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with a minimum of two feet of soil material. The excavation will maintain at least an eight foot barrier of soil <br />material between the adjacent coal refuse waste pile and the non -coal disposal area, and excavation depth will be <br />limited so that the bottom of the excavation is well above the natural ground water table in the area. <br />The total area for this facility is approximately 4.5 acres, however, only a portion of the area will be in active use at <br />any given time. Waste materials will be placed, spread, and compacted to assure long -term stability. If the waste <br />disposal area is used for non -coal wastes that could be subject to wind -loss or vector infestations, or which may be <br />flammable, sufficient cover material will be maintained in stockpile to both meet applicable final cover <br />requirements, and provide for temporary cover requirements. A temporary cover of inert soil material will be <br />placed over active disposal areas, as needed, to minimize the potential for wind -loss and provide vector control. <br />Surface drainage will be controlled by the ditch and pond system already in- place, as shown on Map 26, Drainage <br />and Sediment Control Plan. <br />The final cover placement will consist of a minimum of two feet of suitable, non -toxic cover material, including <br />spoil or other cover material and topsoil or best available plant - growth media (in accordance with Rule 4.11.4). <br />These areas will then be revegetated by seeding with a cropland seed mix (Table 65) appropriate to the approved <br />postmining land -use as shown on the Reclamation Plan Map (Map 29). All seeded areas will be straw mulched at a <br />rate of two tons /acre. <br />Return of Coal Processing Waste to Underground Workings <br />No coal processing waste will be returned to underground mine workings, except that rock generated during <br />development work can be placed in rock rooms underground. This material does not leave the mine and sees no <br />processing. The use of rock rooms has been previously discussed. <br />TR14 -36 2.05 -20 Revised 03/04/14 <br />