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•f, <br /> TAVE 1 <br /> WELL CONCENTRATIONS <br /> Shell Oil Products Company <br /> 3725 Tracy Boulevard <br /> Tracy, California <br /> WIC#204-7884-0901 <br /> Sample Measured Corrected SP TPPH B T E X MTBE Methanol Comments <br /> GW Depth GW Elev <br /> Date (ft) (ft) (ft) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) (ug/L) <br /> 28-Aug-90 NA NA NA <50 <0 5 <0 5 <0 5 <0 5 1 NA NA k <br /> 19-Nov-90 NA NA NA <50 <0 5 <0 5 j <0 5 <0 5 NA NA <br /> 26-Feb-91 995 8834 000 <50 <0 5 <0 5 <0 5 <0 5 NA NA <br /> 17-May-91 1021 8808 I 000 <50 <0 5 <0 5 <0 5 <0 5 NA ' NA <br /> 20-Aug-91 1071 8758 000 <50 <0 5 <0 5 <0 5 <0 5 i NA NA <br /> 21-Nov-91 ; 1046 8783 I 000 r <50 <0 5 <0 5 <0 5 <0 5 NA NA <br /> 14-Feb-92 952 8877 000 <50 <0 5 <0 5 <0 5 <0 5 I NA NA <br /> 20-Feb-93 808 9021 000 <50 <0 5 <0 5 <0 5 <0 5 NA NA 1 <br /> 15-Feb-94 999 8830 000 <50 <0 5 <0 5 <0 5 <0 5 ; NA NA <br /> 23-Feb-95 962 8867 000 <50 <0 5 <0 5 <0 5 <0 5 NA NA <br /> 29-Feb-96 852 8977 i 000 <50 <0 5 j <0 5 <0 5 <0 5 NA NA <br /> 30-Apr-96 1001 8828 000 <50 <0 5 j <0 5 <0 5 <0 5 NA NA <br /> 20-Aug-96 11 16 8713 000 <50 <0 50 <0 50 <0 50 <0 50 30 NA <br /> 07-Feb-97 894 8935 000 <50 <0 50 <0 50 <0 50 <0 50 <2 5 NA <br /> 05-Jun-97 1046 1 8783 000 <50 <0 50 <0 50 ; <0 50 <0 50 <2 5 NA <br /> 27-Aug-97 1081 1 8748 000 <50 1 1 f <0 50 ; <0 50 <0 50 <2 5 NA <br /> Abbreviations <br /> NA= Not Analyzed or not available <br /> <x= Not detected at detection limit of x <br /> (DUP)= Duplicate sample <br /> TPPH =Total Purgeable Petroleum Hydrocarbons carbon range C6 to C 12 by EPA Method 8015 (Modified) <br /> (previously reported as 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 /> { <br /> 97381 3 <br />