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STATE OF COLORADO <br />DIVISION OF RECLAMATION, MINING AND SAFETY <br />Department of Natural Resources <br />1313 Sherman St., Room 215 <br />C O L O RA D O <br />D I V I S I O N o f <br />Denver, Colorado 80203 <br />RECLAMATION <br />Phone: (303) 866 -3567 <br />M I N I NG <br />FAX: (303) 832 -8106 <br />—&— <br />SAFETY <br />August 13, 2013 <br />John W. Hickenlooper <br />Governor <br />Mr. Jerry Nettleton <br />Moffat County Mining, LLC <br />Mike King <br />29515 Routt County Road 427 <br />Executive Director <br />Oak Creek, CO 80467 <br />Loretta E. Pineda <br />Director <br />RE: Williams Fork Mines (Permit C- 1981 -044) <br />Williams Fork Mines 2nd Quarter 2013 DMR Submittal <br />Mr. Nettleton <br />The Division has completed its review of Williams Fork Mines' second quarter discharge monitoring report of 2013 and <br />finds it in compliance of the following rules: <br />Rule 4.05. 131(2)(a)(1) — samples were measured accurately with quantity and quality recorded. <br />Rule 4.05.13(2)(a)(ii) — One indications of noncompliance with the permit condition or applicable standards occurred. A <br />written notice of one exceedance within the second quarter discharge monitoring report of 2013 was observed. Outfall <br />022A had an exceedance of the 30 day average for total recoverable iron. The 30 day average limit for total recoverable <br />iron is 100ug /L. It appears the discharge monitoring report recorded two different values for the 30 day average for total <br />recoverable iron, both which would be considered an exceedance. The cover letter for the report states the exceedance was <br />1030 ug /L. However, the sample measurement chart has the total recoverable iron at 1060 ug /L. The Division would like <br />to know which of the two values is correct for the 30 day average for total recoverable iron at Outfall 022A9 <br />Rule 4.05.13(2)(a)(iii) — reports were received quarterly and filed with the Division within 90 days of the sample <br />collection. <br />If you have any questions, feel free to contact me. <br />Sincerely, <br />Zach Trujillo <br />Environmental Protection Specialist <br />(303) 866 -3567 ext. 8164 <br />Zach.Trujillo @state.co.us <br />Office of Office of <br />Mined Land Reclamation Denver • Grand Junction • Durango Active and Inactive Mines <br />