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Tabs <br /> . Groundwater Monitoring Dmtd 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 TPH-G-Total Petroleum Hydrocarbons as Gasoline MTBE-Methyl tertiary butyl ether <br /> (ft)=Feet B-Benzene (ppb)=Parts per billion <br /> OWE=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 /> t Total Oil and Grease(TOG)was<5,000 ppb and TPH-Diesel(TPH-D)was detected at 70 ppb <br /> Confirmation run <br /> ' 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 /> 6 BTEX and MTBE by EPA Method 8260 <br /> 9-1648 eld#386392 9 As of 10/31/05 <br />