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�� 61 1 Skyline Road - Laramie, WY 82070 - (307) 742 -0031 <br />V V V V CENGINEERING FAX (307) 721 -2913 - E -mail: infolar @wwcengineering.com <br />September 8, 2010 <br />Janet Binns <br />Colorado Division of Reclamation, Mining and Safety <br />1313 Sherman Street, Room 215 <br />Denver, Colorado 80203 -2273 <br />RE: Edna Mine 3rd Quarter 2010 Impoundment Inspection Report <br />Dear Janet Binns: <br />an <br />DER � � 2010 <br />U'iv,yor� a 2 1H.ecla0 <br />Wing and S2i4�Y <br />This letter constitutes the 3 Quarter 2010 Impoundment Inspection Report for the Edna Mine; <br />Permit No. C -80 -001. This report covers the time period from July 1, 2010 to September 30, <br />2010. <br />The inspections were performed on August 30, 2010 by Field Inspector Troy Summers. The <br />Pond Inspection Reports have been certified by Colorado Registered Professional Engineer Doyl Fritz. <br />All structures were functioning as designed at inspection. <br />The Impoundment Location Map details the location of each impoundment inspected <br />(Attachment A). Quarterly Pond Inspection Reports document water level, sediment level, <br />outflow, and required maintenance cited per inspection (Attachment B). As described on the <br />2010 Maintenance List, the outlet culvert at the Moffat Pond (NPDES 004) has eroded. <br />(Attachment C). The culvert will be refurbished or replaced. There is currently no other <br />required maintenance at the Edna Mine. <br />' Should you have any questions regarding this material, please contact me at your convenience. <br />' Sincerely, <br />6Y <br />' Troy Summers <br />Project Manager <br />TNS <br />' Attachments (A, B & C) <br />File: 99 -144 <br />' cc: Leach <br />Permit <br />