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COLORADO <br /> ® C 0 Division of Reclamation, <br /> �i. Mining and Safety <br /> Department of Natural Resources <br /> Graham Roberts <br /> Trapper Mining Inc. <br /> P.O. Box 187 <br /> Craig, CO 81626 <br /> 21 July 2021 <br /> Re: Trapper Mine (Permit No. C1981-010) <br /> Review of May 2021 Discharge Monitoring Reports <br /> Dear Mr. Roberts: <br /> The Division has received and reviewed the May 2021 Discharge Monitoring Reports (DMRs), <br /> for the Trapper Mine. Thank you for your timely submittal of this information. The DMR's <br /> were received by the Division on 25 June 2021 as an electronic submittal. <br /> Trapper submits the DMRs to the Division, in accordance with Rule 4.05.13(2)(a)(iii). <br /> Trapper reported that three outfalls discharged during the quarter; Johnson Pond 910,No Name <br /> Pond 95 and East Pyeatt 92(outfalls OOIA, 002A and O11A respectively). Trapper reported that <br /> no primary effluent limitations were exceeded during the month. TDS values for the active <br /> outfalls are no longer explicitly reported. Acute WET testing was also conducted, and the <br /> discharges at outfalls subject to wet testing; 009A, 023A and 025A exhibited no discharge. <br /> The Division does not have any questions or further comments at this time. If you have any <br /> questions or need additional information, please contact me. <br /> Sincerely, <br /> Robin Reilley, M.S. GISP <br /> Environmental Protection Specialist 11 <br /> OF COlO <br /> n O <br /> 1313 Sherman Street, Room 215, Denver, CO 80203 P 303.866.3567 F 303.832.8106 http://mining.state.co.us * <br /> * <br /> Jared S. Polis, Governor I Dan Gibbs, Executive Director Virginia Brannon, Director 1876 <br />