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{r <br /> f <br /> k <br /> I <br /> f <br /> - SEWER DISCHARGE PERMIT <br /> r FORMER REGAL STATION 60] - EXXON SERVICE STATION <br /> WICKLAND PROPERTIES GROUND SEATER TREATMENT 1 <br /> 6425 PACIFIC AVENUE AND DOUGLAS ROAD r <br /> STOCKTON. CALIFORNIA 95203 <br /> TREATED GROUND WATER INTERIM SAMPLING `r <br /> ANALYTES EPA MAXIMIUM JI <br /> METHOD ALLOWED 1 <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. I <br /> F TRACE METALS mg/L mg/L mg/L mg/L mg/L mg/L mg/L 1 <br /> CADMIUM TTLC 2 <0.01 NS 40.01 <0.05 40.05 <0.01 <br /> j CHROMIUM METALS 5 <0.02 NS 40.02 <0.05 <0.05 40.05 <br /> COPPER 6 <0.09 NS <0.09 40.1 <0.05 40.05 <br /> LEAD 2 30.05 NS 40.05 40.1 <0.05 <0.1 <br /> NICKEL 5 40.02 NS 40.02 <0.1 40.05 40.05 <br /> ZINC 7 0.21 NS 0.33 0.11 <0.05 40.05 <br /> TOTAL PETROLEUM 8015M <br /> HYDROCARBONS 100 14 ND 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 0.44 <br /> I <br /> TOTAL TOXIC 624/625 <br /> ORGANICS OR 602 4.57 3.26 ND ND 0.3988 0.0008 0.0645 <br /> Benzene 40.05 ND ND 0.0031 ND 0.0017 <br /> Toluene 0.3 ND ND 0.0120 0.0003 0.0034 4 <br /> { Ethylbenzene 40.05 ND ND 0.0037 0.0005 0.0054 rE <br /> total Xylenes 1.6 ND ND 0.3800 ND 0.054 <br /> 2,4 Dimethylphenol 0.7 NS NS NS NS' NS <br /> 7 2-Methylnaphthalene 0.06 NS NS NS NS NS <br /> N. Nitrosodi:nethylamine 0.013 NS NS NS NS NS <br /> Naphthalene 0.17 NS NS NS NS NS <br /> 1 Phenol O.064 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 00 F 90 F <br /> PH 5.0 10.0: 7.64 7.64 7.64 6.68 7.5 6.98 <br /> j LEL lot 0-2i 0t O% <lt <lt <lt I <br /> WATER DISCHARGE i 1200 GPD Boo 600 1287 984.7 0 800 0 700 <br /> ACCUMULATIVE DISCHARGED GAL. 800 1400 2687 3671.7 3671.7 4471.7 4471.7 5171.7 5171. <br /> i <br /> OTHER ANALYTES DETECTED 624/625 LD50 I�I <br /> f{. Bis(2-ethylhexhy)Phthalate 31000mg/Kg: 7 NS NS NS NS f <br /> f <br /> Note: OTHER ANALYTES DETECTED are not listed under Title 22 or in CRNQCB-CVR "A Compilation of Water Quality <br /> goals", February, 1991. Other refrences used: Hawley Condesed Chemical Dictionary and NIOSH Chemical Hazards <br /> NS not analyzed for. <br /> +i LD50 lethal dose 50t survival. ND below detecton limits. <br /> i mg/Kg milligrams per kilogram or mg/L milligrams per liter parts per million (ppm) <br />