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i� <br /> Groundwater Monitoring Data and Analytical Results <br /> Chevron Service Station#9-9840 <br /> 4344 Waterloo Road <br /> Stockton,California <br /> EXPLANATIONS I �` <br /> It i <br /> Groundwater monitoring data and laboratory analytical results prior to June 22,2000,were compiled from reports prepared by Blame Tech Services, Inc ; <br /> TOC=Top of Casing TPH-G=TII`tal Petroleum Hydrocarbons as Gasoline MTBE—Methyl tertiary butyl ether <br /> ft Feet B=Benzene (ppb)=Parts per billion <br /> GWE=Groundwater Elevation �T=Toluene --=Not Measured/Not Analyzed <br /> I <br /> (msl)=Mean sea level E=Ethylbenzene QA=Quality AssurancelTrip Blank <br /> I` II NP=No Pur el <br /> DTW Depth to Water l X=I�ylen j� g <br /> Laboratory report indicates gasoline C6-C12}unidentified hydrocarlfbfons C6-C12 I <br /> MTBE by EPA Method 8260 <br /> 3 Laboratory report indicates gasoline C6-C12 V <br /> 4 Laboratory report indicates gasoline ' <br /> 5 Laboratory report indicates unidentified hydrocarbons C6-C12' <br /> e BTEX and MTBE by EPA Method 8260 �II <br /> 7 Data provided by Secor International,Inc <br /> s Laboratory confirmed analytical result �� I <br /> A n <br /> r 1 <br /> ' E � <br /> i <br /> I I <br /> li <br /> r <br /> t <br /> 9 9840 xis/#386846 I 7 i As of 10/27/05 <br />