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TABLE 2 <br /> DOMESTIC WEL',CONCENTRATIONS <br /> In the vicinity of 2575 Country Club Boulevard <br /> Stockton,California <br /> Sample I Measured Corrected) SP TPPH B T E X MTBE Methanol ` Comments <br /> GW Depth GW Elev f , <br /> Date (ft) (ft) (ft) (ug/L) (ug/L) i (ug/L) (ug/L) I (ug/L) (ug/L) (ug/L) I <br /> 22-Dec-97 I NA NA I NA 1 <50 <0 50 1 <0 50 <0 50 1 <0 50 1 <2 5 <1000 Oxygenate Compounds by 8260 NO <br /> 29-Jan-98 NA NA NA 1 <50 I <0 50 1 <0 50 <0 50 <0 50 1 <2 5 <1000 Oxygenate Compounds by 8260 ND <br /> 23-Apr-98 NA NA �NA I <50 I <0 50 1 <0 50 I <0 50 <0 50 8 7 <1000 Oxygenate Compounds by 8260 NO <br /> Warman Pier,2468 Country Club Boulevard Referenced from Survey Marker(ft) 1390 <br /> 29-Jan-98 ; 922 468 000 NA I NA NA NA NA I NA NA <br /> 23-Apr-98 1063 327 000 NA I NA NA NA NA 1 NA NA <br /> Abbreviations <br /> <x=Not detected at detection limit of x <br /> TPPH=Total Purgeable Petroleum Hydrocarbons carbon range C6 to C12 by EPA Method 8015(Modified) <br /> (previously Total Petroleum Hydrocarbons as Gasoline) <br /> BTEX=benzene,toluene,ethylbenzene, and xylenes by EPA Method 8020 <br /> MTBE=methyl-tertiary-butyl ether by EPA Method 8020 <br /> SP=Separate Phase hydrocarbon <br /> NA=Not Analyzed or Not Measured <br /> Port=Indicates ground water sample collected at the well head sampling port <br /> Down=Indicates ground water sample collected inside the well with a bailer <br /> Oxygenate Compounds = tertiary-butanol(TBA),methyl-tertiary-butyl ether(MTBE),di-isopropyl ether(DIPE),ethyl tertiary-butyl ether(ETBE), <br /> and terttary-amyl methyl ether(TAME)by EPA Method 8260 <br /> 240-0783 <br />