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Subsuz-face Environmental Investigation November 29, 1988 <br /> ARCO Service Station 760, Lodi, California AGS 38048-1 <br /> TABLE 1 <br /> RESULTS OF CHEMICAL ANALYSES OF SOIL SAMPLES <br /> FROM THE WASTE-OIL TANK CAVITY <br /> ARCO Service Station No. 760 <br /> 255 South Cherokee Lane <br /> Lodi, California <br /> Regulatory Criteria <br /> Constituent Concentration STLC TTLC <br /> TPH as gasoline 29 <br /> TPH as diesel 560 <br /> Benzene <0. 1 <br /> Toluene <0. 1 <br /> Ethylbenzene 3 . 5 <br /> Total xylenes 0.5 <br /> Halogenated volatile organics 0. 69* <br /> PCB' s ND <br /> Chromium 13 560 2 , 500 <br /> Total lead 17 None 13 . 0 <br /> Gravimetric waste oil 1600 <br /> as petroleum oil <br /> Results in parts per million (ppm) <br /> TPH = Total petroleum hydrocarbons <br /> PCB = Polychlorinated biphenyl <br /> STLC = Soluble Threshold Limit Concentration <br /> TTLC = Total Threshold Limit Concentration <br /> * = 1, 2 Dichlorobenzene <br /> < = Below indicated laboratory detection limit <br /> ND = Not detected above laboratory detection limits <br /> for various constituents <br /> Sample designation: <br /> S-07-WOT <br /> �— Waste oil tank <br /> Depth of sample below ground surface <br /> Soil sample <br /> 6 <br /> Applied GeoSystems <br />