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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 notal <br /> Number TPHg Benzene Toluene benzene Xylenes EDB Lead <br /> Base of Tank Cavity <br /> S-13-TlN 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 1. 5 1. 6 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-10-15 0. 52 0. 038 0. 045 0 . 011 0. 067 NR NR <br /> S-6-1N 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 = Total petroleum hydrocarbons as gasoline <br /> < = Less than the detection limit for the analytical <br /> methods used <br /> EDB = 1, 2-Dibromethane <br /> NR = Not requested <br /> Sample designation: <br /> S-12-T1 (N = north, S= south) <br /> L-- Tank number <br /> Sample depth in feet below ground surface <br /> Soil sample <br /> 0624etre <br /> 38048-5 6 <br />