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TABLE 3 <br /> ANALYTICAL RESULTS OF GROUND WATER SAMPLES - EPA METHOD 8260B <br /> LANGSTON'S. MARKET <br /> 15616 South 7"' Street, Lathrop, California <br /> (Vg/1) <br /> Well ID Sample MTBE DIPE ETBE TAME TBA EDB 1,2-DCA Methanol Ethanol <br /> Screen.Interval Date <br /> 12/29/00 <10 <1 0 <1 0 <1 0 <5 0 NA NA <200 <50 <br /> 03/29/01 <l 0 <1 0 <1 0 <l 0 <5 0 NA NA <200 <50 <br /> 06/28/01 <1 0 <1 0 <10 <1 0 <5 0 NA NA <500 <50 <br /> 09/24/01 <1 0 <10 <10 <1 0 <5 0 NA NA <500 <50 <br /> 12/27/01 <5 0 <10 <10 <1 0 <25 NA NA <1,000 <50 <br /> 03/13/02 <5 <1 <1 <1 <25 NA NA <1,000 <50 <br /> MW-8 06/11/02 <1 <1 <1 <1 <25 <0 5 <0 5 NA NA <br /> (10'-30') 09/26/02 NS NS NS NS NS NS NS NS NS <br /> 12/03/02 <1 <1 <1 <1 <10 <0 5 <0 5 NA NA <br /> 03/26/03 <0 5 <0 5 <0 5 <0 5 <5 0 <0 5 <0 5 NA NA <br /> 06/18/03 <0 5 <0 5 <0 5 <0 5 <5 0 <0 5 <0 5 NA NA <br /> 09/08/03 <0 5 <0 5 <0 5 <0 5 <5 0 <0 5 <0 5 NA NA <br /> 12/17/03 <0 5 <0 5 <0 5 <0 5 <5 0 <0 5 <0 5 NA NA <br /> 03/08/04 <1 <1 <1 <1 <10 <0 5 <0 5 <1,000 <50 <br /> 05/04/04 destroyed destroyed destroyed destroyed destroyed destroyed destroyed destroyed destroyed <br /> MW-8 05/04/04 re-mstalled re-installed re-installed re-installed re-mstalled re-installed re-installed re-mstalled re-installed <br /> (10'-30') 05121104* <1 0* <1 0* <1 0* <1 0* <10* <0 5* <0 5* <1,000* <50* <br /> 09122104* <1 0* <1 0* <1 0* <1 0* <10* <0 5* <0 5* <1,000* <50* <br /> Notes <br /> pgll micrograms per liter EDB ethylene dibromude <br /> MTBE methyl ternary-butyl ether 1,2-DCA 1,2-dichloroetbane <br /> DIPE di-isopropyl ether NA not analyzed <br /> ETPE ethyl tertiary-bury]ether NS not sampled <br /> TAME tertiary-amyl methyl ether * well undeveloped <br /> TBA tertiary butanol or tertiary-butyl alcohol <br /> Advanced GeoEnvironmental,Inc <br />