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August 11, 1992 <br /> iARCO Service Station 2168, Stockton, California Working To Restore Nature <br /> I <br /> TABLE 2 <br /> RESULTS OF ADDITIONAL ANALYSES OF SOIL SAMPLES <br /> ARCO Station No. 2168 <br /> 441 Charter Way <br /> Stockton, California <br /> (April and May 1992) <br /> Sample <br /> Number TOG TEH HVO PCB Cd Cr VI Cr Pb Zn Ni <br /> S-40. 5-B7 <50 7 .4 * * 0. 68 <0. 13 36 5. 3 43 33 <br /> S-31. 5-B9 -- -- - - -- -- -- 4 . 1 -- -- <br /> S-0507-1ABCD -- -- - - -- -- -- 4 .7 -- -- <br /> Results in parts per million <br /> TOG = Total oil and grease <br /> TEH = Total extractable hydrocarbons C8 - C30 (Refer to <br /> "Hydrocarbon Ranges for Luft Analysis" , attached) <br /> HVO = Halogenated volatile organic compounds <br /> PCB = Polychlorinated biphenyls <br /> Cd = Cadmium, Cr = Chromium, Cr VI = Hexvalent Chromium, Pb = Lead, <br />!E Ni = Nickel, Zn = Zinc <br /> * = Concentrations of all analytes below detection limits <br /> < = Less than the detection limit for the analytical methods used <br /> Sample designation: <br /> S-40.5-B7: Soil - Sample depth in feet - Boring number <br /> 0526ccar <br /> 31009-4 <br />