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Ta <br /> Groundwater Monitoring and Analytical Results <br /> Chevron Service Station#9-1848 <br /> 1257 Yosemite Avenue <br /> Manteca,California <br /> EXPLANATIONS <br /> Groundwater monitoring data and laboratory analytical results prior to May 18,2000,were compiled from reports prepared by Blaine Tech Services,Inc <br /> TOC=Top of Casing B=Benzene (ppb)=Parts per billion <br /> (ft)=Feet T=Toluene =Not Measured/Not Analyzed <br /> GWE=Groundwater Elevation E=Ethylbenzene <br /> (msl)=Mean sea level X=Xylenes <br /> DTW=Depth to Water MTBE=Methyl tertiary butyl ether <br /> TPH-G=Total Petroleum Hydrocarbons as Gasoline <br /> Total Oil and Grease(TOG)was<5,000 ppb and TPH-Diesel(TPH-D)was detected at 70 ppb <br /> 2 Confirmation run <br /> I Laboratory report indicates gasoline C6-C12 <br /> MTBE by EPA Method 8260 was analyzed outside the EPA recommended holding time <br /> s MTBE by EPA Method 8260 <br /> I <br /> 9 1848 xls/#386392 <br /> 8 As of 07/12/01 <br />