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I i i i i i i a i � i i i i i i ■i � <br /> � i • <br /> TABLE A-1 <br /> HISTORICAL ANALYTICAL RESULTS OF SOIL SAMPLES <br /> K& S Gas & Grocery <br /> 701 East Charter Way, Stockton, California <br /> (mg/kg) <br /> Ethyl- LD Lead <br /> Sample TPIi- Benzene Toluene benzeneXylenes MTBE DIPEETBE TAME TBA EDBCA <br /> Sample ID Date <br /> EPA Methods 8015MI802018260 EPA Methods 8260/6010 <br /> MW9-40 03/19/04 3,000 086 17 37 176 <0 05 <0 1 <0 1 <0 1 <1 0 <0 05 <0 OS <br /> MW9-50 03/19/04 1 0 0 01 0 01 0 009 0 047 <0 005 <001 <D O1 <0 01 <0 1 <0 005 <0 005 <br /> 17MW9 60 03/19/04 10 0 032 0 022 002 0 084 <0 005 <0 01 <0 01 <0 01 <0 1 <0 005 <0 005 <br /> MW9-80 03/19/04 <1 0 0 054 <0 005 0 011 0 066 <0 005 <0 01 <0 01 <0 01 <0 1 <0 005 <0 005 --- <br /> MW9-90 03/19/04 <1 0 <0 005 <0 005 <0 005 <0 005 <0 005 <0 01 <0 01 <0 01 <0 1 <0 005 <0 005 <br /> MW9-110 03/19/04 <1 0 0 028 0 015 0 016 0 074 <0 005 <0 01 <0 01 <0 01 <0 I <0 005 <0 005 --- <br /> MW9-115 03/19/04 <1 0 0 032 <0 005 <0 005 <0 005 <0 005 <0 01 <0 01 <0 01 <0 i <0 005 <0 005 --- <br /> MW9-125 03/19/04 <1 0 <0 005 <0 005 <0 005 0 015 <0 005 <0 01 <0 01 <0 01 <0 1 <0 005 <0 005 -- <br /> MW9-140 03/19/04 <1 0 <0 005 <0 005 <0 005 0 011 <0 005 <0 01 <001 <0 01 <0 1 r<O 045 <0 005 <br /> Notes <br /> mg/kg milligrams per kilogram <br /> TPH g total pelroleum hydrocarbons quantified at gasoline <br /> MTBE methyl tertiary butyl ether <br /> DIPE do isopropyl ether <br /> ETBE ethyl tertiary butyl ether <br /> TAME tertiary amyl methyl ether <br /> TBA tertiary butyl alcohol <br /> EDB 1 2 drbrumoethane <br /> I 2 DCA l 2 dichloroetharre <br /> --- sample not analyzed for this constituent <br /> * concentrations for MTBE determined by EPA Method 8020 Remaining reported concentrations were determined by EPA Method 8260 <br /> I <br /> Advanced GeoEnVlronmental,Inc <br />