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December 16, 1992 Working To Restore Nature <br /> Unocal Service Station No 6981, Stockton, California <br /> TABLE 6 <br /> HYDROCARBON CONCENTRATIONS IN <br /> SOIL SAMPLES FROM BORINGS <br /> Unocal Service Station No 6981 <br /> 4707 Pacific Avenue <br /> Stockton, California <br /> (page 2 of 3) <br /> Sample Ethyl- Total <br /> i Number Date TPHg Benzene Toluene benzene Xylenes <br /> S-15-Bll 03/09/92 5,300 035 100 71 330 <br /> S-35-B11 03/09/92 3,900 3 2 130 50 240 <br /> S-50-B11 03/09/92 4,300 17 130 42 200 <br /> i S-15-B12 03/09/92 2 0 0 007 0 043 0 013 0 076 <br /> S-35-B12 03/09/92 15 0 026 0 025 0 017 0 074 <br /> S-50-B12 03/09/92 33 032 0 029 0 007 0 049 <br /> S-15-B13 03/10/92 <10 <0 005 <0 005 <0 005 <0 005 <br /> S-35-B13 03/10/92 140 073 4 2 1 1 57 <br /> S-50-B13 03/10/92 12 0 25 0 38 Oil 0 75 <br /> S-31-B14 8/10/92 <10 <0 005 <0 005 <0 005 <0 005 <br /> S-54-B14 8/10/92 <10 <0 005 <0 005 <0 005 <0 005 <br /> S-31-B15 8/13/92 <10 <0 005 <0 005 <0 005 <0 005 <br /> S-56-B15 8/13/92 <10 <0 005 <0 005 <0 005 <0 005 <br /> S-31-B16 8/12/92 <10 <0 005 <0 005 <0 005 <0 005 <br /> S-56-B16 8/12/92 <10 <0 005 <0 005 <0 005 <0 005 <br /> S-31-1317 8/11/92 <10 <0 005 <0 005 <0 005 <0 005 <br /> S-53-B17 8/11/92 <10 <0 005 <0 005 <0 005 <0 005 <br /> S-36-1318 8/11/92 <10 0 038 <0 005 <0 005 0 012 <br /> S-51-B18 8/11/92 36 0 20 0 092 0 010 0 057 <br /> S-56 5-1318 8/11/92 <10 0 055 <0 005 <0 005 <0 005 <br /> S-30-B19 8/24/92 <10 <0 005 <0 005 <0 005 <0 005 <br /> S-55-B19 8/24/92 <10 <0 005 <0 005 <0 005 <0 005 <br /> See notes on page 3 of 3 <br /> 38032-i o <br /> F <br />