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Table 2 <br /> Groundwater Analytical Results-Oxygenate Compounds <br /> Tosco(Unocal)Service Station#6981 <br /> 4707 Pacific Avenue <br /> Stockton,California <br /> WELL ID DATE METHANOL .ETHANOL TBA MTBE DIPE ETRE TAME 1,2-DCA EDB <br /> (PPm) (ppb) (PPb) (PPb) (pp b) Pb) (PP b) (PP b) (Ppb) <br /> MW-1 12/08/97 WELL PAVED OVER -- -- __ __ __ <br /> 03/05/98 <500 <100 20 <2 0 <2 0 <2 0 -- -- <br /> 05/27/98 -- <500 <100 30 <2 0 <2 0 <2 0 -- <br /> 07/21/98 -- 1,500 <100 27 <2 0 <2 0 <20 71 - <br /> 10/14/98 -- <500 <100 20 <2 0 <2 0 <2 0 -- -- <br /> 01/25-26199 - <500 <100 53 <2 0 <2 0 <2 0 <br /> 04/19/-20/99 -- <500 <100 24 <2 0 <2 0 <2 0 -- <br /> Iq <br /> 07115-16199 - -- <100 <2 0 <2 0 <2 0 <2 0 <br /> 10/25-26199 -- - <100 38 <2 0 <2 0 <2 0 -I -- <br /> 01/27-28100 -- -- <100 30 <2 0 <2 0 <2 0 - -- <br /> 06126-27100 -- -- <100 <2 00 <2 00 <2 00 <2 00 -- -- <br /> 09/22-23/00 <1 00 <500 <50 <2 0 <2 0 <2 0 <2 0 <2 0 <2 0 <br /> 12126-27100 -- 4,000 <100 <2 00 <2 00 <2.00 <2 00 -=' -- <br /> I <br /> MW-2 12/08/97 20 <1,700 <330 390 <6 7 <6 7 <6 7 -- -- <br /> 03/05/98 -- <10,000 <2,000 300 <40 <40 <40 -- <br /> 05/27/98 -- <10,000 <2,000 270 <40 <40 <40 -- <br /> 07/21/98 -- <500 <100 180 <2 0 <2 0 <2 0 <br /> it <br /> 10/14/98 -- <2,500 <500 190 <10 <10 <10 - -- <br /> 01125-26199 -- <500 <100 170 <2 0 <2 0 <2 0 <br /> -i <br /> 04/191-20/99 -- <1,000 <200 180 <4 0 <4 0 <4 0 <br /> 07/15-16/99 -- -- <100 180 <2 0 <2 0 <2 0 <br /> j 10125-26199 -- -- <500 200 <10 <10 <10 <br /> 01127-28100 -- -- <100 140 <2 0 <2 0 <2 0 <br /> 06126-27/00 -- -- <100 879 <2 00 <2 00 <2 00 -- -- <br /> 09/22-23/00 120 <500 <50 100 <2 0 <2 0 <2 0 <20 <2 0 { <br /> 12126-27100 -- <1,000 <100 785 <2 00 <2 00 <2 00 ._ <br /> 6981 xls038 `+ <br /> As27L00 <br />