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• the north and east sides of the property which drain to Sediment Pond #2. Sediment <br />accumulation in Sediment Pond #2 has not been a problem in ] 0 years of use. <br />All pit sumps and water accumulation in pits have been filled and eliminated. Future needs <br />for dust suppression will be drawn from LFH #l . <br />Due to the deep eolian sand, flat topography, and subsequent low CN numbers at this site, <br />there is more downward percolation of the rain water during major events than horizontal <br />flow. In this case, there is only a 0.6' elevation drop from the gate area to the north end of <br />the pile. This is only a drop of 0.15%. Any deeper excavation here would involve another <br />400' of ditch down to the west along the north side of Al and B1, or another <br />impoundment, and is not considered necessary for the historical reasons stated above. <br />r, <br />U <br />L <br />106 5/96 <br />