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-SEWER DISCHARGE PERMIT- TABLE 3 <br /> REGAL STATION 603 - EXXON SERVICE STATION <br /> 6425 Pacific Avenue, Stockton, CA. 95203 <br /> WICKLAND PROPERTIES GROUNDWATER TREATMENT <br /> ANALYTES EPA MAXIMIUM <br /> METHOD ALLOWED <br /> ALL CONCENTRATION ARE IN mg/L (ppm) <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 OCT. 93 <br /> TRACE METALS mg/L mg/L mg/L mg/L mg/L mg/L <br /> CADMIUM TTLC 2 <0.01 NS <0.01 <0.05 <0.05 <0.01 <br /> CHROMIUM METALS 5 <0.02 NS <0.02 <0.05 <0.05 <0.05 <br /> COPPER 6 <0.09 NS <0.09 <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 <0.1 <0.05 <0.05 <br /> ZINC 7 0.21 NS 0.33 0.11 <0.05 <0.05 <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 /> TOTAL TOXIC 624/625 <br /> ORGANICS OR 602 4.57 3.26 ND ND 0.3988 0.0008 0.0645 <br /> Benzene c0.05 ND ND 0.0031 ND 0.0017 <br /> Toluene 0.3 ND ND 0.0120 0.0003 0.0034 <br /> Ethylbenzene <0.05 ND ND 0.0037 0.0005 0.0054 <br /> total Xylenes 1.6 ND ND 1 0.3800 ND 0.054 <br /> MTBE (8260 METHOD) *602 <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 - 10.01 7.64 7.64 7.64 6.88 7.5 6.98 <br /> LEL IOk 0-2% Ok 0% <1' <lk <lk <br /> WATER DISCHARGE 1200 GPD 800 600 1387 984.7 0 800 0 700 0 0 <br /> ACCUMULATIVE DISCHARGED GAL. 800 1400 2687 3671.7 3671.7 4471.7 4471.7 5171.7 5171.7 5171.7 <br />