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r - <br /> TABLE 3 <br /> r ANALYTICAL RESULTS OF GROUND WATER SAMPLES - EPA METHOD 8260 <br /> Former Curtiss Pontiac-Buick <br /> 2450 Toste Road, Tracy, California <br /> IGµg/l) <br /> LWel!ID Sample DIPE ETBE MTBE TAME TBA EDB 1,2-DCA <br />' Date <br /> 12-07-99 <100 <100 <100 <100 1,200 NA NA <br /> 03-17-00 <1.0 <1.0 2.1 <1.0 <5.0 NA NA <br />' 07-17-00 --- --- -- --- --- NA NA <br /> 10-17-00 <1.0 <1.0 <1.0 <1.0 <5.0 NA NA <br /> 01-30-01 <1.0 <1.0 <1.0 <1.0 <5.0 NA NA <br />' <br /> MW-7 04-25-01 <1.0 - <1.0 <1.0 <1.0 <5.0 NA NA <br /> 07-27-01 <1.0 <1.0 <1.0 <1.0 <5.0 NA NA <br /> 10-24-01 Q.0 <1.0 <1.0 <1.0 <5.0 NA NA <br />' 01-23-02 <1.0 <1.0 <1.0 <1.0 <5.0 <1.0 <1.0 <br /> 04.23.02 <0.5 <0.5 <0.5 <0.5 <5.0 <0.5 <0.5 <br /> 07-23-02 <0.5 <0.5 <0.5 <0.5 <5.0 <0.5 <0.5 <br /> 10-31-02 NS NS NS NS NS NS NS <br />' 01-30-98 - - - - - NA NA <br /> 09-28-98 <1.0 <1.0 <1.0 <1.0 <5.0 NA NA <br /> 12-17-98 <1.0 <1.0 <1.0 <1.0 <5.0 NA NA <br />'• 03-25-99 <1.0 <1.0 <1.0 <1.0 <5.0 NA NA <br /> 06-21-99 <1.0 <1.0 <L0 <1.0 <5.0 NA NA <br /> 09-21-99 <1.0 <1.0 2.1 <1.0 <5.0 NA NA <br />' 12-21-99 <1.0 <1.0 <1.0 <1.0 <1.0 NA NA <br /> 03-17-00 <1.0 <1.0 <1.0 <1.0 <5.0 NA NA <br /> 07-17-00 <1.0 <1.0 <1.0 <1.0 <5.0 NA NA <br /> GLMW-3* 10-17-00 <1.0 <1.0 <1.0 <1.0 <5.0 NA NA <br />' 12-19700 <1.0 <1.0 <1.0 <1.0 <5.0 NA NA <br /> 01-30-01 <1.0 <1.0 <1.0 <1.0 <5.0 NA NA <br /> 03-23-01 <1.0 <1.0 <1.0 <1.0 <5.0 NA NA <br />' 06-22-01 <1.0 <1.0 <1.0 <1.0 <5.0 NA NA <br /> 09-17-01 <1.0 <1.0 <1.0 <1.0 <5.0 NA NA <br /> 12-26-01 <1.0 <1.0 <5.0 <1.0 <25 <1.0 <1.0 <br />' <br /> 03-21-02 <0.5 <0.5 <0.5 <0.5 <5.0 <0.5 <0.5 <br /> 06-21-02 <0.5 <0.5 <0.5 <0.5 <5.0 <0.5 <0.5 <br /> 12-19-02 <0.5 <0.5 <0.5 <0.5 <5.0 NA NA <br /> 01-23-02 <1.0 <1.0 <1.0 <1.0 <5.0 <1.0 <1.0 <br />' DW2450 04-23`02 <0,5 <0.5 <0.5 <0.5 <5.0 <0.5 <0.5 <br /> 07-23-02 <0.5 <0.5 <0.5 <0.5 <5.0 <0.5 <0.5 <br /> 10-31-02 <0.5 <0.5 <0.5 <0.5 <5.0 NA NA <br />' Notes: <br /> Concentrations in italics indicate suspected cross-contamination <br /> ground water sample collected from monitoring well GLMW-3 at 2420 Grant Line Road <br />' ,gl: micrograms per liter <br /> D1PE: di-isopropyl ether <br /> ETBE: ethyl tertiary-butyl ether <br /> . MT13E: methyl tertiary-butyl ether <br /> TAME: tertiary-amyl methyl ether <br />' TBA: tertiary-butyl alcohol <br /> EDB: 1,2-dibromoethane <br /> 1,2-13CA; 1,2-dichloroethane <br /> NA: not analyzed <br />' Ns: not sampled <br /> Advanced GeoEnvironmental <br />