2013-08-27_GENERAL DOCUMENTS - M1977493

• Permit No: M1977493
• IBM Index Class Name: GENERAL DOCUMENTS
• Doc Date: 8/27/2013
• Doc Name: Approval to Second Deadline Extension Request
• From: CDPHE
• To: Climax Molybdenum
• Permit Index Doc Type: General Correspondence
• Email Name: ECS
• Media Type: D
• Archive: No

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STATE OF COLORADO
John W. Hickenlooper, Governor
Karin McGowan
Interim Executive Director
Dedicated to protecting and improving the health and environment of the people of Colorado
4300 Cherry Creek Dr. S.
Denver, Colorado 80246 -1530
Phone [phone]
Located in Glendale, Colorado
hftp://www.cdphe.state.co.us
August 15, 2013
Laboratory Services Division
8100 Lowry Blvd.
Denver, Colorado 80230 -6928
(303) 692 -3090
Mr. Brian McGill
Freeport- McMoRan Company
Climax Molybdenum Mine
Highway 91 — Fremont Pass
Climax, Colorado 80429
RECEIVE[
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DIVIM RECLAMATION
MINING AND SAFETY
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Colorado Department
of Public Health
and Environment
Re: Approval to Second Deadline Extension Request: Climax Mine Crusher Adit Vent Raise Asbestos
Disposal Shaft Closure
Climax Mine
Highway 91- Fremont Pass
SW/LAK/CLI 2.4
Mr. McGill,
The Colorado Department of Public Health and the Environment (the "Department ") Hazardous Materials and
Waste Management Division (the "Division ") has received the following concurrence for an extended closure
date of the "asbestos shaft" addressed in the approved November 16, 2012 closure plan titled "Climax Mine
Crusher Adit Vent Raise Asbestos Disposal Shaft Closure Plan" (the "Plan ") at the Climax Molybdenum Mine
(the "Facility) in Climax, Colorado located on Highway 91 at the Fremont Pass.
Response to Approval of July 29, 2013 Extension Request for Closure of Climax Mine Adit Vent
Raise Asbestos Disposal Shaft. Prepared by: Climax Molybdenum Company. Document dated:
August 13, 2013. Document received: August 13, 2013.
Based on the above referenced correspondence, it is the determination of the Division, and the Division and the
Facility agree, that the Facility can meet the requirements for closure of the above referenced adit vent in
accordance with 6 CCR 1007 -2, Part 1, the Regulations Pertaining to Solid Waste Sites and Facilities.
Furthermore, the Division and the Facility agree to extend the closure deadline date to complete closure activities
per the approved November 16, 2012 closure plan to no later than September 1, 2015 with the following
conditions. Note, this is the second deadline extension; this first was approved in correspondence dated February
4, 2013.
1) All structures and protective measures are fully maintained to ensure protection of human health and the
environment.
2) The adit shaft cannot be used for any disposal of any kind of additional materials.