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Table t <br /> Groundwater Monitoring Da4d Analytical Results { <br /> Chevron Service Sta n#9-1848 <br /> I <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 /> TPH-G=Total Petroleum Hydrocarbons as Gasoline MTBE=Methyl ternary butyl ether <br /> TOC=Top of Casing <br /> 8=Benzene (ppb)=Parts per billion <br /> (ft)=Feet _ <br /> GWE=Groundwater Elevation <br /> T=Toluene -=Not MeasuredMot Analyze <br /> (msl)—Mean sea level <br /> E=Ethylbenzene QA=Quality Assurance/Trip Blank <br /> DTW=Depth to Water X=Xylenes <br /> I 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-C 12 <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 /> 9-1848 xis/#386392 9 As of 07/23/05 <br />