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6/ Failure to minimize disturbance to the prevailing hydrologic balance. <br /> Specifically, failure to maintain the sediment and drainage control system. <br /> L"�(j ZQ ioy\ - <br /> �� The Mines 1 and 2 sediment and drainage A9 control system. <br /> & ktU <br /> /> Failure to follow the approved mine plan. <br /> / ge of coal <br /> waste on the Mine No. 3 lower and middle bin ppads,cwhich wereally, agiven smallaar <br /> exemptions from construction of sediment ponds, and destruction of the ea <br /> drainage control berms and ditches at the middle bin pad. <br /> a) The Mine No. 3 lower and middle bin pads. <br /> �1 Failure to minimize disturbance to the prevailing hydrologic balance. <br /> Specifically, coal spillage onto the haul road from an access door in the <br /> conveyor between the Mine No. 3 middle and lower bins; snow mixed with coal <br /> and/or coal waste on the embankment of the south Mine No. 3 sediment ponds and <br /> on the southeast edge of the mine bench; drainage bypassing the south <br /> Mine No. 3 sediment ponds and eroding the embankment; the embankment of the <br /> south Mine No. 3 ponds was sloped to the outside rather than to the inside; <br /> oil spillage from the Mine No. 3 hoist house; the berm/ditch directing <br /> drainage to the south Mine No. 3 sediment ponds was non-functional ; and the <br /> drainage ditch on the north side of the Mine No. 3 bench was filled in. <br /> The Mine No. 3 surface facilities area. <br /> Failure to minimize disturbance to the hydrologic balance. Specifically, <br /> failure to maintain the drainage control system. <br /> The rock tunnel site. Specifically, the drop-box conveying drainage to the <br /> temporary sediment pond. <br />