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.~ <br />Climax Molybdenum Company, Henderson Mine and Mill <br />Permit M-77-342 -Technical Revision No. 15 <br />Transport and Disposal of Sludge <br />The sludge will be loaded at Urad into dump trucks, from where the sludge will be transported to the Mill. <br />The sludge will be offloaded on the south side of the #1 Dam Tailing Impoundment, near the existing facility <br />landfill. For your reference, please find enclosed a site drawing that identifies the location where the sludge <br />will be deposited at the Mill. From this location, the sludge will be moved by bulldozer further out into the <br />impoundment. As indicated on the site drawing, the topography of this area will ensure that any erosion of <br />the deposited sludge will be confined [o the tailing deposition area. <br />The solids concentration of the sludge, as discharged from the Urad treatment plant, is nearly 50 percent <br />solids, by weight. Additionally, the sludge is allowed to dry in the Urad impoundment prior to being moved <br />until i[ has a consistency of moist dirt. Based on past experience, there is no issue with liquids seeping out of <br />transport vehicle while the sludge is transported. Appropriate measures will be taken to prevent the release of <br />sludge during transport that might occur due to spills or high wind. This was not an issue during past <br />transports of the sludge to BFI's landfill. <br />Henderson plans to begin moving the sludge as presented sometime in mid July. We expect this to be an <br />annual summer activity in an effort to keep up with our sludge generation rate. <br />Please feel free to call me at (303) 569-3221 (X1287) ifyou have any questions, or I can be of further <br />assistance. <br />Sin/ <br />Ton~ucero <br />Environmental Coordinator <br />Climax Molybdenum Company, Henderson Mine <br />Enclosures <br />Cc: Anne Beierle -Henderson <br />Rich Wagner-Henderson <br />Rich Nelson -Henderson <br />Dave Long -Henderson <br />Kurt Keskimaki -Henderson <br />