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Page 3 of 3 <br /> Table 5 <br /> Fuel Oxygenates Analytical Data <br /> Former ARCO Service Station#4932 <br /> 16 E Harding Way,Stockton,CA <br /> Well Date TBA MtBE D1PE EtBE TAME 1,2-DCA EDB <br /> Number Sampled (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (ppb) <br /> MW-9 7/20101 <200 <2 0 <2 0 <2 0 <20 84 <2 0 <br /> 10/22/01 <200 <2 0 <2 0 <2 0 <20 16 <2 0 <br /> 1115102 110 <0 50 1 2 <0 50 <0 50 11 <0 50 <br /> 4111102 84 <1 0 <1 0 <1 0 <1 0 24 <1 0 <br /> 7112102 15 <0 50 <0 50 <0 50 <0 50 -- -- <br /> MW-10 7/12102 <5 0 <0 50 <0 50 <0 50 <0 50 -- -- <br /> MW-11 7112/02 <5 0 <0 50 <0 50 <0 50 <0 50 -- -- <br /> SVE-1 915/00 26,100 1,140 <20 222 427 137 <20 <br /> 1112/00 <250 1,200 <10 <10 <10 <10 <10 <br /> 315101 <2,000 3,720 <20 0 <20 0 <20 0 <20 0 <20 0 <br /> 518/01 <10,000 4,930 <100 <100 <100 <100 <100 <br /> 7120101 Not sampled 0 01 0 LPH present <br /> 10/22/01 Not sampled 0 01 ft LPH present <br /> 1115102 Not sampled dry well <br /> 4/11102 <1,200 19,000 <120 <120 <120 <120 <120 <br /> 7112102 <2,000 15,000 <200 <200 <200 -- — <br /> DMW-1 4111102 93 140 <2 5 <2 5 <25 25 <2 5 <br /> 7112102 <50 64 <5 0 <5 0 <5 0 -- -- <br /> DMW-2 7/12102 <5 0 85 <0 50 <0 50 <0 50 -- -- <br /> DMW-3 7/12102 <50 140 <5 0 <5 0 <5 0 -- -- l <br /> EW-1 4/11102 <25,000 520,000 <2,500 <2,500 <2,500 <2,500 <2,500 <br /> 7/12102 2,800 460,000 150 <100 260 — -- <br /> EW-2 7/12/02 <10,000 65,000 <1,000 <1,000 <1,000 -- -- <br /> Notes TAME=Tertiary amyl methyl ether LPH=liquid phase hydrocarbon <br /> TBA=Tertiary butyl alcohol 1,2 DCA=1,2-Dichloroethane <br /> MtBE=Methyl tertiary butyl ether EDB=Ethylene dibromide <br /> DIPE=Di-isopropyl ether ppb=parts per billion <br /> EtBE=Ethyl tertiary butyl ether <=less than given laboratory detection limit <br /> Prolect/ARCO/4932/Reports/Tables/gwtables4932 As <br /> I <br />