORAT4RIE� �NC�f �" �• � A member ol Inchcape Environmental ' � : ,= s •- �" �� 1089 East Collins Blvd., Richardson,Texas 75081 • (214)238-5591 • FAX (214) 238-5592 ��. � �� ,v�P� SEAlJMOWT DALL.AS IiOUSTON DATE RECEIVED : 19-APR-1993 REPORT NUMBER : D93-4508-1 REPORT DATE : 28-APR- 1993 SAMPLE SUBMITTED BY : City of Grapevine ADDRESS : P.O. Box 95104 : Grapevine, Texas 76051 ATTENTION : Ms . Peggy Defoer SAMPLE MATRIX : Solid ID MARKS : Sludge Cake DATE SAMPLED : 19-APR-1993 TOTAL METALS TEST RE�UESTED DETECTION IIMIT RESULTS Silver 1.0 mg/K9 < 1.0 mg/Kg Ditution Factor : 1 Prepared using EPA 3051 on 21-APR-1993 by CCM Analyzed using EPA 6010 on 21-APR-1993 by KJS �-�, {� Arsenic 0.1 mg/K9 0.5 mg/Kg ,�, Dilution Pactor : 1 � Prepared usi�g EPA 3051 on 21-APR-1993 by CCM Analyzed using EPA 7062 on 26-APR-1993 by AH Bariun 1.0 mg/K9 57.3 mg/Kg Dilution Factor : 1 Prepa�ed using EPA 3051 on 21-APR-1993 by CCM Analy2ed using EPA 6010 on 22-APR-1993 by KJS Cadmi�an 1-0 mg/K9 < 1.0 mg/Kg Dilution Factor : 1 Prepared using EPA 3051 on 21-APR-1993 by CCM Analyzed using EPA 6010 on 22-APR-1993 by KJS Chromiun 1.0 mg/Kg 4.0 mg/Kg Ditution Factor : 1 Prepared using EPA 3051 on 21-APR-1993 by CCM Anatyzed using EPA 6010 on 22-APR-1993 by KJS Mercury 0.01 mg/Kg 0.24 mg/Kg Ditution Factor : 1 Prepared using EPA 3051 on 21-APR-1993 by CCM Analyzed using EPA 7471 on 22-APR-1993 by AH �Yirrr I/i � �;� ■ �� NDRC LABC�RATORIES, INC. A member o(Inchcape Environme�tel �.:�,� �,��, �� 1089 East Collins Blvd., Richardson,Texas 75081 • (214) 238-5591 • FAX (214) 238-5592 ,�`�� BEAUI4AONT DALLAS HOUSTON �.,, � I REPORT NUMBER : D93-4508-1 PAGE 2 ', TOTAL METALS �, TEST REGUESTED DETECT[ON LIMIT RESULTS �II Lead 1.0 m9/Kg 8.0 mg/Kg I� Oilution Factor : 1 ' Prepared using EPA 3051 on 21-APR-1993 by CCM Analyzed using EPA 6010 on 22-APR-1993 by KJS Seleniun 0.1 mg/Kg 0.5 mg/Kg , Dilution Factor : 1 ' Prepared using EPA 3015 on 21-APR-1993 by CCM ��I Anatyzed using EPA 7740 on 23-APR-1993 by RKD I �'� �I � > ', �� A�'AI� I', NDRC Laboratories In �G��7�4-�✓wt� �� , c. I Davi R. Go win, P .D. II Chief Executive Officer / EXHIB�r� ro � y-�-�� i � pa9e of �_ ;� � � NDRC LABORATORIES, NC. � � A member ot Inchcape Environmental � �� 1089 East Collins Blvd., Richardson,Texas 75081 • (214)238-5591 • FAX(214) 23$-5592 �'��' �� '��`� BEAUF80�JT DALLAS }iOUSTOt1 � DATE RECEIVED : 19-APR-1993 REPORT NIJMBER : D93-4508-1 REPORT DATE : 28-APR-1993 SAMPLE SUBMITTED BY : City of Grapevine ADDRESS : P.O. Box 95104 : Grapevine, Texas 76051 ATTENTION : Ms . Peggy Defoer SAMPLE MATRIX : Solid ID MARKS : Sludge Cake DATE SAMPLED : 19-APR-1993 MISCELLANEOUS ANALYSES . . TEST REQUESTED DETECTION LIMIT RESULTS Total Solids 0.01 Y. 14.5 �G Analyzed using EPA 160.3 on 23-APR-1993 by KOB � 'F�, � � � NDRC Laboratories Inc. � ��!/� ��✓wt/ , � Davi R. Go win, P .D. Chief Executive Officer � � ^ � d -p D `, ro cu c� e D x s — � � � .4. � a Z �� y' a � o Tp� � � � Z � m � a X <D n � N �'� � � � � � 3 ' � � � � � m �d .. m � 'v"� in V� �• t-- C C � ;n o3oc� =' � U. 3 � fiY =�I' �� C I Z � p Cn _'!, 'y ^" �i � � ..�. Q o�� N � Q o � a -G a O � � o � ' m 'o � � n °' �' \( � �' � cD -.� `D � � a m . - - �n O r -.� � --1 � � � c� � co � n � D c \' � •� 0 Q � � ` a � � � � � S1 � � � �t X fD .�,. cn (9 D �n 7 . .. .. .. . . � � � P � � � Z a fD � m • a �a �c � � � � � \J �o ao = C� y y � V� � c� c .' � � O � fD � � a � o � � > O � a = �o 0 �� -�i 0 N °' �� 3�5 m � �t r '"' v � � � y w � � � a � � �� c> a • � o � � L � �{� � 't t _ � �?m � ��i y r � � �a O 7 �' � c�D m:� � m X'y, m J N �� o � �. y C � _ � g 1° ` � � m - � � z � � � o' p� A a � 8 9 � � ? � � � 7 ^ � O � � x � J < O � ,C (D n � � .�_ � C m cD Q -+W�'1R � O � T1 � �o r� , � � m D W n� m n: m �', pp � � oC1 m o � 3, � .� � � m $ cD ❑ � � ��ar �+ a � � � o� N � CO � �:� �XHIBIT�. TO �=,"�% � ��. - NDR LAB�RATORIES INC. �° 25�.14 . C , '� Dallas-1089 East Collins Bivd. • Richardson,Texas 75081 • (214) 238-5591 • Fax (214) 238-5592 ""�'' ) SAMPLE PRESERVATION INFORMATION SHEET � , Fieid Sampling ❑ Incoming Samples� GENcr;AL ' Company: C�� c-� C �u JF�„•.C. Job No: ��`-��f No. of Cooler(s): ��%� Temperature of Cooler(s): =��`� � ` � PRES�RVATION INFORMATION li Sampie Temperature Sample Preservation 8ottles (+ No. of Sample Container Volume used • �nitial pH Final pH 9enerated �Coinments � � � _� � �,4� �•� ,`,'; I ;� �; q i� i 1? # ' 1 . \ � ?��VATION USED ' � 1 -Cool to 4° C 5-NaOH to pH> 12 2-H2SO4 to pH <2 6-Na2S202.0.008°r6 3-HNO3 to pH <2 7-2 mL Zinc Acetate and NaOH to pH > 12 � 4-HCL to pH <2 8-None required � , � �� I �� {I. - � Preserved by Date/Time ATTACHMENT "C" trrn,rru�ti nrn,�r•.►tvir.r:� s �s.z� �•""'" ' nrt.ir.le mny ho Pni�i hy in�fnl}ti�erit.A �r In lurtih 4um. If the nwner . . . �ler:t.a tn rny hy inatnilment., thr, princiral �nd inEerect shnll he ,�,,;� rnid in fnurt.nAn (14)��)»n) mnnthly inqtnllrtients nn�i t.he hnit�n�r. peid on the finnl Rnd fi(teenth pnyment. (b) Nntur�l rerqons ghAll not include a corpnrntion, firm, herl� nerahip or a�5�cintion ��person9. (c) intPreAt �r�virl�r� in auhar,etion (n) herenf ehall hp nt onP and one-hnif(11S)percerit. per m�ni.l� pn the t�npnid balance. (d) Fnyment shail hc rnnde w;thin ten (10)days nRer receipt nf billin�. (n) Fnihn� tn rnnkn f.imcly pny�nntit on f.hP ingf.nllmnnt. nccrrunt, nnd/or fnil��r�+ f.� timely hny wnter nnd/or q��vrr hill� Fl�nll n�ith� ri�e the city tc� irnmedi�tely diqcontin�te servicn. (� The of'ticA ef city nttorney ahnll pr�pare � etnnderd ('ern� centrAct for pil in4tnliment nccounts wh:eh mu�t be expcuted hy 'I the owner of the property to hP 4erved nn�l filed and recorded with '�, the afFice of the count.y clerk in �he county in which the property is eit��Atr.d. (Or��. No. 7A-31. 6 l(7-��7.3). 11-16•7t3; Urd. No. 85•14, 4 2, 3�1q-8F1 S�c. 2b•27. Wnatewater rntea. 'There is hereby levied and �hall be collected monthly from ''""'�" every customer ot the aewege ayntem of the city, a service chnr�e � for the i�se otsuch sewn�e wnstewater system, which charge shall ��; be �i�tPrmined es follows: � (1) Ge.neral water consranption (ci1.y wofer systen:): n. R�SiriFnf.inl r+ervice: � 1. t�ir�t 2,OOQ gn��na . . . . . . . . . . . . . . . . �5.1� 2. Nnxf l 3,f100 �nl��nq, per ],f1n0 �nl- ' I long . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.9� � h. f'.nmmercinl Rervice� l. P'irst 2,QOO gAI�(1TIA . . . . . . . . . . . . . . . . 7.Gn 2. Ali over 2,OQ0 �nllons, per 1,000 gnl- lons . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.95 9vr�. No. fi2 1710.3 �� r ��I�It'�. TQ.. ��..:.�:�. � �;,;�.,,? ��c�r�xT af �� . • n �� UtJITFD STATES ENVIRONMENTAL PROTECTION AGENCY ,r � �iFG10N 6 � �� "�''� i4�5[�OSS/1VENUE.SU�TE t?00 nnl.I.AC,TFX/�S 75209-�7:1'1 � �r.T � � ��,.,� ('t?R'('1T'1F?1) �1n1(,: Rfs'1'tJRN Rr('F,TP't'.RT'sQi1FS'T'T�T� (F' :i2� 41:� 140) " � ('I�1'I � 1 (1� (;�ti' I' I' i�tr. Ti�rk C. �V�Isc�n C;ity �1an�Rer �:i(y �f f.;r�pcvine T'.�). Ro� 729 (;ra��ine, '!'��as 7(�51 G/� 7 �%' ,•� �t�•L Re: i'ermit M��. '1'XOO:i201 R, (:ily �f Gr��evine �)r:if n'If. W;11.Ct�i1: "i�he ac�c�itir�n:,l inf��rmalic�n cin the industrial user survey required by your NPDES permit wa� rcceived �n ScT�fember 19, 1991. All the information was reviewed and found adeqaate. �� ;r ns �tated in yrnir PeTrnif, ti�c� ;,��ncy ��n make a determination ta cancel the requirement for ;,�, �retreatment pr�gram cievelc�pment based on information reeeiveci. The deeision has been rnacie to terrniriate t}�e pr�gram reqi�irement, however, tlie State may impose additional reqnirements. 7'i�is letter is tf�e �ffici�l notification of pretreatment program development termination by tl�is ngericy. �11�� ciiy shnnicl c�niinne tc� mnnit�� ihe industrial activiiies in its service are� and advise �r�,licahle nsFrs c�f the ha�.ard�us waste regulations. If any inclustry subject to categotical st�n�i�rci� ir�r�tes in the PO'l'W service area, a report referencing the NPDES permit number shonld be senl ln ihe F.nvirc�nrnental Protection /�gency . Tf y�n havc any questi�ns, �lease contact I.ee Rohme of my staff at the above addtess or teler}ione (21�t) fi55-7175. Sincerely, ot�ictt�� s��riFn �Y Rnhert T_. Vickery ''"� ncting Chiet 'T'nxics f'�,nirnl �ecti�n (6W-P'I') . . . �r II� I i i , � . ..4':- . 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BROADWAY• FORT WORTH, TEXAS OUT ,�,,,� C_ , �� i� 1 �Y / � ,�' ✓i1 i�1 � ' . _, IN �or y / � Date �:�-' `� S '.. �f � OUT . iAddress Phone !� '' �' v �� 7 �N SHOP WORK ORDE ��j��Cj � �N '.� � ' � OUT ,_ -- }% i 1 , I _ �� !� � �; i i - � i ; # ;;, � .� {. , , r. � , � IN .. .,-� 1-'� � r..} .� t r'�' �� i Y'� �.. � _ i OUT I j 1 E7 �: j? - I N a -- � �O.- O.11T IN ' . OUT IN ` OUT 8�a13H 1V101 IN MATERIAL ouT ;'""'* � .11130 1V101 9NIQIi3M 1d101 Steel(Cold Roll) IN � ' OUT �� 8�8b1 11►101 IN NI S�NI (Miid) OUT - lno in ' NI OUT ' � 1(10 Stainless Steel IN NI OUT 1(10 IN N� BabbitF OUT ' 1(10 Brazs Bushing IN N� C. R. 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