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x 81h). These buildings were placed on the minesite in 1987 to replace the combination <br /> office-shop building which has been removed. Exhibit 12-2 shows the existing mine <br /> facility area. <br /> Building facilities proposed for the Nucla East mining area will consist of a <br /> wood-framed-metal clad pole barn (601w x 100'1 x 201h) for a repair shop/warehouse and the <br /> relocation of an abandoned house from the mining area for an office. In addition, the <br /> existing trailer facilities as described above will be relocated to the new facilities <br /> area as shown on Exhibit 12-3. <br /> Waste Water. Sewage from the existing building facilities is treated and disposed through <br /> the use of a septic tank and leach field system. Sewage from the proposed Nucla East <br /> facilities will be treated and disposed of in the same manner. All required county design <br /> requirements will be met and appropriate permits obtained prior to installation. <br /> Domestic Water. Potable water is currently supplied through public facilities and water <br /> coolers. The 300-foot deep water well previously located at Nucla Mine has been plugged <br /> and abandoned in accordance with proper procedures. Potable water at Nucla East will be <br /> provided through a waterline that ties into the City of Nucla water system. <br /> Solid Wastes. Solid waste has been placed in the Montrose County Sanitary Landfill, which <br /> is currently in operation, under the guidelines stipulated by the State of Colorado. The <br /> landfill is solely owned, operated, and maintained by the Counties of Montrose and San <br /> Miguel. Solid wastes generated by the mining operations will continue to be hauled to the <br /> county landfill. <br /> Explosive Storage. At the Nucla Mine, the previous storage facilities (existing prior to <br /> cessation) were moved to their present location in 1976. Explosive storage magazines were <br /> constructed and located according to State and Federal regulations. The ammonium-nitrate <br /> fuel oil mixture (ANFO) explosive is stored in a powder magazine, a second magazine <br /> contained the prima-cord and connectors, and a third magazine contained the blasting caps <br /> (see Exhibits 12-2 and 13-1). These facilities were dismantled when operations ceased but <br /> were reinstalled at the same location in 1987 prior to mining activities. Prior to use, a <br /> Colorado Bureau of Mines explosives permit was obtained. At the Nucla East area, similar <br /> facilities will be used for explosive storage (see Exhibit 12-3 and 13-2). <br /> 13-33 Revised 04/11/88 <br />