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TABLE 3 <br /> ANALYTICAL RESULTS OF GROUND WATER SAMPLES <br /> Former CURTISS PONTIAC BUICK <br /> 2450 Toste Road, Tracy, California <br /> (pg/1) <br /> Well I.D. Sample TPH-g TPH-d MTBE TBA DIPE ETBE TAME 1,2 DCA EDB Benzene Toluene Ethyl- Xylenes <br /> Date benzene <br /> 02/18/08 NS NS NS NS NS NS NS NS NS NS NS NS NS <br /> GLMW-3 06/02/08 NS NS NS NS NS NS NS NS NS NS NS NS NS <br /> 09/04/08 NS NS NS NS NS NS NS NS NS NS NS NS NS <br /> < <50 <1.0 <10 <1.0 <1.0 <1.0 <0.5 <0.5 <0.5 <0.5 <0.5 <0.6- <br /> 01123/02 <br /> 50 <br /> <50- -..<50; < - <5:0 ..<1.0 <1.0 <4.0. <1.0 ... q-0 <0.5 <0.5 - <0.5 <0.5 <br /> - ' 01123/02-- - 1:0- - - <br /> 04/23/02 <50 <50 <0.5 <5.0 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <br /> DW2450 <50 <50 c <5.0 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <br /> 07/23/02 0.5 <br /> 10/31/02 <50 <50 <0.5 <5.0 <0.5 <0.5 <0.5 NA NA <0.5 <0.5 <0.5 <0.5 <br /> 03/12/03 <50 <50 <0.5 <5.0 <0.5 <0.5 <0.5 <0.5 1 <0.5 <0.5 <0.5 <0.5 <0.5 <br /> Nodes: <br /> Pg/l: Micrograms per liter. DIPE: . Di-isopropyl ether. <br /> TPH-g: Total petroleum hydrocarbons quantified as gasoline. ETBE: Ethyl tertiary butyl ether. <br /> TPH-d: Total petroleum hydrocarbons quantified as diesel TAME: Tertiary amyl methyl ether. <br /> MTBE: Methyl tertiary butyl ether. 1,2-DCA: 1,2-dichloroethane <br /> TBA: Tertiary butyl alcohol. EDB: 1,2-dibromoethane <br /> Ground water sample collected from monitoring well GLMW-3 at 2420 Grant Line Road. - <br /> NA: not analyzed <br /> NS: not sampled <br /> t: Indicates suspected well ID mix-ups. <br /> 1: Unmodified or weakly modified gasoline is significant. <br /> 2: Gasoline range compounds are significant. <br /> 3: Diesel range compounds are significant;no recognizable patern. <br /> no recognizable pattern. <br /> concentrations in italics indicate suspected cross-contamination <br /> Advanced GeoEnvironmental,Inc. <br />