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TABLE 3 <br /> GROUND WATER ANALYTICAL DATA <br /> Former Shell Service Station <br /> 1267 Country Club <br /> Stockton,CA <br /> WIC# 204-7524-0204 <br /> Cad- Chro- Oil& <br /> TPPH TEPH B T E X MTBE mium mium Lead Nickel Grease Zinc Methanol Comments <br /> Sampie Date (TRP14) <br /> De th ft Sampled (u R.) (u IL) (u ) (u !L) (WIL) (u /L) (u ) Em ) (m 1L) (m 1L) (m ) (M91L) (M ) (m ) <br /> Liquid 15-Apr-97 15000t 2700 220 24 750 440 110 NA NA NA NA NA NA NA <br /> SB-2 <br /> Liquid 14-Apr-97 20000 250041 <br /> 940 370 470 3044 360 <0 020 11 <0 20 12 <50 1 6 I NA 1 2 Dichlomethane 51 ppb,All other VOCs ND Semivolable <br /> Organics 2 Methylnaphthalene 390 ppb,Naphthalene 350 ppb <br /> all others ND <br /> SB-3 <br /> Liquid 16-Apr 97 <50 430 <0 50 <0 50 <050 <0 50 <2 5 NA NA NA NA NA NA NA <br /> SB-4 <br /> Liquid I 16-Apr-97 1220001 110001 990 1 74 1 504 1 1800300 NA NA NA NA NA NA NA <br /> SB-5 1 1 1 <br /> Liquid 16-A r-97 38�11000 620 200 1700 7100 370 NA INA NA I NA NA NA NA MTBE by 8260 <50p b <br /> I <br /> CPT-1 4 <br /> 40 17-Feb-981 620 1 280 14 22 2 3 3 1 5 3 NA NA NA LNA <br /> NA NA <1 0 Oxygenate Compounds b EPA 8260 ND <br /> 50 17-Feb-98 <50 88 <0 50 <0 50 <0 54 <050 <2 5 NA NA NA NA NA <1 0 Oxygenate Compounds b EPA 8260 ND <br /> 64 17-Feb-98 <50 97 <0 50 <0 50 <0 50 <0 50 <25 NA NA NA NA NA <1 0 Oxygenate Compounds by EPA 8260 ND <br /> CPT-2 <br /> 40 17-Feb-98 680 420 21 57 26 36 86 NA NA NA NA NA NA <1 0 Oxygenate Compounds by EPA 8260 ND except MTBE 7 1 ppb <br /> 60 17-Feb-98 110 110 27 20 0 99 62 <2 5 NA NA NA NA NA NA <1 0 Oxygenate Compounds by EPA 8260 ND <br /> NPPHT =Total Purgeable Petroleum Hydrocarbons carbon range C6-C12 by Modified EPA Method 8015 <br /> TEPH=Total Extractable Petroleum Hydrocarbons carbon range C6 C12 by Modified EPA Method 8015 <br /> BTEX =benzene,toluene elhylbenzene xylene by EPA Method 8020 <br /> MTBE=methyl tertiary butyl ether by EPA Method 8020 <br /> NA=Not analyzed or not available <br /> 240 0943 t <br />