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}-F <br /> Lammersville school District <br /> 202/799-8221 <br /> - July 28. 1987 <br /> gradient underlying this site is relatively flat (about 1 <br /> percent ) . The interpreted flow direction is towards the <br /> northeast (sae Figure 4 , Groundwater Gradient til, <br /> TABLE 1 <br /> GROUNDWATER MONITORING SUMMARY <br /> Well Wellhead Depth to <br /> - Pate ID elevation (ft Water ft Comments <br /> 6/19/87 MWS 99 .60 6. 16 Slight fresh gas <br /> odor <br /> MW2 99.69 8 . 24 <br /> _ MW3 99. 51 7 .64 <br /> MW4 100.39 8 .32 <br /> MW5 98.51 7 . 25 <br /> 6/22/87 MW1 99.60 8 . 21 Slight fresh gas <br /> odor <br /> MW2 99. 69 8 . 34 Slight degraded <br /> gas odor <br /> MW3 99 .51 7 . 73 <br /> MW4 100.39 8 .37 <br /> MW5 98.51 7 .39 <br /> 6/24/87 MW1 99.60 8.40 Sheen, fresh gas <br /> odor <br /> MW2 99.69 8.48 Sheen, fresh gas <br /> odor <br /> MW3 99.51 7.83 <br /> MW4 100.39 8.50 <br /> MW5 98 .51 7. 54 <br /> 13 <br />