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Ta <br /> Groundwater Monitoringland 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)=Peet 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 /> Z Confirmation run <br /> Laboratory report indicates gasoline C6-C12 <br /> ° MTBE by EPA Method 8260 was analyzed outside the EPA recommended holding time <br /> 9 1848 xlsl#386392 8 As of 05/23101 <br />