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T�1 <br /> Groundwater Monitoring a 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 /> I OC=T op of Casing TPH-G=Total Petroleum Hydrocarbons as Gasoline MTBF=Methyl tertiary butyl ether <br /> (ft)=Feet B=Benzene (ppb)=Parts per billion <br /> G W E=Groundwater Elevation T=Toluene --=Not Measured/Not Analyzed <br /> (msl)=Mean sea level E=Ethylbenzene QA=Quality Assurance/Trip Blank <br /> DTW=Depth to Water X=Xylenes <br /> Total Oil and Greaee(TOG)was<5 000 ppb and TPH-Diesel (TPH-D)was detected at 70 ppb <br /> 2 Confirmation run <br /> ' I aboratory report indicates gasoline C6-C12 <br /> MTBE by EPA Method 8260 was analyzed outside the EPA recommended holding time <br /> ` MTBE by EPA Method 8260 <br /> BTEX and MTBE by EPA Method 8260 <br /> 9 1848 rls/#386392 9 As of 10/20104 <br />