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Table 2 <br /> Groundwater Analytical Results for Oxygenates <br /> and Additional Compounds (U.S EPA Method 8260) <br /> Former ARCO Service Station No. 2168 <br /> 441 Charter Way, Stockton, California <br /> Well <br /> Sample TBA MTBE DIPE ETBE TAME 1,2-DCA <br /> Number Date µ 1L 1L ul !a 1I al �t \L <br /> MW-7 11/17/97 NA NA NA NA NA NA <br /> MW-7 05/22/98 <10,000 <100 <100 <100 <100 NA <br /> MW-7 08/12/98 <200 <2 <2 <2 <2 NA <br /> MW-7 11/09/98 <200 <2 <2 <2 <2 NA <br /> MW-7 02/17/99 <200 <2 <2 <2 <2 NA <br /> MW-7 05/25/99 <200 <2 <2 <2 <2 NA <br /> MW-7 08/18/99 <200 <2 <2 <2 <2 NA <br /> MW-7 12/17/99 <200 <2 <2 <2 <2 NA <br /> MW-7 02/22/00 <200 <2 <2 <2 <2 NA <br /> MW-7 06/22/00 <200 <2 4 88 <2 <2 NA <br /> MW-7 08/30/00 <200 <2 <2 <2 <2 <2 <br /> MW-8 08/30/00 <200 <2 <2 <2 <2 3 38 <br /> MW-8B 08/30/00 <200 <2 <2 <2 <2 3 80 <br /> MW-8C 08/30/00 <200 <2 <2 <2 <2 <2 <br /> µg1L=Analytical results in micrograms per liter <br /> TBA=Tertiary butyl alcohol <br /> MTBE=Methyl tertiary butyl ether <br /> DIPS=Di-isopropyl ether <br /> ETBE=Ethyl tertiary butyl ether <br /> TAME=Tertiary amyl methyl ether <br /> 1,2-DCA=1,2-Dtchloroethane <br /> =Below detection limit for analytical methods used <br /> PAVILlON1MyDocuments\ARCO\21681QTRLY1200012168Q300 Delta <br /> 3 of 3 11/30/00 <br />