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<br /> <br />1313 Sherman Street, Room 215, Denver, CO 80203 P 303.866.3567 F 303.832.8106 http://mining.state.co.us <br />Jared S. Polis, Governor | Dan Gibbs, Executive Director | Virginia Brannon, Director <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203 <br /> <br /> <br /> <br /> <br /> <br />Graham Roberts <br />Trapper Mining Inc. <br />P.O. Box 187 <br />Craig, CO 81626 <br /> <br />29 March 2019 <br /> <br />Re: Trapper Mine (Permit No. C1981-010) <br /> Review of 2018 Q4 Discharge Monitoring Reports <br /> <br /> <br /> <br />Dear Mr. Roberts: <br /> <br />The Division has received and reviewed Trapper Mines 2018 Quarter 4 Discharge Monitoring <br />Reports (DMRs) for the Trapper Mine. The report covers the period from September through <br />December 2018. The Discharge Monitoring Report was received by the Division on 15 March <br />2018. <br /> <br />Trapper submits the DMRs to the Division quarterly in accordance with Rule 4.05.13(2)(a)(iii). <br />Trapper reported that three outfalls discharged during the quarter; outfalls 001, 002 and 011. <br />Trapper reported that no primary effluent limitations were exceeded during the quarter. TDS <br />values for the active outfalls were reported. <br /> <br />All outfalls have been properly maintained and no ponds exceeded the 60% threshold for sediment <br />accumulation. <br /> <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 /> <br />Sincerely, <br /> <br />Robin Reilley, M.S. GISP <br />Environmental Protection Specialist <br /> <br />