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TABLE 3 <br /> Soil Analytical Results <br /> Former ARCO Facility No. 2168 <br /> 441 West Charter Way <br /> Stockton,California <br /> USEPA <br /> METHOD <br /> Sample i Date Depth USEPA Method 8015/8020 USEPA METHOD 8260A 8015(M) <br /> ID Sampled (feet) TPHG Benzene Toluene Ethylbenzene Xylenes z MTBE MTBE TBA DIPE ETBE TAME 1,2-DCA EDB Ethanol Methanol <br /> MW-8C-10 813100 10 <1 <0 005 <0 005 <0 005 <0 005 <0 05 NT NT NT NT NT NT NT NT7NT <br /> MW-8C-15 813100 15 <1 <0 005 <0 005 <0 005 <0 005 <0 05 NT NT NT NT NT NT NT NTMW-8C-20 813100 20 <1 <0 005 <0 005 <0 005 <0 005 <0 05 <013 <10 <01 <0 1 <0 1 <0 1 <0 1 <150 <br /> MW-8C-25 813100 25 <1 <0 005 <0 005 <0 005 <0 005 <0 05 NT NT NT NT NT NT NT NT NT <br /> MW-8C-35 813100 35 <1 00292 <0 005 <0 005 <0 005 <0 05 107 3 <10 <0 1 <0 1 <0 1 <0 1 <0 1 <150 107 <br /> MW-8C-45 813100 45 13 7** 0 674 00933 0 373 137 0 266 NT NT NT NT NT NT NT NT NT <br /> MW-8C-50 813100 50 170** 020 00258 00525 0 146 NT <0 1 <10 <0 1 <0 I <0 1 <0 1 <0 1 <150 239 <br /> MW-8C-55 813100 55 2 44** 0 217 0 353 0 105 0 409 <0 05 NT NT NT NT NT NT NT NT NT <br /> MW-8C-65 813100 65 <1 0 244 0 708 00305 0 124 <0 05 NT NT NT NT NT NT NT NT NT <br /> MW-SC-75 4 813100 75 139** 00139 000879 000745 00168 NT <0 I <10 <0 1 <0 1 <0 I <0 1 <0 1 <150 508 <br /> MW-8C-95 818100 95 <1 <0 005 <0 005 <0 005 <0 005 NT NT NT NT NT NT NT NT NT NT <br /> MW-8C-101 818100 101 <1 <0 005 <0 005 <0 005 <0 005 NT <0 1 <10 <0 1 <0 1 <0 1 <0 1 <0 1 <150 <1 3 <br /> MW-SC-105 818100 105 <1 <0 005 <0 005 <0 005 <0 005 NT NT NT NT NT NT NT NT NT NT <br /> MW-8C-109 818100 109 <1 <0 005 <0 005 <0 005 <0 005 NT <0 1 <10 <0 1 <0 1 <0 1 <0 1 <0 1 <150 <1 3 <br /> MW-8C-115 818100 115 <1 <0 005 <0 005 <0 005 <0 005 NT NT NT NT NT NT NT NT NT NT <br /> MW-8C-119 818100 119 <1 <0 005 <0 005 <0 005 <0 005 NT <0 1 <10 <0 1 <0 1 <0 1 <0 1 <0 1 <150 <1 3 <br /> COMPABCD 819100 <1 <0 005 <0 005 <0 005 <0 005 NT <0 1 <l0 <0 1 <0 I <0 1 I <0 1 I <0 1 1 NT NT <br /> All results in mg/kg(ppm) ***=Reporting limits increased due to high concentrations of target analytes <br /> Sample designation-Boring MW-I C, sample depth 10 feet bgs TPHG=Total petroleum hydrocarbons as gasoline <br /> Total Xylenes MTBE=Methyl Tertiary Butyl Ether EDB=Ethylene Dibromide <br /> Analytes tested outside USEPA recommended sample holding time TBA=Tertiary Butyl Alcohol <br /> Sampie reported twice with conflicting analytical results in Certified Analytical Reports DIPE=Di-isopropyl Ether <br /> NT=Not tested ETBE=Ethyl Tertiary Butyl Ether <br /> *=Chromatogram pattern weathered gasoline+unidentified hydrocarbon C6-C12 TAME=Tertiary Amyl Methyl Ether <br /> **=Chromatogram pattern weathered gasoline C6-C12 1,2 DCA= 1,2-Dichloroethane <br /> DELTA <br /> FrontlTransfer12168Tables 11/27/00 Page 2 of 2 i 1127100 <br />