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i <br /> TABLE 2 <br /> ANALYTICAL RESULTS OF GROUND WATER SAMPLES <br /> EPA Method 80151802018260 Modified <br /> Former Curtiss Pontiac-Buick- 2450 Toste Road, Tracy, California <br /> (µg11) <br /> Well Sample Depth to Ethyl- <br /> I D Date GW benzene <br /> TPH-d Benzene Toluene benzeneXylenes DIPE ETBE MTBE TAME TBA 1,2-DCA EDB <br /> Screen <br /> GLMW 01-30-98 — <50 <50 <0 5 <0 5 <0 5 <0 5 --- — — — --- NA NA <br /> -3* 09-28-98 864 <50 <50 2 7 16 <0 5 <0 5 <1 0 <1 0 <l 0 1 <1 0 <5 0 NA NA <br /> 10-20 12-17-98 873 <50 <50 <0 5 <0 5 <0 5 <0 5 <1 0 <1 0 <1 0 <1 0 <5 0 NA NA <br /> 03-25-99 861 <50 <50 <0 5 <0 5 <0 5 <0 5 <1 0 <1 0 <1 0 <1 0 <5 0 NA NA <br /> 06-21-99 880 <50 <50 <0 5 <0 5 <0 5 <0 5 <1 0 <1 0 <10 <1 0 <5 0 NA NA <br /> 09-21-99 946 <50 <50 <0 5 <0 5 <0 5 <0 5 <1 0 <1 0 21 <10 <5 0 NA NA <br /> 12-21-99 8 86 <50 <50 <0 5 <0 5 <0 5 <0 5 <1 0 <1 0 <10 <10 <1 0 NA NA <br /> 03-17-00 839 <50 <50 <0 5 <0 5 <0 5 <0 5 <1 0 <1 0 <1 0 <1 0 <5 0 NA NA <br /> 07-17-00 865 <50 <50 <0 5 <0 5 <0 5 <0 5 <1 0 <1 0 <10 <1 0 <5 0 NA NA <br /> 10-17-00 833 160 130 7 9 91 6 6 27 <1 0 <1 0 <1 0 <1 0 <5 0 NA NA <br /> 12-19-00 866 <50 <50 <0 5 <0 5 <0 5 <0 5 <1 0 <1 0 <1 0 <1 0 <5 0 NA NA <br /> 01-30-01 865 <50 <50 <0 5 <0 5 <0 5 <0 5 <1 0 <1 0 <1 0 <1 0 <5 0 NA NA <br /> 03-23-01 861 <50 <50 <0 5 <0 5 <0 5 <0 5 <1 0 <1 0 <1 0 <1 0 <5 0 NA NA <br /> 06-22-01 872 <50 <50 <0 5 <0 5 <0 5 <0 5 <1 0 <1 0 <1 0 <1 0 <5 0 NA NA <br /> 09-17-01 875 <50 <50 <0 5 <0 5 <0 5 <0 5 <1 0 <1 0 <1 0 <1 0 <5 0 NA NA <br /> 12-26-01 834 <50 <1,000 <0 5 <0 5 <0 5 <1 0 <1 0 <1 0 <5 0 <1 0 <25 <1 0 <1 0 <br /> 03-21-02 875 <50 <50 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <5 0 <0 5 <0 5 <br /> W2450 01-23-02 — <50 <50 <0 5 <0 5 <0 5 <0 5 <1 0 <1 0 <1 0 <1 0 <5 0 <1 0 <1 0 <br /> 104-23-021 — <50 1 <50 1 <0 5 1 <0 5 1 <0 5 1 <05 1 <0 5 1 <0 5 1 <0 5 1 <0 5 1 <5 0 <0 5 <0 5 <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 /> TPH-g total petroleum hydrocarbons quantified as gasoline <br /> µgil micrograms per liter or parts per billion,ppb <br /> TPH-d total petroleum hydrocarbons quantified as diesel <br /> DW Domestic Well <br /> NA Not analyzed <br /> DIPE Di-isopropyl Ether <br /> ETBE Ethyl tert butyl ether <br /> MTBE Methyl tert butyl ether <br /> TAME tert amyl methyl ether <br /> TBA tertiary butanol or tertiary Butyl Alcohol <br /> EDB ethylene dibromide <br /> 1,2-DCA 1,1-dichloroethane <br /> i <br /> Advanced GeoEnvironmental Inc <br />