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r ; f <br /> x <br /> 121 <br /> Work Plan, Evaluation of Soil and Ground Water December k. 1989 <br /> Unocal Station No. 6981, Stockton, California AGS 381132-3W s <br /> r"± <br /> TABLE 1 W� <br /> ! RESULTS OF CHEMICAL ANALYSES OF SOIL SAMPLES FROM TEST PITS <br /> Unocal Service Station No. 6981 <br /> r:t Stockton, California <br /> (May 13, 1988) <br /> Location Sample Ethyl- Total <br /> Number Number TPH Benzene Toluene benzene Xylenes <br /> E <br /> 1 5-4-:LINE1 <2 <0.05 <0.05 <0.05 <0.05 <br /> 2 S-4-LINE2 382 0.10 3.27 6.09 69.77 <br /> 3 S-4-LINE3 227 0.3.2 3.63 3.43 57.97 <br /> 4 S-4-LINE4 4 <0.05 0.25 <0.05 0.25 <br /> 5 S-4-LINE5 <2 <0.05 <0.05 <0.05 <0.05 <br /> ? ) g S-4-LINE6 <2 <0.05 <0.05 <0.0.5 <0.05 <br /> 7 S-4-LINE7 <2 <0.05 <0.05 <0.05 <0.05 <br /> g S-4-LINES <2 <0.05 <0.05 <0.05 0.24 <br /> g S-8-LINE9 <2 <0.05 <0.05 <0.05 0.16. <br /> Sample location numbers refer to locations on Plate P-2 <br /> Results listed in parts per million <br /> TPH Total petro?.eum hydrocarbons <br /> < = Less than the detection limit for the analytical <br /> methods used. <br /> SAMPLE DESIGNATION <br /> S-4-LINE1 <br /> Sample identification number and location designation <br /> Line: test pit excavation along product pipeline <br /> Depth of sample <br /> Soil matrix <br /> The test pit at sample location 9 (Plate P-2) was excavated to a depth of 23 feet and a soil <br /> sample collected at that depth for laboratory analysis. Laboratory analysis of this soil <br /> sample indicated the concentration of TPH as gasoline was below detection limits for the <br /> ;- =----------------- - -----lest-used.------- <br /> A,1007ed 000SYStMOS - <br />