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TABLE 2 <br /> l GROUNDWATER ANALYTICAL RESULTS <br /> I <br /> FOR OXYGENATES AND ADDITIONAL COMPOUNDS <br /> I <br /> ARCO Service Station No. 5469 <br /> 130 South Wilson Way, Stockton,California <br /> USEPA USEPA <br /> Method 8260 Method 8015](M <br /> Well TBA MTBE DiPE ETBE TAME 1,2-DCA EDB Ethanol Methanol <br /> Numbex Date L g/L L L IL µ L L <br /> MW-5 03/22/01 <200 15,600 3 <2 4 <2 4 <2 4 <2 4 <2 4 NA NA <br /> (Contd.) 05/24/01 <10004 14,400 <104 <104 <104 <104 <104 NA NA <br /> MW-6 06/21/00 <200 4,120 <2 4.1 4.64 <2 <2 <3,000 <1 <br /> 09/08/00 <br /> <200 6,690 <2 5.0 8.1 <2 <2 <3,000 1.08 <br /> 12/11/00 <200 7,060 2 <2 3.08 9.28 <2 <2 <3,000 <1 <br /> 03/22/01 <200 <2,000 4 <204 <20 4 <204 <204 <20' NA NA <br /> 05/24/01 241 16,100 <2 4.47 21.1 <2 <2 NA NA <br /> MW-7 06/28/01 <200 <2 <2 <2 <2 <2 <2 <3,000 NA <br /> MW-8 06/28/01 <5,000 1,600 <504 <504 <504 <504 <504 <75,0004 NA <br /> MW-9 06/28/01 <200 <2 3.7 <2 <2 17 <2 <3,000 NA <br /> MW-10 06/28/01 <200 260 <2 <2 <2 4.5 <2 <3,000 NA <br /> µg/L=micrograms per liter. TAME=Tertiary amyl methyl ether. <br /> BA=Tertiary butyl alcohol 1,2-DCA=1,2-Dichloroethane <br /> MTBE=Methyl tertiary butyl ether. EDB=Ethylene dibromide <br /> D1PE=Di-isopropyl ether. 'This sample was analyzed outside of EPA recommended hold time. <br /> ETBE=Ethyl tertiary butyl ether. °The value reported exceeds the calibration curve but not the linear range. <br /> I <br /> =Below detection limit for analytical methods used. S The reporting limits for this sample have been raised due to the high level of a target compound. <br /> NA=Not Analyzed a The reporting limits for this sample have been raised due to the high levels of non-target interferents. <br /> USEPA=U.S.Environmental Protection Agency. <br /> Delta <br /> 5469QUARTERLY.XE S 2 of 2 8117/01 <br /> i <br />