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f TABLE 2 CUMULATIVE SOIL SAMPLE ANALYTICAL RESULTS, FORMER EXXON RS 7-0137, 1605 SOUTH EL DORADO STREET,STOCKTON,CA Concentrations(mg/kg) Depth* Total " Total EDB/ Boring No Date (feet bgs) Benzene Toluene Ethylbenzene Xylenes TPH-g MTBE Oxygenates Ledd 1,2-DCA SB4-58 08/26/99 580 <0 002 <0 002 <0 002 <0 004 <0 400 <0 005 ND NA ND SBS-16 08/26/99 160 <0 002 <0 002 <0 002 <0 004 <0 400 <0 005 ND NA ND S135-31 08/26/99 31 0 <0 002 <0 002 <0 002 <0 004 <0 400 <0 0100 NA NA NA SBS-36 08/26/99 360 381 241 198 1,610 14,300 <25 ND NA ND SBS-48 08/26/99 480 <0 002 <0 002 <0 002 <0 004 <0 400 <0 0100 NA NA NA S135-53 08/26/99 530 <0 002 <0 002 <0 002 <0 004 <0 400 <0 005 ND NA ND SB6-16 08/27/99 160 <0 1 <0 002 <0 002 <0 004 <0 400 <0 005 ND NA ND SS6-26 08/27/99 260 <0 002 <0 002 <0 002 <0 004 <0 400 <0 0100 NA NA N 4 S136-36 08/27/99 360 <0 002 <0 002 <0 002 <0 004 0 501 <0 005 ND NA ND S136-46 08127/99 460 <0 002 <0 602 <0 002 <0 004 <0 400 <0 0100 NA NA NA SB7-16 08/27/99 160 <0 002 <0100 <0 100 0 569 832 <20 ND NA ND S137-26 08/27/99 260 <0 002 <0 002 <0 002 <0 004 <0 400 <0 0100 NA NA NA SB7-36 08/27/99 360 <0 002 <0 002 <0 002 <0 004 <0 400 <0 0100 NA NA NA S137-46 08/27/99 460 <0 002 <0 002 <0 002 <0 004 <0 400 <0 005 ND NA ND *=Soil Borings SB-1 and SB-2 were drilled at 30 degrees from vertical Sample depth in feet below ground surface is adjusted accordingly TPH-g=Total Petroleum Hydrocarbons as gasoline MTBE=Methyl t-butyl ether by EPA Method 8020 Modified or EPA Method 8021B,unless otherwise noted Oxygenate compounds=Tert-amyl methyl ether,Cert-butyl alcohol,di-isopropyl ether ethanol,ethyl Cert-butyl ether,methyl test-butyl ether by EPA Method 82608 EDB= 1 2-Dtbromoethane 1,2-DCA= 1,2-Dichloroethane NA=Not analyzed ND-Not detected feet bgs=Feet below ground surface mg/kg=MilIigranis per kilogram f 5proie[t5110137may[erSN plclosurei 1001sod xlslcum sail sample resul sl P ige 3 of 3