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TOE 1 <br /> WELL, CONCENTRATIONS <br /> Shell Oil Products Company <br /> 2575 Country Club Boulevard <br /> Stockton, California <br /> WIC#204-7524-3505 <br /> Sample Measured Corrected SP TPPH B I T E I X MTBE Comments <br /> Date GW Depth (ft) GW Elev (ft) (ft) (ug/L) I (ug/L) (ug/L) (ug/L) (ug/L) i (ug/L) <br /> 29-Mar-95 974 -786 091 NA NA NA I NA NA I NA Abandoned 5195 <br /> RW-1 A Top casing elevation (ft) 126 1I <br /> 27-Jul-95 1119 -987 008 NA NA NA NA NA NA <br /> 10-pct-95 1315 -1187 003 NA NA NA NA NA NA I <br /> 22-Jan-96 1140 -1014 000 110000 9300 12000 1800 8700 NA I <br /> 24-Apr-96 880 -752 003 NA NA NA NA NA NA <br /> Abbreviations <br /> NA=Not analyzed or not available <br /> (DUP)=Duplicate sample <br /> <x= Not detected at detection limit of x <br /> TPPH=Total Purgeable Petroleum Hydrocarbons carbon range 06 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 /> SP=Separate Phase hydrocarbon <br /> Note <br /> a=Depth to groundwater measurement and reference elevation datum is top of boot(adapted for vapor extraction) at well head <br /> b= Depth to groundwater measurement and reference elevation datum is notched/marked on top north side of well casing <br /> Elevation referenced to mean sea level If measurable product was noted, elevation corrected using hydrocarbon specific gravity of 0 8 <br /> I <br /> 96371 3 <br />