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Table 1 <br /> Groundwater Elevation and Analytical Data(CHEVRON) <br /> Chevron Service Station 99-4275 <br /> 2905 Benjamin Holt Drive <br /> Stockton,California <br /> Well Groundwater Depth Ethyl- Xylenes <br /> Well Date Elevation Elevation to Water TPHg Benzene Toluene benzene (total) MISE <br /> ID Sampled (ft,MSL) A MSL) (ft.TOC) (Ug/0 (ug/!) (ugR) (ug/!) (ugR) NO) <br /> DEFINITIONS: <br /> Groundwater monitoring data and laboratory analytical results prior to June 13,2000,were compiled from reports prepared by Blaine Tech Services.Inc. <br /> (ft.)=Feet --=Not Measured/Not Analyzed <br /> (MSL)=Mean sea level (D)=Duplicate <br /> TOC=Top of casing (A)=Anomalous <br /> (ugA)=Micrograms per liter (S)=Sequoia Analytical <br /> TPHg=Total petroleum hydrocarbons as gasoline (K)=Kiff Analytical <br /> MtBE=Methyl tertiary butyl ether <br /> NOTES; <br /> '=Laboratory report indicates weathered gasoline C6�C12. <br /> =Laboratory report indicates gasoline C6-Cl 2. <br /> '=Laboratory report indicates unidentified hydrocarbons C6-C12. <br /> =The result for this hydrocarbon is elevated due to the presence of single analyte peak(s)in the quantitation range. <br /> °=Laboratory report indicates weathered gasoline. <br /> °=Laboratory report indicates sample was reanalyzed on January 2,2001. MISE did not confirm, Vial did contain headspace. <br /> '=The TPHg result was 1400 ugn which was attributed to the presence of MTBE. <br /> =Hydrocarbons were found in the range of gasoline,but do not resemble a gasoline fingerprint. <br /> °=Analysis by EPA Method 8260. <br /> w <br /> I:ZhevronW4275Wedodic Monitoring%Q M 11194275_QMR AS <br /> 12 of 12 <br />