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June 25, 1991 <br /> ARCO Service Station 760, Lodi, California <br /> TABLE 1 <br /> RESULTS OF HYDROCARBON ANALYSES OF SOIL SAMPLES <br /> COLLECTED FROM THE FORMER TANK CAVITY <br /> ARCO Service Station No. 760 <br /> 225 South Cherokee Lane <br /> Lodi, California <br /> June 18 and 20, 1991 <br /> Sample Ethyl- Total Total <br /> Number TPHg Benzene Toluene benzene Xylenes EDS Lead <br /> Base of Tank Cavity <br /> S-13-TIW 250 3.8 6.8 3.2 18 <0.010 <5.0 <br /> S-13-TlS 10 0.65 0.63 0.19 1.0 <0.010 <5.0 <br /> S-13--T2N 87 3,5 6.9 2.0 10 <0.010 <5.0 <br /> S-13-T2S 76 5.4 7.0 1.9 8.8 <0.010 <5.0 <br /> S-13-T3N 18 i's 1 °5 0.42 1.7 <0.010 <5.0 <br /> S-13-T3S 9.5 1.2 1.0 0.22 0.72 <0.010 <5.0 <br /> Sidewall samples <br /> S-^10-IS 0.52 0.038 0.045 0.011 0.067 NR <br /> S-A-1N 7.8 0.29 0.23 0.04 0.29 NR NR <br /> S-10-2N 9.1 0.68 0.69 0.13 0.57 NR NR <br /> Results in parts per million (ppm) <br /> TPHg = Tozal petroleum hydrocarbons as gasoline <br /> I < = Less than the detentiun limit for the analytical <br /> methods used <br /> EDB 1,2-Dibrcmethane <br /> NR = Not requested <br /> Sample designation: <br /> S-12-71 (N = north, S= south) <br /> Tank number <br /> Sample depth in feet below ground surface <br /> Soil sample f <br /> t -' <br /> 0624etm <br /> 38047-5 6 <br />