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4 <br />cotter <br />Via Email and U.S. Mail <br />October 26, 2011 <br />Colorado Department of Public Health and Environment <br />Water Q uality Control Division / WQCD -B2 -CAS <br />Compliance Assurance Section <br />Attention: Mr. Michael Harris <br />4300 Cherry Creek Drive South <br />Denver, CO 80246 -1530 <br />Subject: September 2011 Surface Water Monitoring Data for Sampling Stations SW -AWD <br />and SW -BPL on Ralston Creek at the Schwartzwalder Mine <br />References: Paragraph 26, WQCD Notice of Violation /Cease and Desist Order. Number: <br />10-100601-1. June 1, 2010 <br />Dear Mr. Harris: <br />Per Paragraph 26 of the above referenced Order, please find enclosed data reports from Energy <br />Laboratories as received by Cotter Corporation (N.S.L.) for surface water sampling conducted in <br />September 2011 at monitoring stations SW -AWD and SW -BPL at the Schwartzwalder Mine. <br />If you have any questions. please contact me at 719-275-7413 (ext. 202). <br />Sincerely, <br />ohn S. Hamrick <br />Vice President, Mill Operations <br />Enclosures <br />cc: Daniel J. Arnold. Esq. (Denver Water) <br />David Bird (DRMS) <br />Cotter Corporation Telephone (719) 275 -7413 <br />Canon City Mill, P.O. Box 1750, Canon City, CO 81215 -1750 USA Fax (719) 275 -1669 <br />4-11177 vo <br />