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Table 1 <br /> Groundwater Monitoring&and Analytical Results IS sy <br /> Chevron Servic tion 49-1848 <br /> 1257 Yosemite Avenue <br /> Manteca,California 1 <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 /> WE=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 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 /> 4 MTBE by EPA Method 8260 was analyzed outside the EPA recommended holding time <br /> 5 MTBE by EPA Method 8260 <br /> 6 BTEX and MTBE by EPA Method 8260 <br /> I <br /> 9-1848 rls/#386392 9 As of 01/24/05 <br />