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I <br /> December 16, 1992 <br /> Unocal Service Station No 6981, Stockton, California Working To Restore Nature <br /> I <br /> TABLE 4 <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, California <br /> Sample Ethyl Total <br /> Number TPHg Benzene benzene Toluene Xylenes <br /> I May 13, 1988 <br /> S-4-LINE1 <2 <0 05 <005 <0 05 <0 OS <br /> S-4-LINE2 382 0 10 609 327 6977 <br /> S-4-LINE3 227 012 343 363 5797 <br /> S-4-LINE4 4 <0 05 <0 05 025 025 <br /> S-4-LINE5 <2 <0 05 <0 05 <0 05 <0 05 <br /> S-4-LINE6 <2 <0 05 <0 05 <0 05 <0 05 <br /> S-4-LINE7 <2 <0 05 <0 05 <0 05 <005 <br /> S-4-LINE8 <2 <0 05 <0 05 <0 05 024 <br /> S-4-LINE9 <2 <0 05 <0 OS <0 05 0 16 <br /> • May 19, 1988 <br /> 5-19-LINE2 1,407 23 577 1022 3919 <br /> 5-19-LINE2A 2 <005 <005 <0 05 <0 05 <br /> 5-11-LINE3 <2 <0 05 <005 <0 05 <0 05 <br /> S-7-LINE4 <2 <0 05 <005 <0 05 <0 05 <br /> S-S-LINER <2 <005 <0 05 <0 05 <0 05 <br /> 5-18-LINE9 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 limit for the analytical methods used <br /> Sample designation <br /> S-4-LINEI Soil sample - sample depth (feet below grade) - sample location (see Plate 3) <br /> • <br /> 38032-10 <br />