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'10 <br />8 July 2015 <br />Cripple Creek & Victor Gold Mining <br />A Joint Venture ANGLOGOLD ASHANTI (COLORADO) CORP., Manager <br />Operations Office <br />P.O. Box 191 100 North 3" Street <br />Victor, Colorado 80860 <br />(719) 689-2977 — Fax (719) 689-3254 <br />SENT CERTIFIED, RETURN RECEIPT REQUESTED <br />7014-2870-0001-3417-6067 <br />Mr. Timothy Cazier, P.E. <br />Environmental Protection Specialist <br />Colorado Department of Natural Resources <br />Division of Reclamation, Mining and Safety <br />Office of Mined Land Reclamation <br />1313 Sherman Street, Room 215 <br />Denver, Colorado 80203 <br />RECEIVED <br />✓ JUL 102015 <br />DIASION OF RECLAMATION <br />WNING AND SAFETY <br />Re: Permit No., M-1980-244: Cripple Creek & Victor Gold Mining Company("CC&V"h <br />Cresson Project, KResponse on possibility of sprinklers on Arequa Valley Leach Facility <br />(AVLF) may be causing off site damage." <br />Dear Mr. Cazier: <br />Cripple Creek &Victor Gold Mining Co. (CC&V) is writing to you with regard to the following <br />finding from the 17 June 2015 DRMS inspection report issued on 24 June 2015: <br />INSPECTION TOPIC: Off -Site Damage <br />PROBLE"OSSIBLE VIOLATION: Problem: Sprinklers may be causing an off-site odor <br />CORRECTIVE ACTIONS: The Operator shall submit the following requested information <br />related to the sprinkler/snow-making machine evaporation operation: 1) cyanide concentration, <br />2) concentration of other constituents (including those that may be contributors to the detected <br />odor), 3) estimated daily volume of solution emitted through the sprinklers/snow-making <br />machines, and 4) confirmation that the emitted solution is barren. <br />CORRECTIVE ACTIONDUE DATE: 7124115 <br />The answers to the questions requested in the corrective action related to the use of sprinklers <br />and the snow machines to evaporate water off the VLF were provided by Jeff Winterton, Process <br />Manager, and Laurin Colby, Chief Site Metallurgist at CC&V. Their responses are in red <br />following the questions: <br />1) Cyanide concentration, is nominally 100 ppm NaCN. <br />2) Concentration of other constituents (including those that may be contributors to the detected <br />odor). The attached spreadsheet shows results from recent third -party analyses of barren solution <br />