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TABLE 1 <br />Current Groundwater Monitoring & Analytical Data <br />Former Chevron Service Station No. 94054 <br />2103 Country Club Boulevard, Stockton, California <br />Notes: <br />TPH-DRO = Total petroleum hydrocarbons as diesel range organics <br />TPH-GRO = Total petroleum hydrocarbons as gasoline range organics <br />B = Benzene <br />T = Toluene <br />E = Ethylbenzene <br />X = Total xylenes <br />MTBE = Methyl Tert-Butyl Ether <br />TBA = Tert-Butyl Alcohol <br />TAME = Tert-Amyl Methyl Ether <br />1,2-DCA = 1,2-Dichloroethane <br />EDB = 1,2-Dibromoethane <br />D.O. = Dissolved Oxygen <br />DTW = Depth to water <br />SPH = Separate Phase hydrocarbons <br />GWE = Groundwater Elevation <br />Calc. GW Elev. = Calculated groundwater elevation = TOC - Depth to Water + 0.75*(Measured SPH Thickness) assuming a specific gravity of 0.75 for SPH <br />ft-MSL = feet above mean sea level <br />ft = feet <br />pg/L = Micrograms per liter <br />mg/L = Miligrams per liter <br />< = Analyte was not detected above the specified method reporting limit <br />= Not measured or analyzed <br />94054 GW Tables xls Page 2 of 2 Stantec