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2 <br /> Groundwater Momto ' to and Analytical Results <br /> Chevron Service Station#9-4275 <br /> 2905 West Benjamin Holt Drive <br /> Stockton,California <br /> WELL IDi TQC GWE DTW TPH-G B T E X MTBE <br /> DATE (A) (ntrl) A) (Ppb) (PPh) (Ppb) (IiI>b) (Ppb) (Ppb) <br /> EXPLANATIONS <br /> Groundwater monitoring data and laboratory analytical results prior to June 13,2000,were compiled from reports prepared by Blaine Tech Services,Inc <br /> TOC=Top of Casing B=Benzene --=Not MeasuredlNot Analyzed <br /> (ft)=Feet T=Toluene (D)=Duplicate <br /> GWE=Groundwater Elevation E=Ethylbenzene (A)=Anomalous <br /> (ms])=Mean sea level X=Xylenesg <br /> ( )=$equoia Analytical <br /> DTW=Depth to Water MTBE=Methyl tertiary butyl ether (K)=Kiff Analytical <br /> TPH-G=Total Petroleum Hydrocarbons as Gasoline (ppb)=Parts per billion <br /> I Laboratory report indicates weathered gasoline C6-C12 <br /> 2 Laboratory report indicates gasoline C6-C12 <br /> 3 Laboratory report indicates unidentified hydrocarbons C6-C12 <br /> d The result for this hydrocarbon is elevated due to the presence of single analyte peak(s)in the quantitation range <br /> 5 Laboratory report indicates weathered gasoline <br /> 6 Laboratory report indicates sample was reanalyzed on January 2,2001 MTBE did not confum Vial did contain headspace <br /> 7 The TPH-Gasohne result was 1400 ppb which was attributed to the presence of MTBE <br /> 8 Hydrocarbons were found in the range of gasoline,but do not resemble a gasoline fingerprint <br /> 9 Analysis by EPA Method 8260 <br /> I <br /> 9-4275-NF As <br />