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May 4, 1993 Working To Restore Nature <br /> Unocal Station No 6981, Stockton, Califorrua <br /> TABLE 3 <br /> HYDROCARBON CONCENTRATIONS IN SOIL SAMPLES <br /> FROM TEST PITS NEAR DISPENSER ISLAND <br /> Unocal Service Station No 6981 <br /> 4707 Pacific Avenue <br /> Stockton, Califorma <br /> Sample Ethyl Total <br /> Number TPHg Benzene benzene Toluene Xylenes <br /> May 13, 1988 <br /> S-4-LINE1 <2 <005 <005 <0 05 <0 05 <br /> S4-LINES <2 <0 05 <005 <0 05 <0 05 <br /> S-4-L1NE6 <2 <0 05 <005 <0 05 <0 05 <br /> S-4-LINE7 <2 <005 <0 05 <0 05 <0 05 <br /> May 19, 1988 <br /> S-19-LINE2 1,407 23 577 1022 3919 <br /> S-19-LINE2A <2 <0 05 <005 <0 05 <005 <br /> S-II-LINES <2 <0 05 <0 05 <0 05 <005 <br /> S-7-LINE4 <2 <0 05 <005 <005 <005 <br /> S-5-LINE8 <2 <0 05 <0 05 <005 <005 <br /> S-18-LINE 9 1,726 23 72 167 396 <br /> All results in parts per million (ppm) <br /> TPHg = Total petroleum hydrocarbons as gasoline <br /> < = Less than the detection hmrt for the analytical methods used <br /> Sample designation <br /> S-4-LINE1 Soil sample - sample depth (feet below grade) - sample location (see Plates 7, 8, & 9) <br /> 38032-13 <br />