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COLORADO <br />Division of Reclamation, <br />Mining and Safety <br />Department of Natural Resources <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203 <br />August 20, 2015 <br />Graham Roberts <br />Trapper Mining, Inc. <br />P.O. Box 187 <br />Craig, Colorado 81626 <br />RE: Trapper Mine; DRMS Permit No. C-1981-010 <br />Review of 4th Quarter 2014, Is' Quarter 2015, and 2°d Quarter 2015 Discharge Monitoring <br />Reports For CDPHE Permit No. CO -0032115 <br />Dear Mr. Roberts, <br />The Colorado Division of Reclamation, Mining, and Safety (Division) has reviewed the above referenced <br />reports. The Discharge Monitoring Reports were received by the Division on January 27th, 2015, April 21st <br />2015, and July 21st 2015 respectively. The reports cover the time period from October 1st, 2014 to June 30th <br />2015. <br />During the 4th Quarter 2014, four NPDES outfalls were reported active, with one exceedance of primary <br />effluent limitations at Outfall 011 with a Total Suspended Solids of 97 mg/L on December 9d`, 2014. <br />During the 1st Quarter 2015, four NPDES outfalls were active, with one exceedance of the primary effluent <br />limitations at Outfall 002 with Total Suspended Solids of 40 mg/L and 1350 ug/L for Total Iron. The <br />exceedance was reported to be applicable for the alternative reporting limit based on settleable solids, which <br />were reported at <0.1 mg/L for the sample date. <br />During the 2°d Quarter 2015, two outfalls were active, with no reported exceedances of the primary effluent <br />limitations. <br />If you have any questions please feel free to contact me at (303) 866-3567 ext. 8147. <br />Sincerely, <br />Tabetha Lynch <br />Environmental Protection Specialist <br />i__ c o <br />OF' �G <br />1313 Sherman Street, Room 215, Denver, CO 80203 P 303.866.3567 F 303.832.8106 http://mining.state.co.us <br />John W. Hickentooper, Governor I Mike King, Executive Director I Virginia Brannon, Director ��$7�n <br />