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Table 2 <br /> Groundwater Analytical Results -Oxygenate Compounds <br /> Tosco (Unocal) Service Station 116981 <br /> 4707 Pacific Avenue <br /> Stockton, California <br /> Well ID Date Methanol Ethanol TBA MTBE DIPE ETRE TAME <br /> (ppb) (ppb) (ppb) (Ppb) (ppb) (Ppb) (ppb) <br /> MW-1 12/08/97 WELL PAVED OVER -- -- -- -- -- <br /> 03/05/98 - <500 <100 20 <20 <20 <20 <br /> 05/27/98 -- <500 <100 30 <20 <20 <20 <br /> 07/21/98 -- 1,500 <100 27 <20 <20 <20 <br /> 10/14/98 - <500 <100 20 <20 <20 <20 <br /> 01125-26199 <500 <100 53 <20 <20 <20 <br /> 041191-20199 <500 <100 24 <20 <20 <20 <br /> 07115-16199 — — <100- <20o, <20 - <20 <20- <br /> MW-2 12/08/97 20 <1,700 <330 390 <6 7 <67 <67 <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 <20 <20 <20 <br /> 10/14/98 <2,500 <500 190 <10 <10 <10 <br /> 01125-26199 - <500 <100 170 <20 <20 <20 <br /> 041191-20199 <1,000 <200 180 <40 <40 <40 <br /> 07115-16199 -- -- <100 1801, <2 0 <2 0 ' <2 0.1 <br /> 2 fW-4 12/08/97 <10 <500 <100 75 <20 <20 <20 <br /> 03/05/98 -- <2,500 <500 34 <10 <10 <10 <br /> 05/27/98 -- <500 <100 32 <20 <20 <20 <br /> 07/21/98 - <500 <100 18 <20 <20 <20 <br /> 10/14/98 -- <500 <100 10 <20 <20 <20 <br /> 01125-26199 - <500 <100 10 <20 <2 0 <20 <br /> 04/191-20199 - <500 <100 48 <20 <20 <20 <br /> 07115-16199 -- -- <100 ' 46— <20 <20J <20� <br /> MW-5 12/08/97 <1 0 <500 <100 43 <20 <20 <2 0 <br /> 03/05/98 -- <500 <100 18 <2 0 <2 0 <20 <br /> 05/27/98 - <500 <100 78 <20 <20 it <20 <br /> 07/21/98 - <500 <100 4 5 <20 <20 <20 <br /> 10/14/98 <500 <100 29 <20 <2 0 <20 <br /> 6981 0138 • As16199 <br />