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0 <br />Carter <br />Via Email and U.S. Mail <br />August 19, 2010 <br />d ? 1J <br />Colorado Department of Public Health and Environment <br />A10 Water Quality Control Division / WQCD-132-CAS <br />Compliance Assurance Section <br />Attention: Michael Harris <br />4300 Cherry Creek Drive South <br />Denver, CO 80246-1530 <br />RECEIVED <br />`BUG 2 3 2010 <br />Division of ReaisWtatiOn, <br />Mining & Safety <br />@- `I 77 - 3o o <br />Subject: Revised June 8-9, 2010 Surface Water Monitoring Dat or Ralston Creek on Cotter <br />Property ear the Schwartzwalder Mine <br />References: Paragraph 26, WQCD Notice of Violation/Cease and Desist Order, Number: I0- <br />100601-1, June 1, 2010 <br />Dear Mr. Harris: <br />On July 15, 2010, Cotter Corporation (N.S.L.) ("Cotter") submitted laboratory results for a June 8-9, <br />2010 surface water sampling event conducted pursuant to Paragraph 26 of the above referenced <br />Notice of Violation/Cease and Desist Order ("Paragraph 26"). Subsequently, Cotter was notified by <br />you that certain analytical parameters specified in Paragraph 26 were missing for the upstream <br />location (SW-AWD) and the downstream location (SW-BPL) and immediately requested the contract <br />laboratory to use any remaining samples to perform analysis on missing parameters, wherever <br />possible. <br />Please find enclosed key excerpts of the revised analytical data report containing missing data <br />required by Paragraph 26. However, all missing parameters could not be analyzed. Please find <br />enclosed the inclusion of the original chain of custody and analysis request form, email <br />correspondence between Randy Whicker and the laboratory, and "Table 1" extended suite analytes <br />that were referenced in that email correspondence. This submittal is only intended to address the <br />missing parameters. Cotter will send all surface water quality monitoring data collected during the <br />month of June 2010 to WQCD under separate cover. <br />If you have any questions, please contact me at 719-275-7413 (ext. 202). <br />Sincerely, <br />5 <br />C;rtA- <br />S. Hamrick <br />Vice President, Mill Operations <br />Enclosures <br />cc: Anthony Waldron (DRMS) <br />Patricia Wells, Esq. (Denver Water) <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