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0 <br /> Generally two to three soil samples from each soil boring are submitted for chemical <br /> analysis. Soil samples selected for analysis typically represent the highest PID, the <br /> sample just above first-encountered groundwater and the base of the boring. <br /> Cement grout containing 5 percent bentonite or concrete was placed via tremmie pipe to <br /> the ground surface. A concrete traffic-rated vault box was installed over the monitoring <br /> well. A watertight locking cap was installed over the top of the well casing. <br /> /f CO O <br /> SAC:\N:\Consulting\data\Shared\Projects\Pd8\809251.aa.doc-00\ta:1 <br /> 809251 <br />