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1 <br /> June 9, 1993 Working To Restore Nature <br /> ARCO Service Station 2168, Stockton, Califorrua <br /> 1 <br /> TABLE 2 <br /> CONCENTRATIONS OF HYDROCARBONS IN SOIL SAMPLES <br />` ARCO Station No. 2168 <br /> 441 Charter Way, Stockton, California <br /> Sample Ethyl- Total <br /> Number TPHg Benzene Toluene benzene Xylenes <br /> S-6-B13 <1.0 <0. 005 <0. 0050 <0 . 0050 <0. 0050 <br /> S- 6-B13 4 . 7 0. 82 0. 18 0 . 17 0. 72 <br /> SB13 15 0. 33 0. 63 0 .22 1. 2 <br /> S B13 30 0. 26 0. 52 0 . 48 2 . 0 <br /> -41-B13 2 . 2 0. 24 0. 030 0 . 067 0. 19 <br /> -16-B14 <1. 0 <0. 005 <0. 005 <0 . 0050 <0. 005 <br /> SSB14 <br /> B14 90 0. 16 0. 12 0 . 64 2 . 8 <br /> S 750 2 . 5 4 . 2 12 44 <br /> -41-B14 1. 2 0. 10 0. 036 0 . 036 0. 15 <br /> 5b'±�---tiS-14 . 5-B15 <1. 0 0. 013 <0. 005 <0 . 005 <0. 005 <br /> B16 <1. 0 <0. 005 <0. 005 <0 . 005 <0 . 005 <br /> S�eB16 <br /> B16 140 0. 094 0. 49 1. 7 8 . 2 <br /> M S 1, 600 4. 5 25 8 . 6 75 <br /> I ! S-41-B16 1, 700, 6. 9 40 12 66 <br /> S-6-B17 <1. 0 <0. 005 <0 . 005 <0. 005 <0. 005 <br /> S-16-B17 3 . 3 0. 21 0. 56 0. 069 4 . 5 <br /> s-&B17 140 0. 40 2 . 0 2 . 0 11 <br /> t-40-B18 <br /> -16-B18 <1. 0 0. 028 0. 070 0. 024 0 . 12 <br /> 26 B18 72 0. 32 0. 27 0. 68 4 . 3 <br /> i B18 4 . 1 0. 54 0. 088 0 . 015 0 . 33 <br /> 4 . 9 0. 33 0. 50 0. 089 0. 46 <br /> JW S-1 B19 1. 3 0. 30 0. 089 0 . 037 0. 20 <br /> I- <br /> S-41-B19 <br /> 9 . 2 0. 30 0. 024 0 . 055 0 . 0052 <br /> -41-B19 3 . 1 0. 51 0. 081 0 . 064 0. 15 <br /> ZG 3i ' 1 Z <br /> Results in parts per million Ar <br /> TPHg = Total petroleum hydrocarbons as gasoline <br /> < = Less than the detection limit for the analytical methods used <br /> Sample designation: <br /> S-6-B13 : Soil - Sample depth in feet - Boring number <br /> 0209ccar <br /> 310047 <br />