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aw � Gwlwm r AWO r � � � maw MW <br /> TABLE 2 <br /> CUMULATIVE ANALYTICAL DATA-GROUNDWATER WELLS <br /> San Joaquin County Agricultural Commissioner's Office <br /> 503 East 90th Street Tracy California <br /> OXYGENATES <br /> ETHYL- <br /> WELL ID DATE TPH-D TPH-G BENZENE TOLUENE BENZENE XYLENES MTBE DIPE ETBE TAME TBA 1,2-DCA EDB <br /> MW-1 11/05/98 ND<50 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<5 NA NA <br /> 02/16/99 ND<50 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<5 NA NA NA NA NA NA <br /> 01/18106 ND<50 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<1 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<5 ND<0 5 ND<0 5 <br /> 06/22/06 ND<50 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<1 ND<0 5 ND<0 5 ND<0 5 ND<o 5 ND<5 ND<0 5 I ND<0 5 <br /> MW-2 11105M 140 ND<50 ND<0 5 ND<0 5 ND<o 5 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<5 NA NA <br /> 02/18199 ND<50 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<5 NA NA NA NA NA NA <br /> 01/18/06 238' 1 159 718 1 ND<0 5 1 ND<0 5 148 ND<0 5 ND40 5 ND<o 5 ND<0 5 ND<5 ND<0 5 N0<0 5 <br /> 0612210$ ND<50 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<1 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<5 ND<0 5 ND<0 5 <br /> MW-3 11/05/98 ND<50 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<5 NA NA <br /> LL� 02/18/99 ND<50 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<5 NA NA NA NA NA NA <br /> 01/18/06 NO<50 ND<50 ND<0 5 ND<0 5 ND<0 5 ND<1 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<5 ND<0 5 ND<0 5 <br /> 06/22/06 ND<50 I ND<50 ND<0 5 ND<0 5 1 ND<0 5 ND<1 ILNID<0 5 1 ND<0 5 1 ND<D 5 1 ND<0 5 ND15 ND<0 5 ND<0 5 <br /> Notes All results are reported in microgramsniter which translates to parts per billion(ppb) <br /> Total Petroleum Hydrocarbons as Diesel(TPH-D)analyses by Modified EPA Method 8015 <br /> Total Petroleum Hydrocarbons as-Gasoline(TPH G) benzene toluene ethylbenzene and xylenes(BTEX)analysis by EPA Method 8020/8015M or 8260B <br /> Oxygenates Methyl t butyl ether(MTBE) Diisopropyl ether(DIPE) Ethyl-t butyl ether(ETBE)Tert-amyl methyl ether(TAME) and Tert Butanol(TBA)analyses by EPA Method 82608 <br /> On February 18 1999 MTBE analyzed by EPA Method 8020 <br /> Lead scavenger compounds 12 Dichloroethane(1 2 DCA)and 12 Dibromoethane(EDB)analyses by EPA Method 8260B <br /> NA =Not Analyzed for specified compound <br /> ND<50=Not Detected at reporting limit of 50 ppb <br /> "=sample chromatogram does not match standard chromatogram used in quantitation result is estimated <br />