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TABLE 2 <br /> GROUNDWATER CHEMICAL ANALYTICAL RESULTS-TPH,MTBE,and BTEXI <br /> US Can-Welty Road <br /> Vernalis,California <br /> Concentrations reported in micrograms per liter(µg/L) <br /> Date <br /> Sample ID Collected TPHg TPHd TPHd w/s.g. TPHmo MTBE Benzene Toluene Ethylbenzene Total Xylenes <br /> MW-1 10/1/1996 61,000 3,000 NA NA NA <1000 <1000 <1000 <1000 <br /> 7/28/98(2) NS NS NS NS NS NS NS NS NS <br /> 5/20/02(2) NS NS NS NS NS NS NS NS NS <br /> 8/7/03(2) NS NS NS NS NS NS NS NS NS <br /> 4/21/05(2) NS NS NS NS NS NS NS NS NS <br /> 7/21/05(2) NS NS NS NS NS NS NS NS NS <br /> 10/18/05(2) NS NS NS NS NS NS NS NS NS <br /> 2/14/06(2) NS NS NS NS NS NS NS NS NS <br /> MW-2 07/28/98 <100 2,300 NA 700 <10 <0.3 <0.3 <0.5 <0.6 <br /> 05/20/02 140 7,200 4,7e00 NA NA 0.8 1.2 0.5 5.7 <br /> sheen sh <br /> 8/7/03(2) NS NS NS NS NS NS NS NS NS <br /> 4/21/05(2) NS NS NS NS NS NS NS NS NS <br /> 07/21/05 310 150,000 170,000 NA NA <0.5 <0.5 <0.5 <0.5 <br /> 10/18/05(2) NS NS NS NS NS NS NS NS NS <br /> 2/14/06(2) NS NS NS NS NS NS NS NS NS <br /> MW-3 07/28/98 <100 300 NA <50 <10 <0.3 <0.3 <0.5 <0.6 <br /> 05/20/02 <50 <50 NA NA NA <0.5 <0.5 <0.5 <0.5 <br /> 08/07/03 <50 86 73 NA NA <0.5 <0.5 <0.5 <0.5 <br /> 4/21/05(3) NS NS NS NS NS NS NS NS NS <br /> 07/21/05 <50 6,700 6,700 NA NA <0.5 <0.5 <0.5 <0.5 <br /> 10/18/05 <50 2,500 2,700 NA NA <0.5 <0.5 <0.5 <0.5 <br /> 3/30/06(6) <50 1,0007 1,1007 NA NA <0.5 <0.5 <0.5 <0.5 <br /> MW-4 07/28/98 <100 <50 NA <50 <10 <0.3 <0.3 <0.5 <0.6 <br /> 05/20/02 <50 <50 NA NA NA <0.5 <0.5 <0.5 <0.5 <br /> 08/07/03 NS NA NA <0.5 <0.5 <0.5 <0.5 NS NS <br /> 4/21/05(3) NA NA <0.5 <0.5 <0.5 <0.5 NS NS NS <br /> 07/21/05 <50 <50 NA NA NA <0.5 <0.5 <0.5 <0.5 <br /> 10/18/05 <50 <50 NA NA NA <0.5 <0.5 <0.5 <0.5 <br /> 2/14/06(3) NS NS NS NS NS NS NS NS NS <br /> Page 1 of 2 <br />