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m <br /> February 14, 1992 <br /> ARCO Service Station No. 2130. Stockton. California <br /> TABLE 4 <br /> CONCENTRATIONS OF HYDROCARBONS IN SOIL SAIMPLES <br /> - ARCO Service Station No. 2130 <br /> ® 7906 North EI Dorado Street <br /> Stockton, California <br /> (page 2 of 2) <br /> _ Sample TPHg Benzene Toluene Ethyl- Total Total <br /> Number benzene Xylenes Lead <br /> S-26-135 <1.0 <0.005 <0.005 <0.005 <0.005 NA <br /> S-31-B5 4.6 0.035 0.042 0.020 0.15 NA <br /> S-51-135 58 0.11 0.52 0.28 1.7 <5.0 <br /> p S-61-BS 140 0.39 0.97 0.58 3.4 NA <br /> S-36-B6 <1.0 <0.605 <0.005 <0.005 <0.005 NA <br /> S-46-136 <Lo 0.049 <0.005 <0.005 0.030 <5.0 <br /> + <br /> 5-61-136 1.0 0.039 <br /> <0.005 0.0061 0.023 NA ' <br /> � <br /> S-31-B7 1.7 <0.005 0.015 0.010 0.070 NA <br /> 1 <br /> S-56-137 530 0.52 4.6 3.1 17 <5.0 <br /> S-61-137 14 1.0 1.3 0.12 0.64 NA <br /> 5-41-88 <1.0 x}.043 0.029 <0.005 0.058 NA <br /> S-61-138 <1.0 <0.005 <0.005 <0.005 <0.005 NA <br /> Results in parts per million (ppm) <br /> TPHg = Total petroleum hydrocarbons as gasoline <br /> < = Less than the detection limit for the analytical r..ethods used i <br /> NA = Not Analyzed <br /> Sample designation: S-61-138 <br /> S = Soil sample <br /> 61 = Depth of sample in feet <br /> --- —B8 = Boring number— -- ---- -- ------- - <br /> M3-4W <br /> bi <br />