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Home My WebLink AboutAGENDA BACKUP 03-07-85 <c(sD Central Contra Costa Sanitary District BOARD OF DIRECTORS NO. IV. BIDS & AWARDS 1 3 7 85 POSITION PAPER VIA: ROGER J. DOLAN General Manager-Chief Engineer DATE SUBJECT February 11, 1985 TYPE OF ACTION FOR lHE INSTALLATION OF THE COMPUTER ROOM HV AC SYSTEM AND AUTHORIZE $52,000 FROM SEWER CONSTRUCTION FUNDS ~ ARD CONTRACT AUTHORIZE FUNDS SUBMITTED BY Dave Rei ndl INITIATING,cEPJ./DIV.i ~nglneer ng Division ISSUE: Bids were received and opened on February 11, 1985, and the Board may award a contract or reject all bids within 60 days. Board authorization is required prior to any expenditure of Sewer Construction Funds. BACKGROUND: Duri ng the Stage 5A constructi on, it became evident that the ai r conditioning system for the plant computers was inadequate. An existing unit that was originally installed in 1957 was relocated to provide supplemental cool ing. Neither system provides adequate capacity, filtration, or temperature control and as a result the plant is experiencing unnecessary computer down time as well as elevated maintenance costs. Under the proposed project, a proper computer room HVAC unit would be installed. The new process HVAC unit was purchased by the District using a competitive bid in August 1984 and equipment was delivered in January 1985. The plans and specifications to install the HVAC unit were advertised on January 15, 1985 and January 22, 1985. Five bids were received and opened on February 11, 1985. The bids are summarized on Attachment 1. The low bi d, at $37,804, was $14,700 greater than the Engi neer' s Estimate. The differences between the Engineer's Estimate and the low bid have been reconciled and the Engineer's Estimate did not adequately address the labor required for demolition and rework within an operating control room/computer room environment. The price proposed by the low bidder is reasonable for the work. This is supported by the 3% spread between the three low bidders. The lowest responsible bidder is Cal-Neva Environmental Systems. The bid is responsive to the bid request documents. Based on checking references, this contractor has the experience to successfully complete the project. A post bid/preconstruction cost estimate is included as Attachment 2. The cost for construction administration reflects the inefficiencies associated with small projects as well as the high level of effort required for work around an operati ng computer. An authorization of $52,000 is requi red to compl ete the proj ect. RECOMMENDATION: Award the contract for installation of the computer room HVAC to Cal-Neva Environmental Systems and authorize $52,000 from Sewer Construction Funds. Attachments REVIEWED AND RECOMMENDED FOR BOARD ACTION RAB DR V.(... JL fi~ ATTAOiMENT 1 COMPUTER ROOM HV AC INSTALLATION PROJ ECT NO. 20017 l. Cal-Neva Environmental Systems $37.804.00 2. Vann Engineering 37.975.00 3. Alhambra Electric 38.808.00 4. Linford Air & Refrigeration 57.700.00 5. Ai re Sheet Metal 62.643.00 ENGINEER's ESTIMATE 23.100.00 ATTAOiMENT 2 .., POST BID/PRE-AWARD COST ESTIMATE Construction Contract $37,804.00 Contingency (15%) 5,700.00 Equipment Purchase 13,506.00 Construction Subtotal $57,010.00 Design and Project Management 5,546.00 (Expended To Date) Estimated Construction 12,700.00 Administration Estimated Total Project Cost $75,256.00 Less Previous Authorizations - 23,262.00 TOTAL $51,994.00 AUTHORIZATION REQUIRED $52,000.00 Contra Costa San BOARD OF DIRECTORS District NO.V. CONSENT CALENDAR VIA: ROGER J. DOLAN General Manager-Chief Engineer SUBJECT APPROVE CEN E GREEMENT TH . UNDERGROUND ELECTRICAL TRANSMISSION LINE CROSSING DISTRICT PROPERTY IN MORAGA - JOB 1615 DATE TYPE OF ACTION APPROVE LI CENSE AGREEMENT SUBMITTED BY - DENNIS HALL INITIATING DEPT./DIV. CONSTRUCTION AND SERVICES ISSUE: P.G.& E. has requested permission to cross District property in Moraga with an underground electric transmission line. BACKGROUND: The requested crossing is over the old Sacramento Northern Railroad property which the District acquired in 1959. One of the conditions of the deed to the District reserved the right of the Grantors to install utilities across and along the property deeded to the District. This reservation appears to relate to potential subdivision maps that might be filed by the grantors of the property, who were Utah Construction Company and Preston Management Compnay. Since this request by P.G.& E. is not being made in conjuction with a subdivision map, the request for usage apparently does not apply to the deed reservation. Hence, a separate agreement is needed for this crossing. Staff has determined that the underground electrical crossing will not interfere with District facilities. In the interest of cooperation, staff has prepared a revocable license which protects the District while allowing P.G.& E. to proceed with its construction. RECOMMENDATIONS: Approve the ljc~nse agreement with PG & E fer an underground electrical transmission line crossing District property in Moraga and adopt a resolution authorizing the President of the Board to execute said agreement. REVIEWED AND RECOMMENDED FOR BOARD ACTION J'14 DH If /'IJ ~ INITIATING DEPT./DIV. RAB -----------,-. -.-----....--..-.- .. ......-..-.-.-----.-..--...... ......--..-..-------.- .... ~. Q" ~J5" ~ 40 I~+ I . " 7 ;:;111 41 7.... 2 ~ F!6....E.. CROSSING .30' "3' L~~ .i4.L""" Z' ~4 ~ iI.-!''''''''''- ~ f. fIt,~ ; V ,. .. ~.: "'. ~ ", · ~ ~ !;\l9 .' '!.t.:' '" ~ ~~ 1ST. " ,,' ~ /~It.t 17 tI ~ ~..... ,\ ...... 00 ~11 ... 0 ~. ,6 ~a.. - k- 92 l\ ~O I ;/ I ~~.. \ ".. '"';02~, 10 I i~~ ,f .~ ~ .. .. ~V ,01 10J ~101 -; ~I: J ~ ~ r~. of: 5 it _I. ~ ~ 100 1 ... ~ ~I--- " ' ., . ''I. "'... ~ -: . 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VI -; to"1-!/~..,~ Ie "\.\'.:'~... ~ ~-' II I ~1l1 7 .~ \ II 12 .....'t!~ ,V '" S1L~IA....~T ~ ~"lt .. WJ... I ,,~ r8qp~~~'5 S ~7' ~ Approve License Agreement ,tt t- 24 ," .. 6 ~jll.ri for P.G.&E. Crossing \ '- ~ 'i;:!. kiN TO t ~t>. ' 7 I Ilo.. ""::-J No 10.... ... 'L'"i 5Ya,;", --...., - ../5 I rT 2 S :==t s~. OE.J JJi-J, tgf. of.C'~ 4 ~~ IIlU _ 418 Ujti :::J, 5~~ ~ rvJ ~~. I-~~~I~~ -- :30131111\;I~_"_~':L ___ __~4/< ~ 1 ~ ~~... - (~".~II."/ ~ \0- ~ ~ ~o ,I 10 81 G> 50 1'.41"C" .I~ \(>., rC- t' ...~ ~ :7. ~ S5~ 1 :11! " ~~ ,. 1 ~ 6, 5& ~ 5 01\ C{II'~ 7 45" , 11- 50 35 c:> 27 7 25 ~ . 10 AI. 5 ~... 34 23 8 3 45 47 /if) 44 ~ c((SD Central Contra Costa Sanitary District BOARD OF DIRECTORS POSITION ftAPER VIA: ROGER J. DOLAN r"" General Manager-Chief Engineer SUBJECT AUTHORIZATION FOR P.A. 85-5 (DANVILLE) TO BE INCLUDED IN A FUTURE FORMAL ANNEXATION TO THE DISTRICT 2 DATE February 26, TYPE OF ACTION ACCEPT FOR PROCESSING SUBMITTED BY Dennis Hall Parcel No. 85-5 Area Oanville Owner Address Parcel No. & Acrea e George A. Magruder 2681 Stone Valley Road Oanville, CA 1 96- 01 0- 006 ( 2. 00 Ac.) Lead Remarks A enc Existing house - CCCSO Failing Septic tank system. District to prepare "Notice of Exemption". RECOMMENDATION: Authorize P.A. 85-5 to be included in a future formal annexation. REVIEWED AND RECOMMENDED FOR BOARD ACT/ON I'll DH /U ftvV1 JMc H(l INITIATING DEPT./DIV. RAB II t1~~ill:\\~ill\\\\;[[::\:[:[:::::::\[\::\:i~:~~fil~ri: HlIIIP><P!Y I~O, 7~ AC I. r1 ~.,. f>.rJ BISCHOFF 12.90 AC 74 73 ~ 9AC OSBOR~J 32.20 AC PROPOSED ANNEXATION PA. 85-5 .----------.----...1-.' .-,---- .--..-. .. - .-------.. ,----.-.--,-'~---.-.. --..--- ..... <((sD Central Contra Costa Sanitary District BOARD OF DIRECTORS N~V. CONSENT CALENDAR 3 3/7/85 POSITION PAPER VIA: ROGER J. DOLAN General Manager-Chief Engineer DATE FEBRUARY 28 1 SUBJECT C TYPE OF ACTION SEMINAR ENTITLED IIMANAGEMENT OF CHANGE ORDERS AND CLAIMS IN EPA AUTHORIZE ATTENDANCE FUNDED PROJECTS,II MARCH 19-21,1985, IN SAN DIEGO, CALIFORNIA, AT SEMINAR AT A COST NOT TO EXCEED $1,050. SUBMITTED BY ROBERT A. BAKER INITIATING DEPT./DIV. ENGINEERING DEPARTMENT ISSUE: Board approval of this seminar is required because the cost exceeds $500. BACKGROUND: The District has received bids on its Stage 5B Treatment Plant Expansion Project. Construction of this project is scheduled to start in May 1985. This project is grant funded, and the Environmental Protection Agency recommends that representatives of grantee organizations attend the above-referenced seminar to enhance their knowledge of management of change orders and claims. The cost of the seminar, meals, travel, and lodging is estimated to be $1,050. The cost of the seminar and travel expenses are allowable for grant reimbursement. Fundsare available in the 5B Project budget for this seminar. RECOMMENDATION: Authorize the attendance of Jay McCoy at the above-named seminar in San Diego at a cost not to exceed $1,050. REVIEWED AND RECOMMENDED FOR BOARD ACTION RAB Central Contra Costa Sanitary District BOARD OF DIRECTORS NO. VI. ADMINISTRATIVE 1 3 POSITION PAPER VIA: ROGER J. DOLAN General Manager-Chief Engineer DATE Februar 26, 1985 SUBJECT CONSIDER DEFERRED COMPENSATION PlAN EMERGENCY WITHDRAWAL REQUEST TYPE OF ACTION CONSIDER EMERGENCY WITHDRAW AL SUBMITTED BY WALTER FUNASAKI, FINANCE OFFICER INITIATING DEPT./DIV. ADMINISTRATIVE FINANCE ISSUE: Board of Directors approval is required for emergency withdrawals from the Deferred Compensation Plan. BACKGROUND: M. Mull in, Permit and Services Technician, has requested a $1,758 emergency withdrawal from the Deferred Compensation Plan based on extreme financial hardship caused by a medical leave of absence. The Deferred Compensation Pl an Advisory Committee has considered the request and bel ieves it meets the requirements for emergency withdrawal; the committee, therefore, recommends approval of the withdrawal request. RECOMMENDATION: The Deferred Compensati on Pl an Adv i sory Committee recommends approval of M. Mullin's request for emergency withdrawal of $1,758 from the Deferred Compensation Plan. REVIEWED AND RECOMMENDED FOR BOARD ACTION PM IN?~=. WF ~ -,--._. .._.__.___.____..__...._M____'"_"__"'.__._.""__"_.._.__.__..~___~__._________,._,__._..,. Sanitary BOARD OF DIRECTORS NO. VI I. PLANT 1 3/7 /85 POSITION PAPER VIA: ROGER J. DOLAN General Manager-Chief Engineer DATE SUBJECT Februar 22, 1985 TYPE OF ACTION ACCEPTANCE OF RE RT BOARD ACCEPTANCE OF 1984 ANNUAl SELF-t<<>NITORING PROGRAM SUBMITTED BY Issue: The Central Contra Costa Sanitary District's Self-Monitoring Program annual report for 1984 has been prepared for submission to the California Regional Water Quality Control Board, San Francisco Bay Section. This report is presented to the Board at this time for its information and acceptance. Background: All effluent requirements were met through the year with the exception of 31 non-zero chlorine residual violations readings out of 8,503 analyses. These non-zero viol ati ons were because of process control problems with a total duration of less than 5.8 hours. The total duration of these violations represents seven-one hundreths of one percent of the total and a major reduction fran the 35 hours in 1983. The effluent discharge to the Bay is several miles downstream of the sample point. Because of this extended contact time in the outfall line, the chlorine residual probably never reached the receiving water to cause any detrimental effects on the water qual ity. There was one total coliform violation. This occurred on the first day of the outfall project basin overflow; it is believed that that violation was caused by excessive soil contamination while Plant effluent was passing through the holding basins. During this project period a special effluent quality monitoring program was implemented by the Plant Operations Department Laboratory staff at the request of the California Regional Water Quality Control Board. It showed no degradation in water or effl uent quality during this period. There was a total of 14,384 million gallons of wastewater treated for an average daily flow of 39.3 million gallons. This flOtl is a 19 percent decrease over 1983 which was a very high wet weather year. The treatment pl ant operated throughout the year and produced an effl uent with an average BOD and total suspended solids concentration of 6 mg/l each. The BOD and total suspended solids removal efficiency for the plant averaged 96 percent and 97 percent, respectively. There was a total of 61,260 tons, wet weight, of solids disposed of this year by landfilling; 3,723 tons of solids was incinerated in the multiple hearth furnace. The dewatered sl udge met the regul atory cri teri a for off- site disposal by truck hauling to Acme Fill. REVIEWED AND RECOMMENDED FOR BOARD ACTION CWB Upon acceptance of this report by the Central Contra Costa Sanitary District Board of Directors, the Annual Self-Monitoring Program Report will be submitted to the California Regional Water Quality Control Board. Recommendation: Acceptance of the 1984 Annual Self-Monitoring Program Report. I'.' REVIEWED AND RECOMMENDED FOR BOARD ACTION INITIATING DEPT./DIV, GEN. MGR'/CHIEF ENG. _._--.....-._---~--_.._-_."~----'--_..._._-----~--_._._"'-...~-_.._,-""--_.__._._.._-----~_.~,----- Page No. _of _ CENTRAl CONTRA roSTA SANITARY DISTRICT DISCHARGER'S MONITORING PROGRAM REPORT CENTRAl roNTRA roST A REPORTING DISCHARGER SANITARY DISTRICT DATE OF REPORT February 13, 1985 REPORTING PERIOD Jan.-Dec. 1984 SUBJECT: ANNUAL REPORT COtJMENTS: Enclosed is the 1984 annual report. The report presents yearly totals, averages, maximums, and minimums on the District's influent, final effluent, and receiving water quality parameters. The dewatered sludge characteristics and disposal data is presented separately in table 19. Selected important data is also presented graphically. All sampling analyses were performed in accordance with the Water Quality Control Board's Resolution Nos. 14-95 and 84-11. In October, 1984, the District had to shut down its outfall discharge because of outfall inspection and repair. Therefore, the District requested a temporary waiver of the wastewater discharge requirements from the Regional Water Quality Control Board. On October 5, 1984, the Regional Water Quality Control Board granted the waiver, and on October 13 the District suspended its effluent discharge to $ulsun Bay and diverted it to the holding basins. On October 18 after the holding basins' capacity was reached, holding basin "C," last in the series, started to overflow to Pacheco Slough. A special effluent quality monitoring program was implemented on that day. This program included, in addition to the District's normal NPDES monitoring, a selected water quality criteria monitoring of Walnut Creek/Pacheco Creek upstream and downstream of the District's discharge. The District's overflow quality met all the applicable NPOES requirements except for one total coliform violation on October 18, the first day of the overflow. We believe that the violation was caused by excessive soil and water contamination of the effluent while passing through basin "A" to basin "C." The overflow water quality was consistently equal to or better than the Walnut Creek background data upstream of the District's discharge. The outfall repair work was completed on November 21, 1984, and the normal discharge of effluent was resumed. In April, 1984, the District implemented the Regional Water Quality Control Board's mandated effluent chlorination and dechlorination . monitoring program. Under this program special effluent chlorination and dechlorination data were collected and transmitted to the Regional Water Quality Control Board. A total of 31 hourly nonzero chlorine residual readings were recorded this year. The maximum and minimum readings recorded were 3.0 and 0.1 mg/l, respectively. These violations were 1984 Annual Report Page 2 caused by sudden temporary chlorination and dechlorination process control prob1 ems. A number of steps are p1 anned to e1 iminate most of these violations in the future. The total duration of these violations was 5.8 hours out of 8,503 hourly readings recorded. It should be noted, however, that the effl uent di scharge to the receiving w.ater is several miles downstream fran the point of sampl ing. Because of this extended contact time in the outfall pipe the chlorine residual probably never reached the receiv ing water and therefore di d not have any detrimental effect on the water quality. In June, 1984, the Regional Water Quality Control Board mandated a quarterly exploratory monitoring program on selected organic and metallic poll utants. The Di strict has successfully carried out thi s additional monitoring through a contract laboratory. The results of the two quarterly samplings and analyses are enclosed with this report. No known dangerous organic poll utants, like PCB and other pestici des, were detected in the effluent in any significant concentration. To the best of my knowledge, the information contained herein is true and correct. .. II ( 1YVzA,:' ---./ Signature, Director of Laboratory Certified by California Department of Public Health INDEX PART I - ANNUAL WASTE a-lARACTERISTICS AND LOADING (Conti nued) pH. Monthly Maximum, Minimum, and Average - Table 11 . · · · · · · , · , Settleable Matter, Monthly Maximum, Minimum, and Average - Table 12. · . , . . . Total Coliform, Monthly Maximum, Minimum, and Average - Table 13 . ..... Organic Nitrogen, Monthly Maximum, Minimum. and Average - Table 14 . · Ammonia Nitrogen, Monthly Maximum, Minimum, and Average - Table 15 . . . . . . . . Nitrite Nitrogen, Monthly Maximum. Minimum, and Average - Table 16 · · . . . Nitrate Nitrogen, Monthly Maximum, Minimum, and Average - Table 17 · · Total Phosphorus, Monthly Maximum, Minimum, and Average - Table 18 . . . . . . . . Solids Handling Summary - Table 19 . . . . . . . . . . . . . . . . . . . . . PART II - RECEIVING WATER a-lARACTERISTICS Requirement Compliance Summary - Table 20. . . . . . . . . . . . . . . . . . PaQe No. 23 24 25 26 27 28 29 30 31 32 Unionized Ammonia Nitrogen, mg/1, Monthly Maximum, Minimum, and'Average - Table 21. . . . . . . . 33 pH, Monthly Maximum, Minimum, and Average - Table 22 . . · · · · . . . . . . Temperature, Monthly Maximum, Minimum, and Average - Table 23. . . ..... 34 35 Dissolved Oxygen, Monthly Maximum, Minimum, and Average - Table 24 . . . . . 36 Total Coliform, MPN/100m1, Monthly Maximum, Minimum, and Average - Table 25. 37 Color, Turbidity - Table 26. . . . . . · . · · . · . . . . . . . . . . . . . 38 Walnut Creek Background Data During Effluent Overflow to Pacheco Slough - Table 27. . . . . . . 39 Quarterly Monitoring Program on Selected Organic and Metallic Pollutants - (Ten Pages) . . . . 40 Aerial Photo, Receiving Water Station. . . . . . . . . . . . . . . . . . · · 50 --~. . ..... "6,;. .._.... ..~;.._""'~'"...__.__._...._ __ ..._...-...... .......... . Page-'W6:-'J or- 50.-- ..... , '. TJillLE 1 CENTRAL CONT~~ COSTh SANITARY DISTRICT WATER PO~LUTION CO~TROL DIVISION REQUI~}ENTCOMPLIANCE SUMMARY Final Effluent (E-001D) 'YEAR 1984 WASTE EFFLUENT f , , .~.~~ ~ . , :..; ! r-f " : 00 :: \' . ' fD.-f , . 0 ; .0 GJ '00 s:: Ilf . . . >. .;.J rJ ., 00 '" t.. - ~ CJ f C!) Jot ., s:: I/) - s:: ~ "Wi::J , "Wi . kOO . . ~ \.'. ... .. f;; r-I c:> , ' " .Cl) ~ '" If' Tota1.:Col i form 0 d- .p.J.J Pi''''' . rJ o "Wi -r1 "-' .p.p ; 0 ' . I/)r-f .-fCl) .-fCl) X rJ J a r:I 0 , 0 "WiJ.f .r::CJ tI: 0 ~ U)A . ,:. , JQ U)tI) , - 0 C) UP: . Pt ~ . - I .;1 , : .. . '. . , Jot "- - , - t. ... . . " rI , , - ~ .... , . . . . k "- " , ,- , . ,- . ., . C!.I rot rot ' .: , ~ , 'J: ~ .-' . k~ "- 'a .... ' , .... .... .... . rl ' . ::Jr.I . "- . , ~, '. ~ "- ~ ~ . o~ N -H' .~ 0 .r::(!.I o. . S ,p, 'S a ... '. Ea . . . ",.p .. I.J.J M.... 0 0 It) 0 It) 0 0 ,"E. ..... ::J . , \0111 , . . ~o I' III COr/) MO r- III COr/) MO. '::J . 'tj 0 . cnt:S 0 . . M "'It I .~ M Olit ~ .-f . - E .. Cl) G.I ~ .p I ~ I I I I I I ~ - '( Ii CI) lIS .-l m c:J r/) II) ....00 tfJ I/) 00 r/) a - )( l s:: 0 ~ <:: S::>. A s::>. . s:: >. 5~ s::>. .... s::>. 'E CD . .. 0- - . S:::> .::i r.I r.I I'd I'd r.s liS r.s C!) I\S Ilf r.s CI) rj rj , E 'it o. en .....0 ...1 S!OO r/) GJOO CI)'tJ > > (!.I 00 (!)oo > > CI)'tJ lit Q! .... :::J :4 ~ 0''''' :E: :E: o "Wi A ::J o.:.Q.) . :11)- . .... A li.f.J C!) 0 .-:-. P- o . , . C!) 0 't!) CD IS '4.1 C!) (!) rJlH o > C!) 0'> o > ~ ::J o > o > C!) ::J 0> Cl) .... a. O'lf.f 0 .!f 0 ..... -rl s:: ..... ..... ..... .... 0, ..... -rl -.... ..... r:.:;o .......... .s:: Z'E .._~ 0 . .J.J4J c:J .p.p .p.p Cl) .p4J .p~ G.I , .p 4J Id 0:; CD, \0 >> a ::s .p Q) :::J 2 g .a.Jm Cl) ::J jg .pI/) Cl) ::s ~ ~CIl ~~~ ~ ~ E 0 5 ,~ ~ a:: a:: .a~ s:: a:: .ag ,0 CI) .r:: (.l .r::C!J (!) 0 CI) 0 ~I\S . e.... 11)111 4.1 (;) , .p .pI/) ou .p'1/) .pI/) ou .pm ~ 0- . ..... At rJ ..... s:: t/) .....a:: .....a:: J..a -rla:: ..... a:: J..a .....a:: I/) o Ol oxe ~o l! 8, f a:: ~8 ~8 cao k 0 J..a 0 vo ~8 s:: ..c ~r.sl'j O'r! H P.M ..cu .ceu P.M H o '-t ~~I/) III) .Q _ c/). - - _..- . 0/1 0/30 . 0/4' - .1"0;1 , .1 \. 1 0/1 0/1 0/4 0/1 0/1, 1/720 0/22 0/22 0130 0/2 . 0/1 P/29 0/1 f 0/4 I 0/1 0/1 0/4 I 0/1 0/1 12/696 0/21 I 0/21 10/29 0/2 ) - I . Oil I 0/30 0/1 , 0/4 I 0/1 f 0/1 0/4 0/1 0/1 2/720 0/24 ' I 0/24' I 0/30 0/2 - - I 0/1 I 0/28 0/1 10/4, I 0/1 0/1 0/4 0/1 n/1 11/7011 0/21 I 0/21 . 10/28 0/2 1 0/1 , 01311 0/1 I 0/4 Oil 0/1 ., 0/4 0/1 0/1 h 171..1.. 012~ OJ?~ t 0/31 10/2 , - : 0/1 0/29 I 0/1 0/4 0/1 0/1 0/4 0/1 .n/1 In /~Q~ nJ?1 n/'l 10/29 I 0/2 - - I all 0/27 0/1 0/4 0/1 I 0/1 I Olu - 0/1 .(1/1 I ~ /~"7? OJ?~ n/,"I. . 10/27 012 J- i Oil I O/~O 0/1 0/4 ' n/1 n/1 0/4 n/1 0/1 11/720 OJ? "I. t n/,"I. l 0/29 0/2 . 0/1 0/30 0/1 0/4' Oil 0/1 fJ/4' 0/1 : n i"1 ".2.1720' 0/20 0/20 I 0/30 0/2 - 0/1 0/27 . 0/1 t 0/4 0/1 0/1 0/4 0/1 , 0/1 It /(..110. If?Q n/?n I 0"7 I 0'2 - 0/1 0/30 on 10/4 Oil, I 0/1 0/4 O.,ll 1 0/1 lInn n/" n I?? I O/~O o 2 - . I 0/ I 0/~1 I 0/1 10/4 n/1.( n/1 nIb. n/1 I 0/1 4/744 0/21. 0/21 I 0/31 01 2 .tj... O. O. ~ 'j' o o o n. o o 11 o " O' 0 . '. .'. . . . INDEX PART I - ANNUAL WASTE CHARACTERISTICS AND LOADING PaQe No. Requirement Compliance Summary, Effluent - Table 1 . . . . . . . . . . . . . 1 Annual Average Waste Characteristics and Loading Summary, Effluent - Table 2 2 Annual Average Waste Characteristics and Loading Summary, Influent- Waste (A-001) - Table 3 3 Influent Oil and Grease Loading. . . . . Monthly Average - Influent Flow MGD. . . . . . . . . . . . . . . . . . . . . 4 . . . . . . . . . . . . . . . . . . Final Effluent Oil and Grease Concentration and Mass Emission. . . . . . . . Final Effluent Suspended Solids Concentration and Mass Emission. . . Final Effluent Biochemical Oxygen Demand . . . . . . . . . . . . . . . . . . . . . . Influent Flow, MGD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Total Suspended Solids and BOD Removal Efficiency. . . . . . . . . ..... Final Effluent Fish Toxicity. . . . . . . . . . . . . . . . . . . . . . . . ... Final Effluent Total Coliform MPN/100m1. . . . . . . . . . . . . . . . . . . Final Effluent pH. . . . . . . . . . . . . . . . . . . . . . . . . ..... Final Effluent 96-Hour Bioassay Results Summary. . ..... . . . . . . . . Annual Average Waste Characteristics and loading Summary, Effluent, Nutrients - Table 5 . . final Effluent Ammonia and Nitrate-Nitrogen Concentration. . . . . . . . final Effluent Organic Nitrogen, Nitrite Nitrogen, and Total Phosphorus Concentration. . . . . . . 5 6 7 8 9 10 11 12 13 14 15 16 17 Annual Average Waste Characteristics and Loading Summary, Effluent - . Heavy Metals - Table 6. 18 Annual Average Waste Characteristics and loading Summary, Effluent - Heavy Metal s - Table 7. 19 Suspended Solids, Monthly Maximum, Minimum, and Average - Table 8. BOD, Monthly Maximum, Minimum, and Average - Table 9 . . . . . . ..... . . . . . . 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FEBRUARY 1 2 1 6 2023 161 904 29 MARCH 1 1 2 6 1 822 .322 854 31 - APRIL 12 2 6 . .;',J. 1818 251 811 30 ..... MAY 1 2 2 5 1 564 251 734 31 JUNE 1 0 1 5 1 303 51 61 5 29 JULY 12 2 7 1763 204 91 5 31 . AUGUST 8 2 5 984 244 565 31 . SEPTEMBER 1 2 1 5 1 386 128 605 30 OCTOBER 1 1 35 7 2 7 2253 900 27 NOVEMBER 20 3 10 3241 55 1 555 30 DECEMBER : 1 4 1 6 1 976 1 43 991 31 ANNUAL . . . I:: TOTAL .. NUMBER OF MAXIMUM 20 3241 SAMPLES ....... ............. ~M1~~~~t~!lW~~~; ." . . ANNUAL .~ MINIMUM ;~I*~jl~if.ir~lr 1 51 361 - .- . . ANNUAL 6 AVERAGE 866 6034-1.78 TABLE 8 ANNUAL WASTE CHARACTERISTIC AND LOADING SUMMARY Final Effluent (E-OOI-D) YEAR 1984 24-Hour Composite CENTRAL CONTRA COSTA SANITARY DISTRICT Page No. 21 of 50 TABLE 9 ANNUAL WASTE CHARACTERISTIC AND LOADING SUMMARY FINAL EFFLUENT (E-001-D) 24-HOUR COMPOSITE BIOCHEMICAL OXYGEN DEMAND CONCENTRATION lOADING PARAMETER MONTH JANUARY FEBRUARY MARCH APRIL MAY JUNE ! JULY AUGUST SEPTEMBER OCTOBER NOVEMBER DECEMBER \ ANNUAL ", " MAXIMUM ANNUAL MINIMUM ANNUAL AVERAGE mg!l MINIMUM AVERAGE MAXIMUM MINIMUM kg/day MAXIMUM 10 6 1566 . - . 7 1804 7 4140 - 6 . .";" 1252 5 2376 3 1127 5 1868 '5 925 6 1134 6 1675 7 2456 324 358 442 251 243 123 116 241 257 180 47 ---,.--..".._----~_.-_."..._---._._'-~----~"'-.__."-_."-_.._"..~-----.._._---_.._---_.._."..-._,.-._~_..__._----_..--,.._.~_._-,..._...,..,_.__."_.- -. 2 11 2 25 3 8 3 17 2 9 11 1 7 2 9 2 12 3 17 YEAR AVERAGE 1008 11 01 1132 776 ". 689 401 618 588 716 759 1026 1984 NUMBER OF SAMPLES 31 29 30 30 31 29 . t 31 31 30 27 30 15 2 6 2206 302 983 31 *"""w*..,:<~~ '.,-.0"'.......,... @It;~W$11l ti~~j~jMr:tf~ TOT AL 25 ._ 4140 __N~A':;~E~F . I .. 47 . 361 ___ 6" 816 "34-'-7. '~-. -_.'. =::.;;.:._--=-...:.....;..-..~_.:_-:;...;.:~....;...~-..:-.. --_..........;.~:._,;:- .-..-....- ",'._._-~._.~._.-.... --....---... ..---- ..;.~.:;......:.:.......-. -" .:;.. ....~..... ....:..... . Page No. 22 of 5J CENTRAL CONTRA COSTA SANITARV DISTRICT TABLE 10 ANNUAL WASTE CHARACTERISTIC AND LOADING SUMMARY FINAL EFFLUENT (E-001-D) YEAR 1984 GRAB Oil AND GREASE CONCENTRATION LOADING . NUMBER mg/1 kg/day OF AVERAGE MAXIMUM MINIMUM AVERAGE SAMPLES MAXIMUM MINIMUM JANUARY 1.4 0.6 0.9 233.9 86.8 159. 1 4 '. FEBRUARY 1.8 0.4 0.9 283.9 57.8 133.9 3 MARCH 6.2 0.6 1.9 886.9 87.0 279.2 5 -- APRIL 3.0 0.2 1.0' > 419.2 26.3 142.9 4 MAY 1.6 0.6 1.2 214.7 78.8 156.8 5 JUNE 1.2 0.2 0.6 156. 1 29.0 78.4 4 JULY 1.6 0.4 0.9 197.7 57.1 103.8 4 AUGUST 1.4 0.2 0.6 179.6 24.9 74.0 5 SEPTEMBER 2.0 0.6 1.3 252. 1 75.6 164.8 4 OCTOBER 2.4 0.1 1.4 335. 1 14.2 180.8 4 NOVEMBER 2.5 0.8 1.5 510.6 10.9 202.9 4 DECEMBER I. I 2.6 1.3 1.9 384.2 231. 4 305.6 4 ANNUAL . " ...... MAXIMUM ANNUAL MINIMUM 50 ANNUAL AVERAGE 6034- '-7R .------..,.-.--.......--.---.----------.-...... --..".....-........--..-. -..--".,..,-...-...----....--..-- Page No. 23 of 5:} CENTRAL CONTRA COSTA SANITARY DISTRICT TABLE 11 ANNUAL WASTE CHARACTERISTIC AND lOADING SUMMARY Final effluent (E-001-5) YEAR 1984 Grab PARAMETER pH CONCENTRATION NUMBER UNITS OF MONTH MAXIMUM MINIMUM AVERAGE MAXIMUM MINIMUM AVERAGE SAMPLES JANUARY 7.3 6.9 7. 1 30 '. FEBRUARY 7.3 6.8 7.0 29 MARCH 7.3 6.8 7.0 30 APRil 7.2 6.9 7.0> 28 MAY 7.2 6.9 7.0 31 .JUNE 7. t 6.6 7.0 .29 JULY 7.1 6.6 6.9 28 AUGUST 7.0 6. t 6.8 30 SEPTEMBER 7. 1 6.5 6.9 30 OCTOBER 7.5 6.7 7.1 27 NOVEMBER 7.9 6.7 7.2 30 DECEMBER .. : ; - 7. 1 6.8 6.9 31 TOTAL NUMBER OF SAMPLES ANNUAL MAXIMUM . . . ... 7.9 ANNUAL MINIMUM 353 ANNUAL AVERAGE 7.0 6034--'-71> . .. .-. .-.....-.,...- .--- ~.._._._..... ..- -.---"- ..' ..._--_...&...... -... -..-. _..- ..-.... . ... .- ..- .-,. . . PARAMETER MONTH JANUARY FEBRUARY MARCH APRil MAY .IUNE JULY AUGUST SEPTEMBER OCTOBER NOVEMBER .- - --..---- ..__.~...__.._---._- --..---.------ Page No. 24 of 50 CENTRAL CONTRA COSTA SANITARY DISTRICT MAXIMUM YEAR 1984 TABLE 12 ANNUAL WASTE CHARAC'TERISTlC AND lOADING SUMMARY Final Effluent (E-001-~) Grab . SETTLEABLE MATTER CONCENTRATION lOADING ,NUMBER OF SAMPLES ml/l/hour MINIMUM AVERAGE MAXIMUM MINIMUM AVERAGE ~0.1 <.0. 1 <-0. 1 '. . . <:. o. 1 <. 0.1 ~0.1 < 0.1 ('0.1 ZO.l <0.1 . 1 . .,'" lO.l ~'0.1 <0.1 <:0.1 < 0.1 , <..0.1 .(0.1 < 0.1 < 0.1 DECEMBER ','. 1 i <. O. 1. ANNUAL ". . .: ! MAXIMUM ANNUAL MINIMUM ANNUAL AVERAGE 30 29 30 28 '0' 31 , ' 29 28 30 30 <0.1 <.0.1 < O. 1 < 0.1 <0.1 (0.1 <0.1 (0.1 <'0.1 <,0. 1 < O. 1 <0.1 ZO.l <'0.1 27 30 31 SAMPLES . 353 ..(0.1 6034,-1-76 .. . . ,. . ~-..,. _._-_._--~------ -.- ---_._-_....._..~~~~ Page No. 25 of 5";;---"- ._. ..~ _ ...,....-_...-..~....-r""'-.__.__.___......._..___..__.___...'-.~ _._.~-.... PARAr.1ETER MONTH JANUARY FEBRUARY MARCH APRIL MAY JUNE I .JUL Y AUGUST SEPTEMBER OCTOBER NOVEMBER DECEMBER .. ANNUAL MAXIMUM ANNUAL MINIMUM ANNUAL AVERAGE CENTRAL CONTRA COST A SAN IT ARY DISTRICT TABLE t 3 ANNUAL WASTE CHARACTERISTIC AND LOADING SUMMARY Final Effluent (E-OOI-D) YEAR 1984 Grab TOTAL COLI FORM SINGLE SAMPLE FIVE-DAY MEDIAN MPN/I00 ml MPN/I00 ml MAXIMUM MINIMUM AVERAGE MAXIMUM MINIMUM AVERAGE NUMBER OF SAMPLES 130 < 38 22 34 ~2 70 22 . . . 1]0 .::(2 ~39 70 5 29 21 1600 <. 2 <163 170 23 55 24 ~ 35 .. .:). 79 <2 <. 25 21 ~ " 189 79 ~ 2 < 19 23 <. 4 5 ~ 2 <3 21 I < 44 13 < 2 < 2 22 <7 5 <2 <.2 23 <6 8 <.2 <..3 20 <'~ 1 43 33 2 12 20 < 13 ., 20 , .. 2 -:::. 8 22 - ~ < 174 170 < 20 <78 21 240 <: 2 ~2400 < 2 33 "- .2 920 < 2 49 ~ 2 34 (2 ==2400 < 2 80 <:.2 1400 (20 '. '1 ~ 170 'lA.Nl;~~~F <2 .. <2 . 260 ~ 2400 :II .. ~22 6034- '.76 ~.~71 PARAMETER MONTH JANUARY FEBRUARY MARCH APRil MAY .IlJNE .IlJl Y AUGUST SEPTEMBER OCTOBER NOVEMBER DECEMBER ANNUAL MAXIMUM ANNUAL MINIMUM ANNUAL AVERAGE CENTRAL CONTRA COSTA SANITARY DISTRICT 'C1~<;; I~V. ~I") or ~u TABLE 14 ANNUAL WASTE CHARACTERISTIC AND lOADING SUMMARY Final Effluent (E-00I-0) YEAR 1984 24-Hour Composite ORGANIC N CON CENTRA TlON lOADING NUMBER mg/l kg/day OF MAXIMUM MINIMUM AVERAGE SAMPLES MAXIMUM MINIMUM AVERAGE 3.2 3.5 3~ 1 3.5 4.6 3.6 4.3 2.8 3.8 5. 1 4.8 I 3.7 5. 1 . 2.3 486.9 2.7 348.3 .. ~ . 2.7 3.1 611.2 405. 1 2.4 2.8 539.8 349.0 1.3 2.7.:J, 547.8 140.6 2.0 2.8 247.6 610.2 . 2.0 2.6 444.0 231 . 1 1.9 555.8 180.7 3.2 2.4 . 2.6 2.7 3. 1 2.3 3.0 1.7 3.3 2.0 3.0 396.2 289.7 478.9 337.1 677.1 249.4 729.7 120.1 553.3 343.'0 440. 1 499.4 417.3 346.2 365.1 332.2 401.2 335.7 404. 1 392.0 493. 1 473.5 8 8 9 8 to 7 9 9 8 8 9 8 ............. .. . .... 11' ..........<<::.<.......'*~R..I<@'^'l"'.t;....I.<<';.>:W& TOTA ;:.~:'~:~:.~:.[:r...~.~:.1.....t:l:~::t:~>.!.f.~~~,~:~,.,i.1,.~.I:.t:,~:t:..~::~:~:.~:i:f:~,~..:~.~:E:;::..:~:..~..~:.:^.~:.;..:~:.~."':~:":~.:~:.;":::~'..~'...~:"..~::;.:r:.t:~.~>.~.:1::~.A.t:::..~.~:~:~::~.>.~>t:;:.~..:.~>:r.:~:::::t::r::i::l:...f::;::!::~::~:,t::1::r::r.,:i..: .<:,~11_~ '. ..:::....~?<~.:~_~~ NUMBER l OF "~~.'y. "..}~f~..~~}"''.'1.. 729. 7 .::...:~:@~lf%t~H%t@ItM~'I SAMPLES .. 120.1 . 101 1.3 .. 2.9 .. 408.3 6034-1-710 PARAMETER MONTH JANUARY FEBRUARY MARCH APRIL MAY .JUNE I .JUL V AUGUST SEPTEMBER OCTOBER NOVEMBER DECEMBER .. ANNUAL MAXIMUM ANNUAL LlINIMUM ANNUAL AVERAGE '"4"'"-'" ,._-~~.._- Page No. '2.7 of sa CENTRAL COI'JTRA COSTA SANITARY DISTRICT TABLE 15 ANNUAL WASTE CHARACTERISTIC AND LOADING SUMMARY Final Effluent (E-001-D) 24-Hour Composite YEAR 1984 AMMONIA-N CONCENTRATION LOADING mg/l kg/day MAXIMUM MINIMUM AVERAGE MAXIMUM MINIMUM AVERAGE 13.7 12.9 10.3 14.0 , 13.6 11.2 16.4 10. 1 15.0 14.6 15.2 : 17.9 '. ' 17.9 NUMBER OF SAMPLES 7.3 .11.0 2260.0 1132.7 1828.6 31 ". " 9.4 1987.2 1085.2 1487.8 29 8.7 1740.7 944.7 1339.0 31 11 .3 ,,1 2054.8 527. 1 1591.2 30 " 9.9 1886.5 365.2 1326.0 31 7.2 6.5 7.0 2.8 6.6 9.2 1507.9 630.3 1181.3 29 : I 2394.0 474.3 1426.0 31 1440.8 354.7 854.7 31 1895.9 1007. 1 1487.2 30 1982.4 490.7 1581.4 27 2751 .9 92.0 1332.0 30 2686.8 1920.2 2281 .9 31 5.8 11. 1 3.8 6.8 7.8 11.6 10. 1 12.3 4.4 8.6 10. 1 14.6 m .........<< 'w... ,..., ..,""::;::.,....., m,:'.::::.>,,~.~:::~,r.L.~.~..;:,.~,;,'~,~.':.~:,~:.'~..;:r:~..:;.'.r:~.~..:,:.:~i:r:~.t:..~:~.'.~.:.~,:.:, ~:.~.;.,;:.:~.~::iO.~:~.::~.~.:~.~,~:::.~,::~.,.:.~..'~,~:~~::t:~:B::~:J$l#."" '~,.:, N'UTMOBTEARLOF :N.:m:~.,.:.t.;:~r.r:~.',~:,.r:;::,;.:,~:_l:f:!r:~:.:!.t,r,!.'.r~,,~:~.:t.:~.:r:~.~.;:~.r:~.~:.~~l.r,;~.t:1: ~.;~:,~:t:..i:r::.i:i:.~:~:;:::;.I:~:l:~,~.i.~."":;:~:f.,;,:t?i:l:i:t,r:[,f.l:l;t:~.,.r.:.};!:r.~.~.~:f,r:i:1: 2751 . 9 I::i*~.:.::;,:t~:~:: ,~,:,::;:*.i;".:.;,:.:.:..w '.; SAMPLES ~!~"&. -r:~.--. u, :"-.. ..-. ..~.~ '-. .-. ~:~:~::~?::?~~::~:::~:::::;:::::::::: :::~::::;:;:::::::::::::~::::::: ..:~::: .. 92.0 I" 361 10.4 .. 1476.4 . 2.8 .. 6034. 1-7R PARAMETER CENTRAL CONTRA COSTA SANITARY DISTRICT Page No. 28 of 50 TABLE 1 C ANNUAL WASTE CHARACTERISTIC AND LOADING SUMMARY Final Effluent (E-001-D) YEAR 1984 24-Hour Composite tJl TR ITE-N CONCENTRATION lOADING mg/l kg/day MAXIMUM MINIMUM AVERAGE MAXIMUM MINIMUM AVERAGE 2.7 0.2 1.2 415.3 38.8 1.6 1.0 1.4 327.4 140.3 1.9 0.6 1.2 330.8 87.2 0.5 0.4"..1 72.0 15. 1 0.2 0.6 0.2 0.3 79.6 23.6 42.0 0.4 '0 . 2 0 . 3 60.2 19.3 34.9 3.5 474.1 50.8 218.9 0.7 1.7 3.6 0.7 > 1.5 447.8 84.5 195.8 0.9 39.8 0.3 0.5 131.7 1.8 224.5 65.9 0.5 1.1 1.0 0.2 0.7 227.3 31.8 1.0 <0.1 147.8 (13.-9 (0.4 ~ i 191.0 223.3 175.5 45.9 ,. 67.8 135.2 97.7 < 66. 3 NUMBER OF SAMPLES 10 8 10 8 10 8 9 9 10 8 11 8 .~.... ,X.._y _..m.............. *1 ~.Jl~1I TOT AL ... . . ......... ..... ....:~~.:...~.:.~~:.~:~...,~~~:~:~.~...~:.}:.:...I:~...~:~:..:~....::.~~...~.:.::;.:t:.f:~:<~.1.,.;:..i:.~.i:. :;~ :'~:::l*fu::~~::*:t~ NUMBER OF 3, 6 ~::.:t:;J~~~t*N~ ".~. ....;'. 474. 1 .;~f:!~~l~i~1i~t$HMi~i*=t@MI SAMPLES . <0.1 ~. <13.9 . 109 .. <0.89 .. (124.5 6034-"'0 PARAMETER MONTH JANUARY FEBRUARY MARCH APRIL MAY .IUNE I .Il JL Y AUGUST - SEPTEMBER OCTOBER NOVEMBER DECEMBER ANNUAL MAXIMUM ANNUAL MINIMUM .. ANNUAL AVERAGE . ...._.--"4~... .._"-_._._.._.~ CENTRAL CONTRA COSTA SANITARY DISTRICT Page No. 29- of 51) TABLE 17 ANNUAL WASTE CHARACTERISTIC AND LOADING SUMMARY Final Effluent (E-OOI-D) YEAR' 1984 24-Hour Composite MAXIMUM 4.4 5.0 8.5 9.0 9.2 9.6 6.9 7.4 6.6 4.8 7.4 l 4.8 : '. 9.6 NITRATE-N CONCENTRATION mg/l lOADING MINIMUM AVERAGE kg/day MAXIMUM MINIMUM AVERAGE 1.1 2.2 657.5 168.7 475. 1 320. 1 391.6 351. 5 603.2 816.4 863.7 777 .3 1011. 6 729.2 1020.1 284.7 441.2 565. 1 140.9 144.7 484.5 4,65. 4 710.3 677.2 417.3 787.5 584.9 NUMBER OF SAMPLES 10 8 9 8 ,} 0 8 8 9 10 8 9 8 xw.........w.m., ........ _~~~jli!tl~~!1~~~1 TOTAL .:]11444.7 _"'N~~~~F . 1.1 .. 140.9. 105 1Iii." _,> "''-",", "". ~.~.:~:~..:~:~.~.::.;,,::~.:r..::.~..:.::~...).::..l::.r::.~::,.~::j::.r_:::~:::.i:..:~.:::.l..::.l:.::~::.~.:."::~:.:t.:~...:~.:~:w.r.::~...::~.:.~._~_::L::.~::~.:.~:,.~.::;:...~.~::;.::: ~.:::~:.~:.t:~:~:'N.::..\:~:..t...~....~:.:t::..~::.~..::t:::~.,,:~:...~..:t..:..~:,.~..:~::.~......~...::.~:.'.\::.~:".:r::.r::.~:::::...::~::..~.:...:.~.:.::r::.:.;:::.t::.'.l:::::.f:::;:::.~:.:'.r:.:.~...:.\::.:' 692 . 4 .. 5.0 "":::".rft~:;0..-': 0034-1.7. ... ~ . 3.0 3.8 704.6 2.2 1410.3 5.5 4.4 6.8 ~ 1295.9 6.5 7.7 1220.0 5.6 7.8 1444.7 2.2 3.9 822.2 3.0 ., 927.8 5.5 4.5 874.7 5.2 1.2 637.3 3.2 2. 1 1308.7 5.0 3.0 717.8 3.7 PARAMETER MONTH JANUARY FEBRUARY MARCH APRil MAY JUNE ! JULY AUGUST SEPTEMBER OCTOBER NOVEMBER DECEMBER ANNUAL L1~XIMUM ANNUAL MINIMUM ANNUAL AVERAGE CENTRAL CONTRA COSTA SANITARY DISTRICT rdyt: I'm. j'J or 50 TABLE 18 ANNUAL WASTE CHARACTERISTIC AND lOADING SUMMARY Final Effluent (E-001-D) YEAR 1q84 24-Hour Composite TOTAL PHOSPHORUS CONCENTRATION , mg!1 MAXIMUM MINIMUM AVERAGE lOADING kg/day MAXIMUM MINIMUM AVERAGE 7.0 6.0 '!" . 1065.0 646.8 5.2 13.0 5.8 7.2 2837.8 7.5 6.2 1111.7 5~2 10.0 5.8 1.2 . ~ 1350.2 8.0 6.3 1063.1 5.4 1.2 5.5 6.7 1083.5 9.5 5.4 1.4 1307.9 8.8 5.2 6.9 1062.4 8.9 7.0 1185.5 6.2 6.8 6.2 915.7 5.1. 6.8 3.8 1363.6 5.7 6.2 4.0 916.2 4.9 964.9 892.7 1214.2 720.8 918.6 291.2 636.0 673.9 304.9 735.9 779.2 553.0 183.7 623~5 923.0 8 834.3 866.7 950.5 881.2 910.6 795.3 878 3 763.2 NUMBER OF SAMPLES 9 8 9 10 8 9 9 8 8 9 8 . , '\r'-.''''''. . .. 'tlBJr TOTAl p.~i.~.N~A~~~~F '11I. 6.4 .. 908.4 "34..76 Page No. 31 of 50 TABLE 19 CENTRAL CONTRA COSTA SANITARY DISTRICT ANNUAL AVERAGE WASTE CHARACTERISTICS SOLIDS HANDLING SUMMARY January - December, 1984 CENTRIFUGED SLUDGE (WASTE-002) CHARACTERISTICS DISPOSAL . Percent Percent Month Total Solids Moisture Total Tons (Wet Weight) (Avg.) (Avg.) . . e J.ariua'ry 23.7 76.3 5760 Fe~ruary 25.0 75.0 ..5 71 9 e. l1arch 25.9 74.1 .5673 ... Apri 1 21.4 78.6 4998 . May . . 23.2 76.7 56~3 June 23.7 76.3 5586 , July 22.5 77.5 5363 August 22.6 77 .4 5366 e September 21.5 78.5 4794 October 21.9 78. 1 5580 . . 73.6 November . .. . 'C 26.4 5319 .. . .. December 27.9 72.1 1472 ~aximum 27.9 78.6 5760 . "1inimum 21.4 72.1 1472 . ~ver.age' . . . . . . . . 23.~g- . . . . . ....76.2 . . . . .5105 . . . . " * Sludge incinerated: ASH * DISPOSAL Total Tons o o o o o o o o o o 244.4 1016.8 1016.8 0.0 105. 1 -~ pi:ige' No-. 32 . ol---so" ,. TABLE 20 CE~TRAL CONTRA COSTA S~~ITARY DISTRICT WATER POLLUTION CONTROL DIVISION REQUIRE!1ENT COHrLIA,.~CE SlJNHARY - RECEIVING WATER 1984 COLIFORH ANALYSIS (H?~A"'TC::).fC:: PH MACROSCOPIC 1'0 .- c: >- :z:-o r;l I c: Q) . ..... CJ r;l . , E ~ -0 eJ .. ~ >- ~ <:l Ul IU ~ ~ Il) ~ c: M E .- 1'0 E ~ ~ ..... I-< 0 5 C :J :J CIl fj) -0 C/) .. u .. o c E ellE "'Cl .r: ..... 4.1 tw M III all) E c.- >>..... .... 4.1 .0 .... 0 SLf'\ Il) .-4 ..-l E 1'0 )( X c: ..-f ~ ~ .-4 C/) 0 ..-f - ~ c( 1'0 0..... 9 0 0 :J .... 0 c: 0..... 0- ~ a ~E E fj) ~ E-t 0 0- 0 ~ 0 e -0....... "C E t) Q) ..... ~ fj) Q) Ol~ eJ..-l ..... ClO ~ ClO 0 4.1 I ~ ~ fj) NE....... ,>- c: ~m u 0 r:: c:f I all) -. DI ..-l CI(; .... .... .... 5 C -!'ill) O..-f c' Lt\ E o E E 4.1 0 U ~ U ~ ~ ...... > OClO ON fj) '.:0 . cor... co c C:3 u Q) ~ o~.... .. c: .- .0 -:r fj)C' 0 0 :J .-4 0 4.1 4.1 -:r u 0..... r:;.. ..... . . ..-f~ D' 0 .-4 0 ..-f 0 N E :J ..-l fj) ::> 0,0 Or--. ,.... r... 0 < u r... :q < Jan. - : Feb. 0/1 0/1 0/1 0/1 '0/1 ..,;: 0/1 0/1 0/1 0/1 0/1 0/1 . " ,. Har. . Apr. l-Iay 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 June July , Aug. Sept. 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 Oct. , Nov. Dec. 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 '0/1 ... Tot. 0 0 : ~ 0 0 0 0 0 0 0 0 0 Max. , . ' loUn. Ave. .. Page No. 33. of 59 CENT CONTRA COSTA SANITARY OISTR' " TABLE 11 . ANNUAL RECEIVING \VATER DATA SUMMARY YEAR_ 1984 .. PARAMETER . UN I ON i Z ED At-1MON I A - N CONCENTRAT I ON NUMBER mQ/ 1 OF MONTH MAXIMUM MINIMUM AVERAGE MAXIMUM MINIMUM AVERAGE SAMPLES JANUARY , ! '. FEBRUARY 0:. 00 1 1 <0 0909 ~ 0 00 1 0 . " . . 6 .. ., .. 'J . . MARCH -,. . ; . " ~ : . : - . '. .' . APRil .. : .~ . , " . - '. .' : '. -, ~ .. ,;. . " , " ~ ,. . " MAY ~ : " - .' " <0. -'. " ,;:'0. 01 4 - 003 <'0 o 0 6'"~ , . ., ; : 6 . . " .- ... JUNE . . ., " . -. 0 : JULY " : . . . . AUGUST. 0 - . '. SEPTEMBER "0 05-1 < 0 002 ( . . . 0 . 025 6 - OCTOBER . NOVEMBER I DECEMBER /0 0005' <.0 0005 1/, . . . ~O , 0005 6 , - r . ANNUAL .. TOTAL MAXIMUM : 0 . 05 1 NUMBER OF SAMPLES ANNUAL "p .. . MINIMUM . ">"~>;:~~::::::~::;*:::;':~:' (0.0005 21J :f~;~;;~;~*~f1~f~~fU: . ANNUAL -tuB .. AVERAGE <..0 . 008 1 6046-1-76 .. ~ - PARA~,'ETER r.~Oi\lTH JANUARY .0 CENTflAL CONTRA COSTf. SANHARY DISTRICT TABLE 22. . ANNUAL RECEIVING WATER DATA SUW.\ARY pH , UN ITS MAX I iI.'UM MAXIMUM MINIMur,' AVERAGE " FEBRUARY 7.9. 7.8 .' , . .. . " , .. j . MARCH .' . , : .. APRIL .. '. , 0 - : . " . ANNUAL " ' MINIMUM - I ANNUAL : AVERAGE . ,7.8 .. ~ -. 7.9 8~ l",..' .7.7 7.9 7.6 7.6 M1NIMur" r-d~t:: I'm. )'1 at j:J YEAR 1984 .. AVERAGE NUMeER OF SAM?lES '. - 6 . " " . 6" .....' . 6 6 ~\1~llj11~1'111!il~~f~~[r~_ NJ~~:~LOF ~. SAMPLES DJ,?~::::)f~~:;f~l ~1W~lWg~)1~1 .. . 7.6 _ ._ 7.8 .. ., 24 604&-1-76 CENTpb-l CONTRA COSTA SAt'JITABV DISTR1CJ Page No: 35 of 50 TABLE :!~ o ANNUAL' RECEIVING WATER DATA SUMMARV " YEAR 1984 . 0 PARAMETER TEMP ERATURE 0 " CO NUM~=R OF , MONTH MAXIMU/\.l fJlINIMUM AVERAGE MAXIMUM MINIMUM AVERAGE SAMPlES JANUARV 1 ~ " ". 0 " , FEBRUARY " 0 , . 0 , 0 " .. . 06 0 ., .. .. o . ,. "" ,.} ::- MARCH .', 'p 0 . . . ~ .. . : .' 0 " .., APRil '. .' . . - : ". o. - : 0 ;. . . .' . .. MAY ..0 .' ~ ; , 7 - , 7 1 7- o. " .'. . .. o. " ..~ 6- .. 0 . " ". ". JUNE ; 0 . - " 0 . "- 0 .. .. ....... '" 00 0 JULY 0 '. . . 0 . . AUGUST .. " 0 "' - - .. 0 0 SEPTEMBER 24-:. 24 24 .0 , . 6 ,. ., OCTOBER 0 0 0 . l\!OVEMBER DECEMBER 9 9 9 . 6 ANNUAL . . - TOTAL MAXIMUM : : 24' NUMBER OF '. SAMPLES ANNUAL '. . . .-- i~~~;~~~i~;ff**-~?~~~~ ~x'.?'''>;:''..''.^i1!..,..~.., MINIMUM 9 _\flli~~I~~li 24 : ANNUAL . . .., AVERAGE 1 5 - 6046-1.76 .. ". .. 00 CENTRAl CONTRA COSTA SANITARY DISTRICT t'age No'. 36 o'f ~'J lADLE 2Jl , ANNUAL' flECEIVING WATEn DATA SUMMARY .' AVERAGE \'EAR .. , IXVr;I-N c;AT'IIKU IIIN % MAXIMUM MINIMUM AVERAGE 1984. PARA:'.1ETER DISSOLVED CONCENTRATION mlll MOi'JTH r,'AXIMUM rmNIMUM NUMeER OF SAMPlES JANUARY," , .' '. APRIL - '. .. : '. '. '. . '. .. MAY '. :. . 0'. . . ~," '. " -; . J; . 10.4 10.5 94 92 . ...:- . . '. : . '. 9.3 9 ..6~, - 100 96 , .' . " . . 1. FEBRUARY ro.~' , . : 93 6 " ,.J.' . MARCH I' ......1 '. . . . . . .99 6 . ~.~. . . . " ,.- .- 9..8 '. .' ,,' , JUNE , ." .' -; '0 ,- '. .. JULY - .: , ; '. 'AUGUST. . - o' " '. ~ SEPTEMBER . 8.9.": .8.4 . OCTOBER ., " , , NOVEMBER 8.7 105 99 10l 6 DECEMBER 10 1 . 9 9 10.0 8.8 86 87 6 - I ANNUAL MAXIMUM l ! 10.6 M......... ....,.. ....w.....,-......... .~1*1~~~~j~~j~tj~~~ti:ltil[!~iI!Jr*~ lOT Al ~,~.i.~...~.~.~f.r:t~..~.:.~.t!'i:l.t.i.t,.~:~...i:~:,.t.:j:f...t:;:l:'~,~.;.l:;:l.~.'.~.~:i.~.l..;.'. :.t.~.~.i.f::~:t.r:~.;.;t.'.;.l..i.:.'~.~.l.i..~.~.i.1.i.:..~:::.l..l.:.!:;:~:~.:.!...t.f.i.I:l.t.L.:.t.~.~:r.l.;:~:. 1 0 5 ':I~:%::::~:t;~;::~{~::~t~~~$:~:::;.~~~~~l~& rJUMBER OF "'~}~" ;"'-: ~"H'~. '''. . ~*:l~@~~tUmif~~~~~~~j~j~~J.M SAMPLES ~.'~..~~.'.,.'..~.:.~L:.,.;.'..~:.~..:.~.~.:...~:.~:~.~"~,~,~",,,:~,:::.~.:.;:'.r::.:~:.:.h.::~.~.'::.~.~"",,:,:;,',~:,',;:~,~:".;:'.:.::~~:.:'.:.~:.:r:.~:::~:::.::.:.~:"t:::.~.i.:~:~::r:~,:!:i .:.~.l::t:.t.:~....~.:~...:~.:.r:~:.~...~:.:~:...~..:~:.r..:.~f.:>:.::~:.:!.~:::.;..:~.:.:.~:~:.k::.~..:.t:;:;::~::;:::.t::~:~..,~.~,).: . ~~r:":J~:":: ,: ~.~ 86 .. 24 9.7 .. 96 ........\.,. ANNUAL AVERAGE :' . 8:4 '.. ANNUAL 'AINIMUM .. . PARAMETER MONTH DECEMBER ANNUAL MAXIMUM ANNUAL MINIMUM ANNUAL AVERAGE :....-_..~..-..---~- ".:"--'''-.--'-",,-- ~'''_.' ".-_. -..._--._-_..-.--~-------....._-_..__. . . P.age No. 37 of 50 CENT, CONTRA COSTA SAJ'lJITARY DISIn TABLE Z5 . ANNUAL' RECEIVING WATER DATA SUMMARY .. YEAR 1984 -.. . . . . TCTAl COLIFORM MPN/l00ml NUMf:ER OF MAXIMUM MINIMUM AVERAGE Mt\XIMUM MINIMUM AVERAGE SAMPLES 540 170 365 ~ : .. 540" . 23 .. 177 6 I~_" TOTAl .;.:;.......,.;>>.,.."-,. ...'1('.' : NUMBER 0 :.":::;~~~~~:. .. ... ... ;. F . ~~~;~;~:;:: < SAMPLES .. 24 6046-1.76 ..... ...________...____--------.--L----...-.....--.--.- JANUARY . " "" FEBRUARY . ":-35 30, '. ; .: . :'- '1 . .... . MARCH ." ," .:.-\; - ..- . -: APRIL .... .'._~ ,. I .~ . . " ; '. - . PARAMETER MO:-JTH MAY JUNE JULY AUGUST ,- SEPTEMBER OCTOBER NOVEMBER DECEMBER ANNUAL MAXIMUM ANNUAL MINIMUM ANNUAL AVERAGE -_._~. --..'- -.- :...-u:>-_ , '_. Page No'. 38 o"f 5') CENT CONTRA COSTA SANITARY DISTR tABLE '26 " AflJNUAl RECEIVING WATER DATA SUM~I'AlW 1984 YEAR .. COLOR UN ITS TU NUM3Ei\ OF SAM?lES MAXIMUM MINIMUM AVERAGE tnt\XIMUM MINIMUM AVERAGE l . 31 17 6 '15 20 " '. .: ..:. ....-. . .;, r .... .~.....50 50 50" .-:. ~6 6 18 13 -:.:. '. :.' :,'~..- ...:' " :. . '.. ~. ". , " . " .' .... 40 '. 18 . . 6 30 37 10 13 40 100 '90 93 6 .30 32 24 6046-1.7& o. . .TABLE 27 Page No. 39 of 50 WALNUT CREEK BACKGROUND DATA YeA Time D. o. T. S. S. B.O.D. Col Horm Time D. O. T. S. S. B. O. D. Col Harm cIte Hours mqll mQIl mQIl tv'PN/100ml Hours moll mQIl mQIl r.~PN/10Om' )/19 1615 9.7 29 5 . 1600 . 1645 9.7. 731; 4 2400 D/221 1330 10.0 26 5 ? 2400 1400 9.8 It It 5 240 1510 10.2 13 2 :- 2400 1530 9.4 30 3 2400 '. 0/231 0/21; 1500 10.4 6 10 :> 2400 1500 8.6 28 6 350 .- 0/25 1400 11.4 8 5 .:> 2ltOO 1ltOO .9.2 53 8 .350 -:;:0 0/26 1520 11.0 10 4 > 2400 1520 9.2 46 6 2ltoo :<= 0/29 1440 ' 12. 1 20 2 9200 1"50 10.0 5" .3 790 0/30 1330 12.0 5 5 5ltOO k3"9 12.6 66 .6 1300 10/31 1300 12.6 8 6 3500 13"0 12.7 52 7 3500 11/1 1330 11.8 10 4 2400 1330 12~4' " 57 11 1580 ,1/2 1330 13.1 16 Ii 1300 1330 10.6 82 3 1300 i 1/5 1930 10.l . '20 2 . . 1430 13.1 63 "1 5400' 9200 11/6 1330 . . 9.5 '56 5 ~ .24000 1330 12.8 50. 9 3500 11/7 1400 9.8 33 2 16000 1"00 9.2 15 1 1300 11/8 1330 9.7 396+ 6 ~ 2"000 1330 8.8 112+ 5 16000 11/9 1230 9.8 105+ 3 ~ 2ltOOO 1230 9.4 50 2 2ltOOO i 1/12 1300 9.8 74 " .::: 2ltOOO 1300 9.3 57 3 9200 i 1/13 1230 9.9 286+ 4 >: 24000 1230 9.3 172+ 5 2ltOOO 11/14 12"5 10.2 102+ 2 16000 1245 9.0 70 6 24000 1/15 I 1300 10.2 62 1 5400 1300 8.6 41 5 16000 ~/~6-{ 1 300 9.9 227+ 4 16000 1300 8./l 80+ 6 I 211000 i 1/19 1400 10.2 lt5 2 5400 1400 9.4 73 It 16000 11/22 1230 10.6 22 3 2ltoo 1300 10.0 60 3 2200 UPSTREN~ Dm/NSTREM.t j 1/23 1245 10.7 13 1 1100 1245 10.0 46 2 490 ~ Tide high - very muddy + Muddy due to storm runoff Page No. 40 of 50 ..-. ._"""- -YIP'!!, DL' r;liO\"m AND CALDWELL .~,. ------_.-- --.------_. .-- ---..------- -------- ANALYTICAL LABORATORIES -._- E84-7-14 JuLy 30, 1984 ~r. Bhupinder DhaLiwaL CelltraL Contra Costa Sanitary District 1250 Springbrook Road, Box 5266 Walnut Creek, CaLifornia 94596 Page 2 of 6 PESTICIDE ANALYSIS OF WATER: EPA METHODS 608, 614 and 632 Date Sampled: 6/28-29/84 Date ~eceived: 7/02/84 Date Extracted: 7/06/84 Log Number Sample Description Results: )Jg/L 7-14-1 Aqueous Sample; Influent; 24 Hour Composite None Detected I" 7-14-2 Aqueous Sample; EffLuent; 24 Hour Composite None Detected 7-14-3 Aqueous'Sample; EffLuent Duplicate; 24 Hour Composite None Detected The iollowing compounds would have been reported had they appeared at or above their respective detection'limits as indicated in.Attachment 1. 1~5 POWEll STREET EUERYVlllE, CA 946Ol! (415)428-2300 Page No. 41 of 50 ATTACHMENT 1 Organochlorine Pesticide and PCBls EPA M2thod 608 Aldrin Alpha-BHC Beta-BHC Oelta-BHe Gamma-BHC Chlordane 4,41-000 4,4-00E 4,4'-ODT Dieldrin EndosulfanI Endosulfan II Endosulfan sulfate 0.05 0.05 0.05 0.05 0.05 0.1 0.05 0.05 0.1 0.05 0.05 0.05 0.1 Endrin Endrin aldehyde Heptachlor Heptachlor epoxide Toxaphene Aroclor 1016 Aroclor 1221 Aroc1or 1232 Aroclor 1242 Aroclor 1248 Aroclor 1254 Aroc1or 1260 0.1 0.05 0.05 0.1 1 0.3 0.3 0.3 0.3 0.3 0.3 0.3 :> Organophosphorus Pesticides EPA Method 614 Azinphos methyl 10 Demeton 0.5- Diazinon 0.1. Disulfoton 0.2 Ethion 0.1 Malathion 0.2 Parathion ethyl 0.1. Parathion methyl 0.1. Carban~te and Urea Pesticide EPA Method 632 ~ Aminocarb 10 Fenuron . 10 Monuron 10 Barban 10 Fenuron-TCA 10 Monuron-TCA 10 Carbaryl 2 Fluometuron -10 Neburon 10 Carbofuran 10 Linuron .01:0 Oxamyl 25 Ch1orpropham 10 Methiocarb 10 Propham 10 Diuron 10 . Methomyl 25 Propoxur 10 Mexacarbate 10 Siduron 10 S~~iep 25 Page No. 42 of 50 . ~ BROWN AND CALDWELL . ..I. ANALYTICAL LABORATORIES -----...-------.-.-.-------.-. - July 30, 1984 E84-7-14 Mr. Bhupinder DhaLi waL Central Contra Costa Sanitary District 1250 Springbrook Road, Box 5266 WaLnut Creek, CaLifornia 94596 Page 3 of 6 GAS CHROMATOGRAPHY/MASS SPECTROMETRY RESULTS - EPA METHOD 624 This method will analyze for all priority pollutants stated in the EPA Method 624 of tQe July, 1982, Methods for Organic Chemical Analysis of Municipal and lndustrial Wastewater, EPA-600/4-82-057. In addition, all other peaks appearing in the recon- structed ion chromatogram (RIC) above the detection limit will be quantitated based on the nearest internal standard. Hard copies of RICs and compound identifications are available upon request. Be Log Number E84-7-14-1: lnfluents; Flow Composite of Discrete Grab Samples l' Date Sampled: 6/28-29/84. Date Received: 7/02/84 Date Extracted: 7/05/84 Compound Results: ).Jg/L PURGEABLE PRIORITY POLLUTANTS: D;chloromethane (methylene chloride) Chloroform 1,1,1-Trichloroethane (TCA) Trichloroethylene (TCE) Benzene Tetrachloroethylene (PCE) Toluene Ethylbenzene 120 5 2 3 15 .9 46 14 PURGEABLE NON-PRIORITY POLLUTANTS:" . Xylene isomers 90 1255 POWEll STREET EMERYVlllE. CA 94608 (415) 428-2300 Page No. 43 of 50 11r. Bhup;nder Dhal iwal July 30, 1984 Page 4 of 6 Be Log Number E84-7-14-2: . Effluent; Flow Composite of Discrete Grab Samples Date Sampled: 6/28-29/84 Date Received: 7/02/84 Date Extracted: 7/05/84 Compound Resul ts: }Jg/L PURGEABLE PRIORITY POLLUTANTS: Dichloromethane (methylene chloride) Ch l'oroform Tetrachloroethylene (PCE) 21 4 1 Be Log Number E84-7-14-3: Effluent Duplicate; Flow Composite od Discrete Grab Samples Date~Sampled: 6/28-29/84 Date Received: 7/02/84 Date Extracted: 7/05/84 Compound Results: }Jg/L PURGEABLE PRIORITY POLLUTANTS: Dichloromethane (methylene chloride) Chloroform Tetrachloroethylene (PCE) 24 4 1 Other Purgeable Priority Pollutants would have been reported had they appeared at or above th~ following detectiQn limits; (Concentration: ~g/L) Purgeable Priority Pollutants (except' those listed below): 1 Acrolein: 10 Acrylonitrile: 10 BROWN AND CALDWELL 12~ POWELL STREET EMERYVILLE. CA 94608 (415) 428-2300 . 373 SOUTH FAIR OAKS AVENUE PASADENA. CA 91105 (818) 795.7553 (213) 681-4655 Page No. 44 of 50 Mr. Bhupinder Dhaliwal July 30, 1984 Page 5 of 6 GAS CHROMATOGHAPHY/MASS SPECTROMETRY RESULTS-EPA METHOD 625 This method will analyze for all priority pollutants stated in the EPA Method 625 of the July 1982, Methods for Organic Chemical analysis of Municipal and Industrial Wastewater, EPA-600/4-82-057. In additiQn, the five .most prominent peaks appearing in the reconstructed ion chromatogram (RIC) above the detection limit will be quantitated based on the nearest internal standard. Hard copies of RICs and compound identifications are available upon request. BC Log Number E84-7-14-1: Influent; Flow Composite of Discrete Grab Samples Date Sampled: 6/28-29/84 Date Received: 7/02/84 Date Extracted: 7/10/84 Compound Resul ts: JJg/L EXTRAcTABLE PRIORITY POLLUTANTS: 1,3-Dichlorobenzene Naphthalene Phenol 1 5 56 SEMIQUANTIFIED COMPOUNDS:a C1gH180 ~lcoh~l Do ecanOlC aCld > C12- Unsaturated hydrocarbon . Hexaaecanoic acid > C16 - Fatty acid 100 30 100 1000 1000 BC Log Number E84-7-14-2: Effluent; Flow Composite of Discrete Grab Samples Date Sampled: 6/28-29/84 Date Received: 7/02/84 Date Extracted: 7/10/84 . Compound Results: ,ug/L EXTRACTABLE PRIORITY POLLUTANTS: None Detected BROWN AND CALDWELL '2~ POWELL STREET EMERYVILLE. CA 94608 (4151428.2300. 373 SOUTH FAIR OAKS AVENUE PASAD:NA ell. 91105 (818)795.7553 (<'13)681.(655 Page No. 45 of 50 ~lr. BhuI).j nder Dha l i wa L ,ILJL)' 30, 1984 ra~JE.) 6 of 6 DC Log Number ES4-7-14-3: Effluent Dupl icate; FlOl.J Composite of Discrete Grab Samples Dnte Sampled: 6/28-29/84 Date Received: 7/02/84 Date Extracted: 7/10/84 Compound Results:)Jg/L EXTRACTABLE PRIORITY POLLUTANTS: None Detected aAll additional compounds were qualitatively identified by the data system. Quantification is based on comparison of total ion count of the compound with that of the nearest internal standard. :> Extractable priority pollutants would have been reported had they appeared at or above the following detection limits: (Concentration: )Jg/L) All base/neutrals (except those listed below): 1 All acids (except those listed below): 1 n-Nitrosodiphenyl amine: 100 Benzidine: 100 3,31-Dichlorobenzidine: 100 2,4-Dinitrophenol: 100 4-Nitrophenol: 100 'Reported by: Ji'lH: h t BROWN AND CALDWELL 1255 PO',:ELL STREET EMERYVILLE. CA 94608 (415) 428-2300 . 373 SOUTH FAIR OAKS AVENUE PASADENA CA 91105 (818) 195.7553 (213) 681455 [~ BROWN AND CAlDWEll- ANALYTICAL LABORATORiES November 12, 1984 Mr. Bhupinder DhaLiwaL Central Contra Costa Sanitary District 1250 Springbrook Road . Post Office Box 5266 Walnut Creek, California 94596 PESTICIDE ANALYSIS OF WATER: EPA METHODS 608, 614, and 632 Date SampLed: Date Received: Date Extracted: 10/10/84 10/11/84 10/15/84 Log Number SampLe Description I' 10-128-1 Fina l Effluent Page No. 46 of 50 E84-10-128 Page 2 of4 Results: "ug/L Gamma-SHe: 0.08 The following compounds would have been reported had they appeared at or above their respective detection limits as indicated in Attach~e~t 1. 1255 POWELL STREET EMERYVILLE. CA 94608 (415) 428.2300 Page No. 47 of 50 Attac~rne!1t I Oetectic~ Liffiits: pg/L o~ganochlorine Pesticide and PCB'S EPA Met~cd 608 Aldrin Alpha-BHC Beta-BHC Oelta-BHC Gamma-BHC Chlordane 4,4'-00D 4,4-0DE 4,4'-ODT Dieldrin EndosulfanI Endosulfan II Endosulfan sulfate 0.05 0.05 0.05 0.05 0.05 0.1 0.05 0.05 0.1 0.05 0.05 0.05 0.1 Endrin Endrin aldehyde Heotachlor Heptachlor epoxide Toxaphene Aroc1or 1016 Aroclor 1221 Aroc1or 1232 Aroclor 1242 Aroclor 1248 Aroclor 1254 Aroclor 1260 0.1 0.05 0.05 0.1 1 0.3 0.3 0.3 0.3 0.3 0.3 0.3 7 Organophosphorus Pesticides EPA Method 614 Azinphos methyl 10 Oemeton 0.5 Diazinon 0.1 Disulfoton 0.2 Ethion 0.1 Malathion 0.2 Parathion ethyl 0.1 Parathion methyl 0.1 Carbamate and Urea Pesticide . EPA Method 632 Aminocarb 10 Fenuron 10 Monuron 10 Barban . 10 Fenuron-TCA 10 Monuron-TCA 10 Carbaryl 2 Fluometuron 10 Neburon 10 Carbofuran 10 Linuron 10 Oxamyl 25 Chlorpropharn 10 Methiocarb 10 Propham 10 Oiuron 10 Me thorny 1 25 Propoxur 10 Mexacarbate 10 Siduron 10 Sr.-/ep 25 Page No. 48 of 50 [(b~ BROWN AND CALDWELL ~ <~ -.~ ANALYTICAL LABORATORIES ------. November 12, 1984 E84-10-128 r-1r'. Bhupi nde r Dha l i I-Ja l Central Contra C0sta Sanitary District 1250 Springbrook Road ' Post Office Box 5266 Wulnut Creek, California 94596 Page 3 of 4 GAS CHROMATOGRAPHY/MASS SPECTROMETRY RESULTS - EPA METHOD 624 This method will analyze for all priority pollutants stated in the EPA Method 624 of the July, 1982, Methods for Organic Chemical Analysis of Municipil and Industrial Wastewate~, EPA-600/4-82-057. In addition, all other peaks appearing in the recon- structed ion chrcmatogr'am (RIC) above the detection limit will be quantitated based on the nearest internal standard. Hard copies of RICs and compound identifications are available upon request. l' BC log Number E84-10-128-1: Final Effluent Date Sampled: Date Received: Date Extracted: 10/10/3'. 10/11/84 10/22/84 Compound Results: )Jg/L PURGEABlE PRIORITY POLLUTANTS: Dichloromethane (methylene chloride) Chloroform 42 3 SHllQUAtJT IF I ED CorlPOUi~DS: a Trichlorofluoromethane 3 aThis additional compound was qualitatively identified by the data system. Quantification is based on comparison of total ion count of'the compound with that of the nearest internal standard. Other Purgeable Priority Pollutants would have been reported had they appeared at or above the follOl.Jing detection limits: (C,:mcentration: )Jg/U Purgeable Priority Pollutants (except those listed below): 1 Acrolein: 10 Acrylonitrile: 10 1255 POWELL STREET E"'ERYVILLE, CA 94608 (415) 428-2300 Page No. 49 of 50 ~ BROWN AND CALDWELL r ANALYTICAL lABORATORiES November 12, 1984 E84-10-128 Mr. Bhup;nder Dhaliwal Central Contra Costa Sanitary District 1250 Springbrook Road Post Office Box 5266 Walnut Creek, Califo~nia 94596 Page 4 of 4 GAS CHROMATOGRAPHY/MASS SPECTROMETRY RESULTS - EPA METHOD 625 This method will analyze for all priority pollutants stated in the EPA Method 625 of the July, 1982, Methods for Organic Chemical Analysis of Municipal and Industrial Wastewater~ EPA-600/4-82-057. In addition, the five most prominent peaks appearing in the reconstructed ion chromatogram (RIC) above the detection limit will be quantitated based on tbe~nearest internal standard. Date Sampled: Date Received: Date Extracted: 10/10/84 10/11/84 10/16/84 Compound ResuL ts: J,lg/L EXTRACTABLE PRIORITY POLLUTANTS: Phenol 1 SEMIQUANTIFIED COMPOUNDS:a Tetrahydro-1,1-dioxide thiophene 30 aThis additional compound was qualitatively identified by the data system. Quantification is based on comparison of total ion count of the compound with that of the nearest internal standard. Extractable Priority Pollutants would have been reported had they appeared at or above the. following detection limits: (Concentration: pg/L) All base/neutrals (except those listed below): 1 All acids (excep~ those listed below): 1 Benzidine: 100 3,31-Dichlorobenzidine: 100 2,4-Dinitrophenol: 100 4-Nitrophenol: 100 4,6-Dinitro-o-cresol: 100 Reported by: Jam~s M. Hatfield Laboratory Director ~5 POWELL STREET EMERYVILlE. CA 94608 (4151428.2300 Page No. 50 of 50 -'"~.;"""."""-"'""""" -_.."',....,~... '-'.-.~'" "., .'-.-- ~..,_..,~ .__.,,,,,.-..~-.......,..,._.. .",. --, Central Contra Costa Sanitary District BOARD OF DIRECTORS No.VIII. LEGAL/LITIGATIO 1 3 7 85 POSITION PAPER VIA: ROGER J. DOLAN General Manager-Chief Engineer DATE February 28, 1985 SUBJECT TYPE OF ACTION CONSIDER PROPOSED SETTLEMENT OF MARC BERKE VS. CCCSD LAWSUIT - SUPERIOR COURT, CONTRA COSTA COUNTY CASE #252960 APPROVE SETTLEMENT OF LAWSUIT SUBMITTED BY Jack E. Cam bell, Admin. 0 erations M r. INITIATING DEPT./DIV. Administrative/Risk M mt. & Safet ISSUE: A proposed settlement of the Marc Berke vs. CCCSD lawsuit has been negotiated with Mr. Berke and his attorney. Because the settlement amount exceeds the staff's delegated authority, approval by the Board is requested. BACKGROUND: This case was presented to the Board in closed session on February 21, 1985. At that time the plaintiff and defense positions were discussed along with the results of the District's investigation and the reports of Mr. Berke's injuries. A Bench-Bar Settl ement Conference was hel d on February 25 in Department 1 of the Superior Court with Judge McGrath presiding. This Panel heard the case presentations from each side, considered comparative negligence issues, reviewed the case value, and conducted a negoti ati on between the Di strict and Mr. Berke's representatives. Agreement was reached at a settlement figure of $50,000. The Bench-Bar Panel and District Staff recommend approval; Mr. Berke has agreed to accept the amount in full settl ement of hi s case. If the Board approves the recommended settlement, a transfer from the 0 & M Contingency Account is requested. RECOMMENDATION: Approve the District's payment of $50,000 in settlement of the Marc Berke vs. CCCSD accident injury lawsuit. Authorize payment of this amount from the District's Contingency Account. REVIEWED AND RECOMMENDED FOR BOARD ACTION IATING DEPT./DIV. ee- JEC ~ PM