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. -SEWER DISCHARGE PERMIT- <br /> FORMER REGAL STATION 603 - EXXON SERVICE STATI <br /> WICKLAND PROPERTIES GROUND HATER TREATMENT <br /> 6425 PACIFIC AVENUE AND DOUGLAS ROAD <br /> STOCKTON, CALIFORNIA 952Q3 <br /> TREATED GROUND WATER INTERIM SAMPLING <br /> ANALYTES EPA MAXIMIUM <br /> METHOD ALLOWED <br /> DATE SAMPLED 12/01/92 01/21/93 02/24/93 04/01/93 MAY 93 06/14/93 JULY 93 08/23/93 SEPT 93 <br /> TRACE METALS mg/L mg/L mg/L mg/L mg/L mg/L mg/L <br /> CADMIUM TTLC 2 <0 01 NS <O OS <0 05 <0 05 <O D1 <br /> CHROMIUM METALS 5 <0 02 NS <O 02 <0 05 <0 OS <0 05 <br /> COPPER 6 <0 09 NS e0 09 <0 1 <0 05 <0 05 <br /> LEAD 2 <0 05 NS <0 05 <0 1 <0 05 <0 1 <br /> NICKEL 5 <0 02 NS <0 02 <D 1 <0 05 <0 05 <br /> ZINC 7 0 21 NS 0 33 0 11 <D 05 <0 05 <br /> TOTAL PETROLEUM 8015M <br /> HYDROCARBONS 100 14 NO 14 16 11 2 0 62 <br /> gasoline 13 ND ND 3 1 5 0 2 <br /> kerosine 1 ND 3 NA NA NA <br /> diesel ND ND 11 13 9 7 D 44 <br /> TOTAL TOXIC 624/625 <br /> ORGANICS OR 602 4 57 3 26 NO ND 0 3988 0 0608 0 0645 <br /> Benzene <0 05 ND ND 0 0031 ND 0 0017 <br /> Toluene 0 3 ND ND 0 0120 0 0003 0 0034 <br /> Sthylbenzene c0 05 ND ND 0 0037 0 0005 0 0054 <br /> total Xylenes 1 6 ND ND 0 3800 ND 0 054 <br /> 2 4 Dimethylphenol 0 7 NS NS NS NS NS <br /> 2-Methylnaphthalene 0 06 NS NS NS NS NS <br /> N Nitrosodimethylamine 0 013 NS NS NS NS NS <br /> Naphthalene 0 17 NS NS NS NS NS <br /> Phenol 0 084 NS NS NS NS NS <br /> 2-Methylphenol 0 26 NS NS NS NS NS <br /> 4-Methylphenol 0 073 NS NS NS NS NS <br /> TEMPERATURE 150 F 55 F 55 F 56 F 70 6 80 F 90 F <br /> pH 5 0 - 10 0 7 64 7 64 7 64 6 88 7 5 6 98 <br /> LEL lot 0-2t Ot Oi <1% <lk 41% <br /> WATER DISCHARGE 1200 GPD 800 600 1287 9B4 7 0 SOO 0 700 D <br /> ACCUMULATIVE DISCHARGED GAL 800 14CO 2687 3671 7 3671 7 4471 7 4471 7 $171 7 5171 7 <br /> OTHER ANALYTES DETECTED 624/625 LD50 <br /> Sis(2-ethylhexhy)Phthalate 31000mg/Kg 7 NS NS NS NS NS <br /> i <br />