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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 <br /> TRACE METALS mg/L mg/L mg/L mg/L mg/L <br /> CADMIUM TTLC 2 <0 01 NS <0 01 c0 05 <br /> CHROMIUM METALS 5 <0 02 NS <0 02 c0 05 <br /> COPPER 6 <0 09 NS <0 09 <0 1 <br /> LEAD 2 <0 05 NS <0 05 c0 1 <br /> NICKEL 5 <0 02 NS <0 02 <0 1 <br /> ZINC 7 0 21 NS 0 33 0 11 <br /> TOTAL PETROLEUM 6015M <br /> HYDROCARBONS 100 14 NO 14 16 <br /> gasoline 13 NO ND 3 <br /> kerosine 1 NO 3 NA <br /> diesel NO NO 11 13 <br /> TOTAL TOPIC 624/625 <br /> ORGANICS OR 602 4 57 3 26 ND NO 0 3988 <br /> Benzene <0 05 ND NO 0 0031 <br /> Toluene 0 3 NO NO 0 0120 <br /> Ethylbenzene <0 05 NO NO 0 0037 <br /> total Xylenes 1 6 NO NO 0 3800 <br /> 2,4 Dimethylphenol 0 7 NS NS NS <br /> 2-Methylnaphthalene 0 06 NS NS NS <br /> N Nltrosodimethylamine 0 013 NS NS NS <br /> Naphthalene 0 17 NS NS NS <br /> Phenol 0 084 NS NS NS <br /> 2-Methylphenol 0 26 NS NS NS <br /> 4-Methylphenol 0 073 NS NS NS <br /> TEMPERATURE 150 F 55 F 55 F 56 F 70 6 <br /> pH 5 0 - 10 0 7 64 7 64 7 64 6 s8 <br /> LEL 10V 0-24 0% 0% <11 <br /> WATER DISCHARGE 1200 GPD 800 600 1287 984 7 <br /> ACCUMULATIVE DISCHARGED GAL 800 1400 2687 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 Compilati <br /> goals" February 1991 Other refrences used Hawley Condesed Chemical Dictionary and NIO <br /> LD50 lethal dose 501 survival NO below detectors limits NS not analyzed for <br /> mg/Kg milligrams per kilogram or mg/L milligrams per liter . parts per million (ppm) <br /> 24 <br />