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This was a routine monitoring inspection for the Climax molybdenum mine, a 112d -3 hard rock mine operated <br />by the Climax Molybdenum Company — a division of Freeport McMoRan. This site is located at the summit of <br />Freemont Pass on Highway 91. DRMS representatives for this inspection Tom Kaldenbach, Peter Hays, Berhan <br />Keffelew and Eric Scott arrived on -site at approximately 0930. DRMS was guided /accompanied on the <br />inspection by Climax representative Ray Lazuk and the operator's consultants from TetraTech. The inspection <br />started with a discussion of remaining adequacy issues and questions relating to TR18 which is currently in <br />DRMS review. Approval of TR18 by DRMS is required to satisfy a stipulation of the approval of AMO6 before <br />full -scale operations at the mine can begin. Weather during the inspection was clear and cool, with some minor <br />snow cover remaining on site from earlier in the week. <br />There is still a significant amount of construction activity on -site associated with preparing the operation for a <br />scheduled 2012 restart of full -scale mining operations. DRMS observed the locations of several recently <br />installed groundwater monitoring wells, and while in the field, discussed the possible locations of additional <br />wells that will be installed early in the 2012 field season. DRMS personnel again attempted to get a good <br />overview of current and proposed site operations during this inspection. To this end, this inspection included <br />overviews of: the "camp" area including the construction of the new mill and supporting facilities, the open pit <br />cleanup work, the top and bottom of the McNulty waste rock area, ongoing and completed reclamation <br />activities associated with Robinson Pond, Eagle Park reservoir, and Robinson Lake. Robinson Lake has been <br />partly refilled with process water in accordance with the stipulations of the approval of AM -06. No <br />mining /milling is currently taking place. Waste material from the pit cleanup is currently being placed on the <br />existing McNulty OSF area. Geotechnical work to expand the footprint of the McNulty OSF has just <br />commenced. As stated in the adequacy comments for TR18, DRMS will need to approve the design and <br />operations plan for the OSF facility before it is expanded. <br />No issues requiring corrective actions were noted during this inspection. <br />Inspection Contact Address <br />Ray Lazuk <br />Climax Molybdenum Company, Climax Mine <br />Highway 91, Fremont Pass <br />Climax, CO 80429 <br />OBSERVATIONS <br />PERMIT #: M -1977 -493 <br />INSPECTOR'S INITIALS: ECS <br />INSPECTION DATE: October 18, 2011 <br />Page 2 of 2 <br />