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T4 <br /> Joint Groundwater Monito*ata and Analytical Results <br /> Former Shell Service Station <br /> I267 Country Club Boulevard <br /> Stockton,California <br /> EXPLANATIONS <br /> Joint groundwater monitoring data and laboratory analytical results were provided by Blame Tech Services,Inc <br /> TPH-G=Total Petroleum Hydrocarbons as Gasoline (ppb)=Parts per billion <br /> TOC=Top of Casing --=Not Measured/Not Analyzed <br /> (ft)=Feet B=Benzene <br /> DTW=Depth to Water T=Toluene <br /> t lbenzene <br /> GWE=Groundwater Elevation E Eby <br /> (msl)=Mean sea level X=Xylenes <br /> TPH-D=Total Petroleum Hydrocarbons as Diesel MTBE=Methyl tertiary butyl ether <br /> TOC elevations surveyed by Virgil Chavez Land Surveying on January 7,2002 The benchmark for this survey was a Cety of Stockton benchmark,being a desk on monument <br /> well in the intersection of Pershing Avenue and Country Club Boulevard,(Elevation=4 71 ft NGVD 29) <br /> 1 Monitoring performed on a different date than the Tosco(Former BP)Service Station <br /> 2 TPH-G,BTEX and MTBE by EPA Method 8260 <br /> 11192 x1s/#180288 23 As of 01/03/03 <br />