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August 11. 1992 <br /> ARCO Service Station 2168, Stockton, California Working To Restore Nature <br /> h <br /> TABLE 4 <br /> RESULTS OF LABORATORY ANALYSES OF GROUND-WATER SAMPLES <br /> ARCO Service Station No. 2168 <br /> 441 Charter Way <br /> Stockton, California <br /> Well Sample Ethyl- Total <br /> Number Date TPHg Benzene Toluene benzene Xylenes <br /> I <br /> W-40-MW1 06/11/92 60, 000 5, 900 1, 600 430 800 <br /> W-40-MW2 06/11/92 14, 000 2 , 100 160 <50 1, 100 <br /> W-39-MW3 06/11/92 65, 000 13 , 000 3 , 000 1, 800 8, 300 <br /> Results in parts per billion <br /> TPHg = Total petroleum hydrocarbons as gasoline <br /> < = Less than the detection limit for the analytical methods used <br /> Sample designation: <br /> W-40-MW1: Water sample - Sample depth in feet - well number <br /> 0526ccar <br /> 31009-4 <br /> I <br />