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^ V V V V CE NGINEERING <br />61 1 Skyline Road - Laramie, WY 82070 - (307) 742-0031 <br />FAX (307) 721-2913 - E-mail: infolar@wwcengineering.com <br />January 17, 2011 <br />Permit C-1980-001. <br />CPDS Permit CO-0032638 <br /> <br />Fr 3 01 X011 <br />pivision of tZctann, <br />Mining and Safely <br />Janet Binns <br />Colorado Division of Reclamation, Mining and Safety <br />1313 Sherman Street <br />Room 215 <br />Denver, Colorado 80203-2273 <br />RE: Edna Mine, December 2010 CPDS <br />Dear Janet Binns: <br />Enclosed are the Edna Mine's CPDS reporting results for the above referenced monitoring <br />period. DMP 004 and DMP 007 did not exceed any compliance criteria during the monitoring <br />period, including the Chronic Whole Effluent Toxicity (WET) Test for the Second Semi-Annual <br />Event of 2010. Baseline monitoring at MON 1 and MON 2 did not exceed any compliance <br />criteria for the Second Semi-Annual Event of 2010. <br />Should the Colorado Division of Reclamation, Mining and Safety have any comments or <br />concerns regarding this submittal, please contact me at your convenience. <br />Sincerel <br />Troy Summers <br />Project Manager <br />TNS <br />File: 99-144