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TABLE 4• SEWER DISCHARGE PeRMIT <br /> FORMER REGAL STATION 603 - EXXON SERVICE STATION <br /> WICKI,AND PROPERTIES GROUND WATER TREATMENT <br /> 6425 PACIAIC AVENUE AND DOUGLAS ROAD <br /> 5TOCKTON, CALIFORNIA 95203 <br /> TREATED GROUNA HATER INTERIM SAMPLING <br /> ANALYTES EPA MAXIMIUM s <br /> METHOD ALLOWED <br /> s 12101/92 01/21/91 01/24/93 04/01/93 MAY 93 06/14/93 JULY 93 08/23/93 SEPT 93 <br /> DATE SAMPLED <br /> TRACE METALS mg/L s mgJL mg/L mg1L m9/L mg/1' � L <br /> s c0 01 NS �0 01 <br /> CO 05 c0 05 50 01 <br /> CADMIUM TTLC 2 <br /> CHROMIUM METALS 5 <br /> co 02 NS 40 02 c0 05 co 05 c0 OS <br /> COPPER 6 c0 09 <br /> 6S e0 09 t0 1 s0 05 e0 05 <br /> 2 <br /> c0 05 NS r0 OS 40 1 co 05 40 1 <br /> LEAD i0 02 NS 40 02 a0 1 c0 05 <o 05 <br /> NICKEL 5 <br /> 7 0 11 <br /> 4S 0 33 0 11 is 45 400 OS <br /> ZINC <br /> TOTAL PETROL£C04 8015M 0 62 <br /> 300 34 NO 14 16 I1 2 <br /> HYDROCARBONS 1 5 0 2 <br /> 17 n*J ND 3 <br /> gasoline s 1 ND 3 NA NA NA <br /> kerosine Nb NO 11 13 9 7 0 44 <br /> diesel <br /> s <br /> TOTAL ,TOXIC 624/625 s LSD � 0 3938 0 D006 o 0645 <br /> OR 602 s 4 57 3 26 <br /> ORGANICS hJ D 0017 <br /> c0 OS NDND 0 0031 <br /> Benzene ND ND 0 0120 0 0003 0 0034 <br /> 0 ; <br /> 7olcsenes c0 05 *D ND 0 0037 0 0005 0 0054 <br /> Eth lbenzene sy D 059�'D hD 1rA <br /> 1 5 0 3800 <br /> total Xylenes NS NS <br /> D 7 NS NS 1:5 <br /> 2,4 Dimethylphenol is NS <br /> 0 05 !.S N5 NS <br /> 2-14ethylnaphthalene NS NS <br /> 0 013 h5 N5 NS <br /> N Nitrosodimethylamine N3 <br /> D 17 h5 KS NS NS <br /> Naphthalene 0 064 45 hS NS hs NS <br /> Phenol NS NS $ <br /> 0 26 !.S NShS <br /> 2 methylphenol NS NS <br /> D 073 hS NS NS <br /> 4-Methylphenol <br /> 1SU F <br /> 55 F 55 F 56 F 70 6 80 F 90 F <br /> TEMPERATURE <br /> PH v 5 0 - 10 0 7 64 7 64 7 64 6 88 <br /> 7 5 6 98 <br /> lot 0-2t ct of <br /> 41% <14 cat <br /> LEL1200 GPD BOa 2267 984 7 0 Bary0 700 D <br /> WATER DISCHARGE <br /> 5;J <br /> SaO -.7J 2697 3671 7 3571 7 4471 7 1971 7 5173 7 5171 <br /> nCCLM131ATIVE DISCHARGED GAL <br /> OTHER ANALYTES DETECTED 624/625 LD50 <br /> 3i5(2-e[hylhexhy)Phthalatc <br /> 31000mg/!.g 7 45 NS N5 N$ <br /> OTHER ANALYTES DETECTED are net listed under Title 22 tr in CRWQC8-CVR "A Compilatxoss Of Water Orality <br /> Nate <br /> G enical Dlptianary and NI45H Chemical Hazards <br /> goals-, February, 1991 other refrenees used Hawley Condeaed <br /> LD50 lethal dose Sot survival ND below deteCton limits NS not analysed for <br /> mg/Kg milligrams per kilogram or mg/L milligrams per liter - parts per million Wrn) <br />