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~'1 <br />`~ <br />A 48-inch width conveyor belt will transport crushed coal from the top of Silo No. 2 to the <br />stacktube. This stacktube will be approximately 106 feet in height and will be constmcted similazly <br />to the run-of--mine coal stackiubes. The transfer structure on the top and the reclaim tunnel and <br />conveyor belt underneath the area will also be similar in construction to the run-of--mine coal <br />stacktube facilities. A dozer trap and reclaim system to be located just west of the silos will <br />similazly be constructed, as well. <br />Mountain Coal Company uses a preweigh, over-the-track type of loadout facility at the West Elk <br />Mine. In this facility, a surge bin receives the coal from the loadout conveyor. The coal is then <br />transferred to a weigh bin. Finally, the weigh bin drops a measured amount of coal into a railroad <br />car via a chute. The capacity of this system is 6,000 tons per hour. Two, double-walled (self- <br />contained secondary containment) polyethylene tanks aze located west of the loadout building to <br />contain antifreeze (diethylene glycol) for treatment of coal and railcazs for winter shipment. One <br />12-foot diameter tank contains approximately 15,000 gallons of antifreeze to spray on the coal as it <br />is loaded. Another 12-foot diameter tank contains approximately 9,800 gallons of a thicker <br />antifreeze to treat the railcazs prior to loading. A concrete clean-up bunker is located to the east of <br />the loadout building. The bunker is used to clean-up coal that occasionally spills during the loading <br />process. The spilled coal is loaded into a truck and hauled to the main mine site. <br />• (8) Coal Processing Waste and Non-Coal Processing Waste <br />Mountain Coal Company generates waste or refuse during underground construction activifies and <br />mining. Underground construction activities include building ventilation overcasts or undercasts, <br />ventilation shafts or tunnels, access slopes, and roadways or haulage ways. Mining produces refuse <br />material from the roof and floor surrounding the coal seam. <br />Although underground constmction activities and mining constitute the primary sources of refuse <br />material, some refuse is generated from other mine activities. Other sources of refuse material are <br />contaminated coal spillage, sediment pond dredgings, soils contaminated with non-hazazdous <br />materials (e.g. petroleum products) and limited mine development or coal processing wastes from <br />neighboring operations, if comparable in characteristic to West Elk Mine's refuse. These additional <br />sources make up a very small percentage of the total amount of iefuse produced at the West Elk <br />Mine. <br />During the operational life of the mine to date, refuse has been disposed of in several permitted <br />locations. They include the Bear No. 2 Mine portal bench, the Blue Ribbon Mine bench <br />• stabilization and backfill, and West Elk Mine's portal bench mine supply storage azea fill and the <br />run-of--mine stack tubes coal storage area fills. Coal refuse was orice stockpiled in the initial waste <br />2.05-41 Nwem6er 2004 PRI7 <br />