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<br />Mountain Coal Company <br />West Elk Mlne <br />Post Office Box 591 <br />Somerset, Cobrddo 87434 <br />Telephone 970.949-5015 <br />July 29, 1997 <br />RECEIVED <br />JUL 3 0 1997 <br />Mr. Michael Boulay Division of +vllnerais 8 Geology <br />Colorado Division ofIvfinerals and Geology <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203 <br />III IIIIIIIIIIIII III <br />999 <br />/\ <br />RE: Technical Revision No. 82 (Train Loadout Improvements); West Elk <br />Mine; Permit No. C-80-007 <br />Dear Mike: <br />Mountain Coal Company (MCC) submits the enclosed technical revision application <br />for improvements at the Train Loadout (TLO) to benefit operations and the <br />environment. The improvements include site grading and paving, a sediment trap, oil <br />sepazator, a relocated sedimentation pond, hydraulic oil containment, diethylene <br />glycol containment and sediment control on the access road. <br />The TLO is a hydraulically operated, over-the track type train loadout facility, which <br />has been in operation for approximately 14 years. Most recently, diethylene glycol <br />has been used to spray on the coal and the inside of the railcars to prevent freezing <br />during shipment. The diethylene glycol is stored in existing double-walled tanks <br />located southwest of the loadout facility. The sediment pond is currently located <br />adjacent to and east of the TLO building. The sediment pond has been utilized to <br />contain stormwater runoff from the facility site, washdown water from cleaning the <br />facility, and any spills of hydraulic oil or diethylene glycol occurring at the facility. <br />Any oil sheen noted in the pond has been collected with oil booms placed in the pond. <br />Water collected in the pond has been pumped and hauled to one of the other sediment <br />ponds located at the mine for treatment and discharge. MCC has an approved <br />discharge point associated with this pond, but has not discharged the pond in recent <br />years due to the general poor quality of the water. <br />MCC is proposing the above improvements due to planned production growth, to <br />improve general site drainage, to better contain hydraulic oil spills, and to better treat <br />the water that flows to the sediment pond to allow for discharge. MCC's consultant, <br />Shepazd Miller, Inc. (SMI), has designed these improvements at the TLO. Each <br />component of the improvements are discussed in the enclosed report prepared by <br />SMI. <br />