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TABLE B <br /> Overexcavation Sampling Summary <br /> Chevron Service Station No. 9-4183 <br /> 236 North Ham Lane, Lodi, California <br /> Results in mg/Kg -parts per million(ppm) <br /> Used-oil Tank Overexcavation Sampling Results <br /> Sample ID Depth Laboratory Date TPH Benzene Toluene Ethylbenzene Xylenes TPN- TRPH 8010 8270 <br /> (ft) Gasoline Diesel <br /> WOX-1-18 0 18 Sequoia 10-Apr-96 ND NO ND ND NO NA ND NA NA <br /> WOX-2-16 5 165 Sequoia 26-Apr-96 NO ND ND ND NO NO ND NO NA <br /> WOX-3-16 5 165 Sequoia 26-Apr-96 ND ND NO NO NO ND ND ND NA <br /> WOX-4-16 5 165 Sequoia 26-Apr-96 NO NO ND ND 0 014 NO ND NO NA <br /> WOX-5-16 5 165 Sequoia 26-Apr-96 NO NO NO NO NO NO NO NO NA <br /> WOX-B-21 0 21 Sequoia 26-Apr-96 NO NO NO ND 0 013 NO ND NO NO <br /> TPH-Gasobne = Total Petroleum Hydrocarbons calculated as Gasoline <br /> TPH-Diesel = Total Petroleum Hydrocarbons calculated as Diesel <br /> TRPH=Total Recoverable Petroleum Hydrocarbons(SM 5520 E&F) <br /> 8010 = Halogenated Volatile Organics(EPA 8010) <br /> 8270 = Semi-Volatile Organics(EPA 8270) <br /> ND = Not detected at or above laboratory detection limits <br /> NA = Analysis not requested <br /> 9-4183 <br /> Page 1 <br />