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-SEWER DISCHARGE PERMIT- TABLE 1 <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) #28 #29 #30 431 #32 #33 #34 #35 #36 <br /> DATE SAMPLED DEC. 97 JAN. 98 Feb-98 Apr-98 May-98 Jun-98 Jul-98 Aug-98 Sept. 98 <br /> TRACE METALS <br /> CADMIUM TTLC 2 <0.005 <br /> CHROMIUM METALS 5 0.07 <br /> COPPER 6 0.09 <br /> LEAD 2 0.05 <br /> NICKEL 5 0.06 <br /> ZINC 7 0.95 <br /> TOTAL PETROLEUM 8015M <br /> HYDROCARBONS 100 4.79 9.49 12.17 3.87 <.05 26.4 <0.05 <br /> gasoline 0.09 4.19 0'.17 0.17 c0.05 2.4 c0.05 <br /> kerosine <0.05 8.1 12 3.7 <br /> diesel 4.7 1.2 <0.05 24 <0.05 <br /> TOTAL TOXIC 624/625 <br /> ORGANICS - OR 602 4.57 0.0151 0.0359 0.0048 0.0863 0.028 0.503 <0.0005 <br /> Benzene <0.0005 0.001 ND 0.0042 <0.0005 1 0.003 <0.0005 <br /> Toluene 0.0012 0.011 ND 0.029 <0.0005 0.085 <0.0005 <br /> Ethylbenzene 0.0009 0.0049 0.0018 0.0031 <0.0005 0.054 <0.0005 <br /> total Xylenes 0.013 0.019 0.003 0.05 <0.001 0.29 <0.001 <br /> MTBE (8260 METHOD) *602 ND 0.008* 0.028* 0.071* <0.0005 <br /> 2,4 Dimethylphenol ND <br /> 2-Methylnaphthalene ND <br /> N. Nitrosodimethylamine ND <br /> Naphthalene ND <br /> Phenol ND <br /> 2-Methylphenol ND <br /> 4-Methylphenol ND <br /> TEMPERATURE 150 F 55 80 80 76 85 96 98 <br /> PH 5.0 - 10.0 6.78 1 6.78 1 7.2 16.9 7 7 8 <br /> LEL 10% <1 <1 <1 <1 <1 <1 <1 <br /> WATER DISCHARGE 1200 GPD 1000 1000 1000 1000 0 0 1000 1000 1000 <br /> ACCUMULATIVE DISCHARGED GAL. 13021.7 14021.7 15021.7 16021.7 16021.7 16021.7 17021.7 18021.7 19021.7 <br />