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West Elk Mine <br />. Refuse Production During Permit Term <br />During the permit term, development and coal-processing wastes will be produced from mining <br />in the E Seam and B Seam. Two-cycle mining on development and ventilation construction <br />activities will be the primary sources of waste from the E Seam and B Seam. Some waste may <br />also be generated from the continued rehabilitation of the F Seam main ventilation and access <br />entries. With the crusher, screens and rotary breaker circuit, the least amount of coal processing <br />waste will be produced. <br />All refuse generated during this permit term will be disposed in the Lower Refuse Pile and the <br />RPE azea. The Lower Refuse Pile will reach its maximum storage capacity in 1997. Estimates <br />of the annual waste production and storage capacity of the RPE area refuse aze shown in Exhibit <br />70. These conservative estimates show that the RPE disposal azea will handle all the waste <br />generated during this permit term. <br />(9)Return of Coal Mine Waste to Abandoned Workinss <br />MCC does not return coal waste generated from the mine to its abandoned mine workings at <br />West Elk Mine. All refuse is disposed of in the Lower Refuse Pile and RPE area. <br />(10)Return of Coal Processin¢ Waste to Abandoned Worlcines <br />MCC does not return coal processing waste generated at West Elk Mine to the underground <br />workings. All coal refuse is disposed of ni the lower refuse disposal azea. <br />(11)Disposal of Non-Coal Waste <br />Temporary disposal of non-coal waste (trash, gazbage, lumber or other items identified in Rule <br />4.11.4) is in a solid waste compactor which is located in one of the concrete bins neaz the portal <br />azea. The location of these bins is identified on Map 53 as "Dumpster and Materials Storage Bunker <br />Area." The compactor system is designed to handle all West Elk Mine solid waste including spools, <br />pallets and some metals. There are several trash barrels/small dumpsters for employee use in the <br />facilities azea, but these aze relocated when full to the compactor. The roll-off unit for the <br />compactor is picked up by a contracted disposal firm when it is full, and replaced with another unit. <br />Final disposal of non-coal waste is at the Delta County Landfill, a State approved facility. No solid <br />waste disposal (as addressed in Rule 4.11.4) is allowed at any refuse disposal area. <br />• <br />1.05-44 Revised November 2004 PR/0; Rev. March 2006; Rev, Apri12006 PRIO; Rev. May2006PR/0 <br />