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West Elk Mine <br />• Although most of the refuse material generated at West Elk Mine will end up in the waste <br />disposal areas, some non-coal waste may be disposed of in one of two other ways. First, some <br />non-combustible materials may be placed in abandoned mine workings. Second, suitable <br />materials may be crushed and used for graveling roadways in the mine. Overall, relatively <br />little material will be disposed of using these alternate methods. <br />All disposal areas and the development waste pile were designed and are maintained according <br />to CMLRB regulations. As such, they are not located near underground mine air shafts, <br />tipples, or other surface installations. The refuse disposal areas are also constructed and <br />operated in compliance with MSHA regulations, including signs posted with the assigned <br />MSHA identification number and other necessary information. The signs are posted next to <br />the entrance to each of the disposal areas per MSHA regulations. <br />Refuse Production During Permit Term <br />All coal refuse generated during this permit term will be disposed in the permanent refuse <br />disposal areas described above. <br />(9) Return of Coal Mine Waste to Abandoned Workings <br />MCC does not return coal mine waste generated from the mine to its abandoned mine <br />workings at West Elk Mine. All coal mine waste is disposed of in the permanent refuse <br />. disposal areas described above. <br />(10) Return of Coal Processing Waste to Abandoned Workings <br />MCC does not return coal processing waste generated at West Elk Mine to the underground <br />workings. All coal processing waste is disposed of in the permanent refuse disposal areas <br />described above. <br />(11) Disposal of Non-Coal Waste <br />Temporary disposal of non-coal waste (trash, garbage, 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 near the portal <br />area. The location of these bins is identified on Map 53 as "Dumpster and Materials Storage <br />Bunker Area." The compactor system is designed to handle all West Elk Mine solid waste <br />including spools, pallets and some metals. There are several trash barrels/small dumpsters for <br />employee use in the facilities area, but these are relocated when full to the compactor. The roll- <br />off unit for the compactor is picked up by a contracted disposal firm when it is full, and replaced <br />with another unit. Final disposal of non-coal waste is at the Delta County Landfill, a State <br />approved facility. No solid waste disposal (as addressed in Rule 4.11.4) is allowed at any coal <br />refuse disposal area. <br />• <br />2.05-47 Rev. 11/04, 03/06, 04/06 & 05/06- PRIO; 08109- TRI18; 08109-TRI19; 09109- MR357; 01/10- TR120