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Table 1 <br /> Historical Soil Sample Analytical Results <br /> 7 Eleven Store#32262 <br /> 2360 West Grant Line Road <br /> Tracy CaldOmia <br /> Sample Ethyl Total <br /> Sample Date Depth Benzene Toluene Benzene Xylenes TPHg MtBE DIPE EtBE TAME TBA Lead 1,2-DCA EDB NOTE <br /> D Sampled {ft bgs) {mglicg) {mg/kg) (mg�91 (m9�9) (m99) {m9�9) (m91kg) (m9/k9) {m99) (m99) (m-09) (m9/k9) (mg/kg) <br /> COMP-1A,1 B,IC,D 10/17/03 <0 0050 <0 0050 <0 0050 <0-0-050 F<1 0 019 <br /> Explanation <br /> BTEX TPHg MtBE DIPS ELBE TAME &TBA by 8260B TPHg=Total petroleum hydrocarbons as-gasoline . <br /> Total Lead analyzed using EPA 60106 MtBE=Methyl tert-butyl ether <br /> ft bgs=Feet below ground surface DIPE=Di isopropyl ether <br /> mg/kg=milligrams per kilogram EtBE=Ethyl tertiary-butylether <br /> <=Not detected above laboratory reporting limit TAME=Tertiary amyl-methyl ether <br /> UST=Underground Storage Tank TBA=Tertiary Butanol <br /> =Not analyzed 1 2 DCA=1 2 Dochloroethane <br /> ED6=Ethylene dibromide <br /> J=TBA results may be biased slightly high a fraction of MtBE(up to 5%)converts to TBA during the analysis Laboratory considers this conversion effect to be mathmatically significant in <br /> samples that contain MtBErrBA in ratios of over 3 1 <br /> 7 Eleven1322621Tables132262 Historical Soil As <br /> Page 3 of 3 <br />