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s: <br /> Lh..."............... <br /> jl Groundwater beneath the sit,.appears to occur in an unconfined sand,silt,and <br /> clay matrix flawing in approximately an easterly direction. The groundwater <br /> gradient is approximately 0.005 ft/ft. Groundwater contours as measured on <br /> �; becember 27; 1dN9 re presented In Figure 7. Seasonal groundwater level data <br /> �.� collected since duly of I98g are plotted and presented in Appendix C, ' <br /> 4.4 WIN AND STOCKPILE SAAPLIBO <br /> As discussed In Section 3,drum and stockpile.grab samples were oile'ted and .f <br /> analyzed for TPN as gasoline and BTKSE. Results from the drum and tackpi1e sotI ff <br /> L7 sampl Ing are presented in Table 3. - <br /> � ` As illustrated In Table 3,allgrabsamples showed Only trace-to non-detectable <br /> L1 levels of petroleum hydrocarbon constltuents. -��• - <br /> Ll <br /> Jl <br /> Ll <br /> 1 _ ! <br /> u� <br /> T <br />