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TABLE A <br /> UST and Used-Oil Tank Excavations, Product Piping, Dispenser, and Oil/water Separator Sampling Summary <br /> Chevron Service Station No. 9-1452 <br /> 334 East Main Street, Ripon, California <br /> Results in mg/Kg - parts per million (ppm) <br /> Used-oil Tank Sampling Results <br /> Depth TPH- TPH- <br /> Sarrlple ED (ft) Laboratory Date Gasoline Benzene Toluene Ethylbenzene Xylenes Diesel TRPH <br /> PH <br /> 11 Sequoia 27-Sep-95 ND ND ND ND ND ND ND <br /> T4-S-110 11 Sequoia 27-Sep-95 NO NO NO NO NO NO NO <br /> Sample ID D(eftth Laboratory Date Cadmium Chromium Lead Nickel Zinc 8010 8270 <br /> T4-N-110 11 Sequoia 27-Sep-95 NO 11 NO 11 56 NO NO <br /> T4-S-110 11 Sequoia 27-Sep-95 NO 12 NO 12 51 NO NO <br /> Oillwater Separator Sampling Results <br /> Sample ID D(etpth Laboratory Date TPH Benzene Toluene E;thylbenzene Xylenes TPH TRPH <br /> Gasoline diesel <br /> OWS 1-5 0 5 Sequoia 4-Oct-95 NO NO NO ND NO NO NO <br /> Sample ID D(eftpth Laboratory Date Cadmium Chromium Lead Nickel zinc 80110 <br /> OWS-1-5 0 5 Sequoia 4-Oct-95 NO 5 5 NO 6 3 21 NO <br /> TPH Gasoline = Total Petroleum Hydrocarbons calculated as Gasoline 8270 = Semi-Volatile Organics <br /> TPH Diesel = Total Petroleum Hydrocarbons calculated as Diesel ND = Not detected at or above laboratory detection limits <br /> TRPH=Total Recoverable Petroleum Hydrocarbons(SM 5520 E&F) NA = Analysis not requested <br /> 8010 = Halogenated volatile Organics <br /> 9 1452 Page 2 <br />