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• piezometer and submitted for similar laboratory analyses The borings will be plugged and <br /> abandoned using cement to the ground surface after groundwater sampling Laboratory <br /> analyses for soil and groundwater samples are shown in Table 1 <br /> Table 1 Soil and Groundwater Analyses <br /> Site Analyses Analytical Method <br /> B Total Petroleum Hydrocarbons gasoline EPA Method 8015M <br /> range organics (TPH-GRO) <br /> Benzene EPA Method 8260B <br /> Toluene EPA Method 8260B <br /> Ethylbenzene EPA Method 8260B <br /> Xylenes EPA Method 82608 <br /> 5 oxygenates EPA Method 8260B <br /> 1,2 DCA analytes EPA Method 8260B <br /> • Bunker Total Petroleum Hydrocarbons diesel EPA Method 8015M <br /> range organics (TPH-DRO) <br /> Total Residual Petroleum Hydrocarbons EPA Method 418 1 <br /> Benzene EPA Method 8260B <br /> Toluene EPA Method 82608 <br /> Ethylbenzene EPA Method 82608 <br /> Xylenes EPA Method 82608 <br /> 2 3 Reporting <br /> Spreckels will provide the results of this investigation in a letter report to San Joaquin County <br /> including tabulated analytical data and appropriate figures Additional investigation or no further <br /> action will be recommended as appropriate <br /> H 5pro}ectsSSpreckels\TracyTinal\Letters 031KnoII01wkplan doc 2 <br />