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I <br /> November 12, 1992 Working To Restore Nature <br />' ARCO Station No 6100, Tracy, California <br /> TABLE 1 <br /> CONCENTRATIONS OF HYDROCARBONS IN SOIL SAMPLES <br /> COLLECTED FROM BORINGS B-20 THROUGH B-25 <br /> ARCO Service Station No. 6100 <br /> 25775 Patterson Pass Road <br /> Tracy, California <br /> (page 1 of 2) <br /> Sample Ethyl- Total <br /> Number TPHg Benzene Toluene benzene Xylenes <br /> S-16. 5-B20 <1. 0 <0. 0050 <0. 0050 <0. 0050 <0. 0050 <br /> S-36. 5-B20 <1.0 <0. 0050 <0. 0050 [0. 0050 <0. 0050 <br /> S-51. 5-B20 <1.0 <0. 0050 <0. 0050 <0. 0050 <0. 0050 <br /> S-11. 5-B21 3 .7 0. 010 0. 017 0. 0091 0. 18 <br /> S-21. 5-B21 6, 700 22 160 88 460 <br /> S-41. 5-B21 460 2 . 0 5.9 4 . 6 21 <br /> S-11. 5-B22 1, 100 6 . 5 40 20 96 <br /> S-16. 5-B22 310 1. 2 9. 3 5. 2 25 <br /> S-26. 5-B22 350 1 . 7 8.2 4 .4 26 <br /> S-21. 5-B23 <1. 0 <0 . 0050 0. 024 0. 012 0. 067 <br /> S-36. 5-B23 <1. 0 0. 010 <0. 0050 <0. 0050 <0 . 0050 <br /> S-56. 5-B23 <1. 0 0 . 12 0. 064 <0. 0050 0 . 033 <br /> S-76-B23 <1. 0 <0. 0050 <0. 0050 <0. 0050 <0. 0050 <br /> See notes on page 2 <br /> 0623ccar <br /> 30041-3 <br />