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COLORADO <br />Division of Reclarna:tio , <br />AV Mining and safety <br />Department of Natural Resources <br />1313 Sherman S'tree't, Room 215 <br />Denver, CO 80203 <br />Interoffice Memorandum <br />To: Brock Bowles <br />From: Robin Reilley, DRMS <br />Date: November 17, 2015 <br />RE: New Horizon Mine; C-1981-008; <br />Mid Term Review \ <br />I was requested to review the above referenced permit against the rules below: <br />2.04.7 (2) Surface Water <br />2.04.8(1)-(3) Climate <br />2.05.3(4)(a -d) <br />Operational plan <br />2.05.4(2)(h) Reclamation <br />2.05.6(1) Air Quality permit <br />4.04(1)(b), (2)-(4) <br />Plan <br />(3)(ai,aiii,iv), (bi-v) <br />Support Facilities <br />Mitigation of impacts (hydrologic <br />balance) <br />4.05.2(1)-(4), (6), (8) <br />4.05.3(1)-(7) Flow conveyance <br />4.05.4(1)-(4) Stream <br />Water Quality and Effluent <br />of watersheds less than one sq. <br />Channel Diversions <br />limits <br />mile. <br />4.05.5(1)-(2) Sediment <br />4.05.6(1)-(7) Sedimentation <br />4.05.7 Discharge <br />Control <br />Ponds: design, event, spillway, <br />structures and erosion <br />modeling and reclamation <br />prevention <br />4.05.9(1)-(21) <br />4.05.13(2) Surface Water <br />4.17 Air Resource <br />Impoundments: design, & <br />Monitoring Plan and Reporting <br />Protection <br />maintenance, spillway , <br />stabilization, freeboard, <br />inspected, changes must be <br />permitted <br />4.24 Alluvial Valley Floors <br />My review of the permit with respect to these rules follows. Adequacy review questions are <br />bulleted (+). <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 <br />