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TABLE 3 <br /> Hydropunch Grab Groundwater Chemical Analytical Results <br /> Tracy Byron Road Investigation <br /> Tracy,California <br /> Concentrations reported in micrograms per liter(µg/L)unless noted <br /> Soil Boring Groundwater Date Ethyl Total TDS <br /> ID Sample ID-depth Collected TPHd TPHdI Benzene Toluene Benzene Xylenes (mg/L) <br /> SB-4 GW-4-122 10/22/03 67 77 <0.5 <0.5 <0.5 <1.5 NA <br /> SB-8 GW-8-13 10/22/03 8,900 89300 <0.5 <0.5 <0.5 <1.5 NA <br /> SB-10 GW-10-15 10/23/03 <50 <50 <0.5 <0.5 <0.5 <1.5 NA <br /> SB-12 GW-12-13 10/22/03 59 54 <0.5 <0.5 <0.5 <1.5 NA <br /> SB-14 GW-14-15.5 10/23/03 69 <50 <0.5 <0.5 <0.5 <1.5 NA <br /> SB-16 GW-16-16 10/23/03 62 <50 <0.5 <0.5 <0.5 <1.5 NA <br /> SB-18 GW-18-15 10/24/03 <50 <50 <0.5 <0.5 <0.5 <1.5 NA <br /> SB-20 GW-20-153 10/27/03 120 <50 <2.5 <2.5 <2.5 <7.5 100 <br /> SB-24 GW-24-15 10/27/03 <50 <50 <0.5 <0.5 <0.5 <1.5 21100 <br /> SB-26 GW-26-27 10/30/03 110 <50 <0.5 <0.5 <0.5 <1.5 NA <br /> SB-27 GW-27-24 10/28/03 NA NA NA NA NA NA 1,700 <br /> SB-29 GW-29-18 10/28/03 <50 <50 <0.5 <0.5 <0.5 <1.5 100 <br /> SB-31 GW-31-17 10/29/03 <50 <50 <0.5 <0.5 <0.5 <1.5 11200 <br /> SB-33 GW-33-17 10/29/03 <50 <50 <0.5 <0.5 <0.5 <1.5 2,100 <br /> SB-34 GW-34-19 10/30/03 960 720 <0.5 <0.5 <0.5 <1.5 NA <br /> SB-35 GW-35-18 10/30/03 250 160 <0.5 <0.5 <0.5 <1.5 NA <br /> Notes: <br /> TPHd=Total petroleum hydrocarbons quantified as diesel(CIO-C25)- <br /> PAHs=Polynuclear aromatic hydrocarbons <br /> TDS=Total dissolved solids <br /> mg/L=milligrams per liter <br /> NA=Not analyzed <br /> 1. Total Petroleum Hydrocarbons quantified as diesel;result after a silica gel cleanup preparation. <br /> 2. Grab groundwater sample not collected using a Hydropunch. <br /> 3. According to the laboratory report sample was diluted due to matrix effect(foamy). Detection limits raised due to dilution. <br />