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TABLE 4- SEWER DISCHARGE PERMIT <br /> FORMER REGAL STATION 603 - EXXON SERVICE STATION <br /> WICKLAND PROPERTIES GROUND WATER TREATMENT <br /> 6425 PACIFIC AVENUE AND DOUGLAS ROAD <br /> STOCKTON CALIFORNIA 95203 <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 1993 <br /> TRACE METALS mg/L mg/L mg/L mg/L mg/L <br /> CADMIUM TTLC 2 .0 01 NS c0 01 cO 05 <br /> CHROMIUM METALS 5 c0 02 NS c0 02 cO 05 <br /> COPPER 6 c0 09 NS c0 09 e0 1 <br /> LEAD 2 c0 05 NS c0 05 e0 1 <br /> NICKEL 5 rO 02 NS c0 02 c0 1 <br /> ZINC 7 0 21 NS 0 33 0 11 <br /> TOTAL PETROLEUM 8015M <br /> HYDROCARBONS 100 14 ND 14 16 <br /> gasoline 13 ND ND 3 <br /> kerosine 1 ND 3 NA <br /> diesel ND ND 11 13 <br /> TOTAL TOXIC 624/625 <br /> ORGANICS OR 602 4 57 3 26 ND ND 0 3988 <br /> l <br /> Benzene e0 05 ND ND 0 0031 <br /> Toluene 0 3 ND ND 0 0120 <br /> Ethylbenzene <0 05 NO ND 0 0037 <br /> total Xylenes 1 6 ND ND 0 3800 <br /> 2,4 Dimethylphenol 0 7 NS NS NS <br /> 2-Methylnaphthalene 0 06 NS NS NS <br /> N Nitrosodimethylamine 0 013 NS NS NS <br /> Naphthalene 0 17 NS NS NS <br /> Phenol 0 O84 NS NS NS <br /> 2-Methylphenol 0 26 NS NS NS <br /> 4-Methylphenol 0 073 NS NS NS <br /> TEMPERATURE 150 F S5 F 55 F 56 F 70 6 <br /> pH S 0 - 10 0 7 64 7 64 7 64 6 BB <br /> LEL 10w 0-2k ok Ot c11 <br /> WATER DISCHARGE 1200 GPD 800 600 1287 984 7 0 <br /> ACCUMULATIVE DISCHARGED GAL 800 1400 2687 3671 7 3671 7 <br /> OTHER ANALYTES DETECTED 624/625 LD50 <br /> Bis(2-ethylhexhy)Phthalate 31000mg/Kg 7 NS NS NS <br /> Note OTHER ANALYTES DETECTED are not listed under Title 22 or in CRWQCB-CVR "A Compilation of Water Quality <br /> goals", February, 1991 Other refrences used Hawley Condesed Chemical Dictionary and NIOSH Chemical Hazards <br />