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iiiiiiiiiiiiiiiiii <br />SOMERSET MINING COMPANY <br />• STORM WATER MANAGEMENT PLAN <br />1. Description of Mining Activities <br />This is an active underground mining operation. Surface <br />facilities support the mining operation. Coal is delivered <br />to the surface by a conveyor belt from the underground mine. <br />On the surface, coal is either conveyed directly to the <br />crusher facility or to a coal stockpile. A front end loader <br />is used to work the coal stockpile. The coal from the <br />stockpile is loaded into trucks with the front end loader <br />and hauled to the crusher facility upon market demand. All <br />coal leaving the crusher facility is conveyed to the storage <br />silo. At present all the coal produced at the mine is being <br />hauled from the site by rail. Future plans are to haul a <br />small percentage of the coal produced from the site with <br />highway trucks which will be loaded with a front end loader <br />at the coal stockpile or from a loading bin near the crusher <br />facility. <br />Support buildings include an administrative office, shop and <br />warehouses. Mechanical work on the mining equipment is <br />performed at the shop facility. The warehouses contain an <br />inventory of equipment parts and supplies. <br />•~ The site boundary (permit area) encompasses 5529 acres. A <br />total of approximately 70 acres have been disturbed by the <br />coal mining operation. <br />The mine is located immediately north of the town of <br />Somerset, Colorado. State highway 133 is the transportation <br />route to the mine site. <br />2. Area Subiect to Effluent Limitations Guidelines <br />The area subject to effluent limitations guidelines is <br />nearly the entire disturbed area. The facilities, <br />structures and activities that occur within the disturbed <br />area include: <br />- office, shop and warehouses <br />- stockpiling of coal <br />- topsoil piles <br />- haul and access roads <br />- fuel and oil storage tanks <br />- exhaust fans <br />- coal silo and loadout facility <br />- coal conveyors <br />- coal crushing facility <br />- sediment ponds <br />• - collection ditches <br />