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TABLE 2 <br /> GROUNDWATER <br /> ANALYTICAL RESULTS FOR OXYGENATES <br /> USA Station No. 65 <br /> 2500 West Lodi Avenue, Lodi, California <br /> Well Date MTBE TBA RIPE ETBE 1,2-ACA TAME EDB <br /> Number Collected (µg/L) (µg/L) OWL) (pWL) OWL) (gg/L) (µg/L) <br /> S-2 03/30/99 2,900 NIA N/A N/A N/A N/A N/A <br /> 06/28/99 10,000 N/A N/A N/A N/A N/A N/A <br /> 12/19/99 1,300 <50 N/A N/A N/A <50 N/A <br /> 05/17/00 2,800 400 N/A N/A N/A 47 N/A <br /> 09/22/00 2,600 340 N/A N/A N/A 45 N/A <br /> 12/06/00 1,100 190 N/A N/A NIA 24 N/A <br /> 02/23/01 88 <10 <1.0 <1.0 N/A <1.0 N/A <br /> I <br /> 05/22/01 47 20 <1.0 <1.0 NIA <1.0 N/A <br /> 08/08/01 2,600 1,700 <5A1 <5.0t N/A 30 N/A <br /> 10/27/01 12 7.6 <1.0 <1.0 N/A <1.0 N/A <br /> 02/18/02 2.6 46 <1.0 <1.0 NIA <1.0 N/A <br /> 05/02/02 47 <5.0 <1.0 <1.0 NIA <1.0 NIA <br /> 08/12/02 <0.50 <5.0 <1.0 <1.0 N/A <1.0 N/A <br /> Note: <br /> Oxygenates analyzed using EPA Method 9260B MTBE=Methyl tertiary butyt ether <br /> pg/L= micrograms per liter TBA=Tertiary butyl alcohol <br /> t /S=Not sampled DIPS=Di-isopropyl ether <br /> /A=Not analyzed ETBE=Ethyl tertiary butyl ether <br /> 1,2-DCA=1,2-dichloroethanc <br /> TAME=Tertiary amyl methyl ether <br /> EDB=1,2-Dibromoethane <br /> =Reporting limits were increased due to high concentrations of target analytes <br /> Reporting limits were increased due to sample foaming <br /> newUSA_65_Quarterly_1)ata Page 6 of 6 5 TRA W5 <br />