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Table 2 <br /> Groundwater Elevation Analytical Data <br /> Chevron Service Station#9-4275 <br /> 2945 Benjamin Holt Drive <br /> Stockton,California <br /> Well Groundwater Depth Ethyl- Xylenes <br /> Well Date Elevation Elevation to Water TPHg Benzene Toluene benzene (total) MtBE <br /> ID Sampled (ft MSL) (ft,MSL) (ft TOC) (ppb) (ppb) (ppb) (ppb) (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 /> (ft)=Feet =Not Measured/Not Analyzed <br /> (MSL)=Mean sea level (D)=Duplicate <br /> TOC=Top of casing (A)=Anomalous <br /> (ppb)=Parts per billion (S)=Sequoia Analytical <br /> TPHg=Total petroleum hydrocarbons as gasoline (K)=Kdf Analytical <br /> MtBE=Methyl tertiary butyl ether <br /> 1=Laboratory report indicates weathered gasoline C6 C12 <br /> 2=Laboratory report indicates gasoline MCI 2 <br /> s=Laboratory report indicates unidentified hydrocarbons C6-C12 <br /> 4=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 /> 5=Laboratory report indicates sample was reanalyzed on January 2,2001 MtBE did not confirm Vial did contain headspace <br /> =The TPHg result was 1400 ppb which was attributed to the presence of MtBE <br /> 9=Hydrocarbons were found in the range of gasoline,but do not resemble a gasoline fingerprint <br /> 9=Analysis by EPA Method 8260 <br /> Chevron19427514MR19.4275 NF 17 <br />