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Table 1 <br /> Groundwater Monitoringnd Analytical Results <br /> Chevron Service ation#9-6171 <br /> 6633 Pacific Avenue <br /> Stockton,CaliforniaEXPLANATIONS <br /> Groundwater monitoring data and laboratory analytical results prior to May 22,2000,were compiled from reports prepared by Blaine Tech Services,Inc <br /> TOC=Top of Casing B=Benzene EDB=Ethylene Dibromide <br /> (ft)=Feet T=Toluene TOG=Total Oil&Grease <br /> GWE=Groundwater Elevation E=Ethylbenzene (pph)=Parts per billion <br /> (msl)=Mean sea level X=Xylenes =Not Measured/Not Analyzed <br /> DTW=Depth to Water MTBE=Methyl tertiary butyl ether <br /> TPH-G=Total Petroleum Hydrocarbons as Gasoline <br /> * TOC elevations were surveyed in July of 2001,by Morrow Surveying Elevations are based on Solono County Benchmark 12,a brass disc marking <br /> cos monument stamped"1N-4"in monument box on the east side of Pacific Avenue at the approximate centerline Belamin Holt Drive (Elevation= 11 02) <br /> i Chromatogram pattern indicates an unidentified hydrocarbon <br /> 2 Chromatogram pattern indicates a gas and unidentified hydrocarbon <br /> I Confirmation run <br /> i <br /> Laboratory report indicates Bis-(2-Ethylhexyl)-Phthalate was detected at 15 ppb and Butyl-Benzyl-Phthalate was detected at 9 9 ppb <br /> 5 Gasoline range concentration reported,peaks are representative of tetrachloroethane and trace amount of gasoline <br /> 6 Laboratory report indicates discrete peaks <br /> MTBE by EPA Method 8260 <br /> x MTBE by EPA Method 8260 was analyzed outside the EPA recommended holding time <br /> 9 Survey data unavailable <br /> 9 6171 xl0#385121 15 M of 07/12/01 <br />