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cotter <br />Via Email and U.S. Mail <br />vApril 8, 2011 <br />M- lq77- 30o <br />olorado Department of Public Health and Environment <br />Water Quality Control Division / WQCD-B2-CAS <br />Compliance Assurance Section <br />Attention: Michael Harris <br />4300 Cherry Creek Drive South <br />Denver, CO 80246-1530 ?T <br />Subject: March 2011 Surface Water Monitoring Data for Sampling Stations SW-AWD and <br />SW-BPL <br />References: Paragraph 26, WQCD Notice of Violation/Cease and Desist Order, Number: <br />I0-100601-1, 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 />March 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 />5 <br />John S. Hamrick <br />Vice President, Mill Operations <br />Enclosures <br />cc: Daniel J. Arnold, Esq. (Denver Water) <br />,/David Bird (DBMS) <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