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E <br /> Table 1 <br /> Groundwater Monitoring Data and Analytical Results <br /> Chevron Service Station#9-6171 <br /> 6633 Pacific Avenue <br /> kStockton,California <br /> EXPLANATIONS• <br /> , <br /> Groundwater monitoring data and laboratory analytical results prior to May 22,2000,were compiled from reports prepared by Blaine Tech Services,Inc <br /> x <br /> TOC=Top of Casing TPH-G=Total Petroleum Hydrocarbons as Gasoline MTBE=Methyl tertiary butyl ether <br /> i <br /> (ft)=Feet B=Benzene EDB=Ethylene Dibromide <br /> GWE=Groundwater Elevation r T=To]uene TOG=Total Oil&Grease <br /> �1 <br /> (msl)=Mean sea level E=Ethylbenzene (ppb)=Parts per billion <br /> DTW=Depth to Water X=Xylenes --=Not Measured/Not Analyzed <br /> * TOC elevations were surveyed in July of 2001,by Morrow Surveying Elevations are based on San Joaquin County Benchmark 12,a brass disc marking <br /> cos monument stamped"lhl4"in monument box on the east side of,Paciflc Avenue at the approximate centerline Belamm Holt Drive,(Elevation= 11 02) <br /> E Chromatogram pattern indicates an unidentified hydrocarbon r. <br /> Z Chromatogram pattern indicates a gas and unidentified hydrocarbon` <br /> I Confirmation run <br /> 1 <br /> 4 Laboratory report indicates Bis-(2-Ethylhexyl)-Phthalate was detected at 15 ppb and Butyl-Benzyl-Phthalate was detected at 9 9 ppb <br /> 1 S <br /> s Gasoline range concentration reported,peaks are representative of tetrachloroethane and trace amount of gasoline <br /> 6 Laboratory report indicates discrete peaks <br /> 7 <br /> MTBE by EPA Method 8260 <br /> a MTBE by EPA Method 8260 was analyzed outside the EPA recommended holding time <br /> 9 Survey data unavailable <br /> E <br /> f <br /> i <br /> F <br /> i <br /> i <br /> F <br /> i <br /> F� <br /> E <br /> ylyl <br /> 1 I <br /> j <br /> Sf <br /> E <br /> 9-6171 x5121 # = AS/11/01 <br />