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Tabl ` <br /> Groundwater Monitonng D*nd Analytical Results <br /> Chevron Service Station#9-6171 <br /> 6633 Pacific Avenue <br /> Stockton,California <br /> EXPLANATIONS <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 (ppb)=Parts per billion <br /> (msl)=Mean sea level X=Xylenes -- Not MeasuredfNot Analyzed <br /> DTW=Depth to Water MTBE=Methyl tertiary butyl ether <br /> TPH-G=Total Petroleum Hydrocarbons as Gasoline <br /> I Chromatogram pattern indicates an unidentified hydrocarbon <br /> 2 Chromatogram pattern indicates a gas and unidentified hydrocarbon <br /> S <br /> Confirmation run <br /> 4 Laboratory report indicates Bis-(2-Ethyihexyl)-Phthalate was detected at 15 ppb and Butyl-Benzyl-Phthalate was detected at 9 9 ppb <br /> ` Gasoline range concentration reported,peaks are representative of tetrachloroethane and trace amount of gasoline <br /> 6 Laboratory report indicates discrete peaks <br /> 7 MTBE by EPA Method 8260 <br /> B MTBE by EPA Method 8264 was analyzed outside the EPA recommended holding time <br /> 9 6171 xls/#385121 15 As of 05/25/01 <br /> I <br />