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r � <br /> Subsurface Investigation December 12. 1990 <br /> Former Unocal Station No. 2859, Stockton. California AGS 38012-5 <br /> 1 <br /> TABLE 3 <br /> CONCENTRATIONS OF HYDROCARBONS IN SOIL AND WATER SAMPLES <br />' Former Unocal Service Station No. 2859 <br /> 1665 Pacific Avenue <br /> Stockton, California <br />' (June, 1988) <br /> Sample Depth Ethyl- Total <br /> Number (Feet) TPHg Benzene Toluene benzene Xylenes <br /> S-25-BI 25 <2 <0. 05 <0.05 <0. 05 <0. 05 <br /> S-20-B2 20 8 0.10 0.31 2.70 2.11 <br /> S-25-B2 25 28 0.55 1.24 13 . 99 7.83 <br /> S-25-B3 25 <2 <0. 05 <0.05 <0.05 <0. 05 <br /> W-33-MW1 <20 <0.5 <0. 5 <0. 5 <0.5 <br /> W-33-MW2 99,000 5,700 48 ,800 5, 000 25, 000 <br /> W-33-MW3 170 1.0 <0.5 <0.5 1. 6 <br /> Results of soil in parts per million (ppm) <br /> Results of water in parts per billion (ppb) <br /> TPHg = Total petroleum hydrocarbons as gasoline <br /> < = Below detection limit for the method used. <br />' S-25-B3 <br /> ! Soil boring number <br /> Sample depth in feet below surface_ <br />' Soil sample <br /> W-33-MW3 <br /> Water sample number;collected on June 6, 1988. <br />' Sample depth in feet below surface. <br /> Water <br /> 1 <br /> 1 <br /> 8 <br /> ' Applied GOOSYSAMS <br />