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Table 2 <br /> Groundwater Analytical Results-Oxygenate Compounds <br /> Tosca(Unocal)Service Station#6981 <br /> 4707 Pacific Avenue <br /> Stockton,California <br /> �I <br /> rWEULIL"W DATE METHANOL ETHANOL TBA MTHE DIPE ETBE TAME <br /> (W) (ppb) Wb1 fnab) WN (pPb) Cppb) <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 <20 <2 0 <br /> 07/21/98 -- 1,500 <100 27 <20 <20 <20 <br /> 10/14/98 -- <500 <100 20 <2 0 <20 <2 0 <br /> 01125-26199 -- <500 <100 53 <2 0 <20 <20 <br /> 041191-20199 -- <500 <100 24 <2 0 <20 <20 <br /> 07/15-16/99 -- -- <100 <20 <2 0 <2 0 <2 0 <br /> 10/25-26199 -- -- <100 38 C2 0 <2 0 <2 0 <br /> 01127-28/00 -- -- <100 30 <2 0 <2 0 <2 0 <br /> 06/26-27100 -- -- <100 <2 00 <2 00 <2 00 <2.00 <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 <2 0 <2 0 <2 0 <br /> 10/14/98 -_ <2,500 <500 190 <10 <I0 <10 <br /> 01/25-26/99 <500 <100 170 <20 <2 0 <2 0 <br /> 04/19/-20199 <1,000 <200 180 <40 <4 0 <4 0 <br /> 07115-16199 -- <100 180 <20 <20, <20 <br /> 10125-26199 <500 200 <10 <10 <10 <br /> 01/27-28/00 -- <100 140 <20 <2 0 <2 0 <br /> 06126-27100 -- -- <100 879 <2.00 <2.00 <2 00 <br /> , <br /> I ' <br /> MW4 12/08/97 <10 <500 <100 75 <20 <2 0 <20 <br /> 03/05/98 -- <2,500 <500 34 <10 <10 <10 <br /> 05/27/98 <500 <100 32 <2 0 <2 0 <L 0 <br /> i <br /> 07/21/98 <500 <100 18 <2 0 <20 ' ii <20 <br /> 10/14/98 -- <500 <100 10 <2 0 <2 0 1 <20 <br /> 01125-26199 -- <500 <100 10 <20 <2 0 <2 0 <br /> 04119/-20199 -- <500 <100 48 C2 0 <2 0 <2 0 <br /> 5-16199 <100 19• 4 6 <2 0 <2 0 <br /> 6981 xls/# 8 . { <br /> As of�6127/00 <br /> , <br />