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Hazardous Materials and Waste Management Division
Cotter Mill Correspondence

2010 Documents

Cotter Corporation Caņon City Uranium Mill documents for public review:  2010 reports, correspondence, and other documents regarding radioactive materials acceptance and processing are listed below.

December
December 16 Scope of Work to Evaluate Leaching for the Dam to Ditch Area
December 15 Letter to Cotter:  Decommissioning Funding Plan

Decommissioning Funding Plan

Letter to Cotter: CDPHE Review of Cotter Financial Assurance Estimate
Letter from Cotter: RML 369-01 Financial Assurance
December 13 Letter from Cotter: 2011 Building Demolition Schedule
December 10 Letter from Cotter: Response to Department Re:  December 1, 2010 Letter
December 10 Building Demolition Work Plans

Boiler House
Demonstration Plant (Catalyst Plant)
Sulfation Building
Grind and Leach Building
December 1 Letter to Cotter: Mill Reclamation Schedule Request for Extension
 
November
November 30 Field Investigation Report Dam to Ditch Area

Tables and Figures
November 22 3rd Quarter 2010 Water Monitoring Report
Data                  Analysis
November 19 Letter from Cotter: Technical Memo Sampling Frequency Reduction for Northwest Plume Monitor Locations
 
October
October 26 Letter to Cotter: Remedial Action Plan Financial Assurance
 
September
September 17 Letter from Cotter: Semi-annual Performance Report - Laboratory and Quality Assurance Programs
September 13 Letter from Cotter: Semi-annual Review of Well Permits Issued by State Engineers Office
September 10 Oversight of Soil Boring and Monitoring Well Installation Activities Dam to Ditch Area

Appendix B
Appendix C - F
September 10 Letter from Cotter: Response to EPA Re: Primary Impoundment Status
September 9 Letter from Cotter: Annual Report of Financial Assurance Warranty
 
August
August 28 2nd Quarter 2010 Water Monitoring Report
Data                  Analysis
August 27 2010 Semi-Annual Effluent Report
August 27 2nd Quarter 2010 Employee Dose Calculations
August 27 Letter from Cotter:  Delay Semi-Annual Laboratory and Quality Assurance Report
August 25 Letter to Cotter: 2009 ALARA Review and Annual Report
August 25 EPA Letter to Cotter Re: Primary Impoundment Status
August 20 Letter to Cotter: Cotter Surety
August 20 Letter from Cotter: Cotter Surety
August 10 Letter from Cotter: Response to Notice of Violation Dated July 7, 2010
August 4 Letter to Cotter: Response to June 30 Surety
 
July
July 29 Letter from Cotter: Schedule for Field Investigation Plan in Dam to Ditch Area
July 23 Cotter Letter to EPA Regarding the Primary Impoundment
July 7 Letter to Cotter: Notice of Violation for March 2010 Inspection
July 7 Letter to Cotter: March 2010 Inspection Report and Notice of Violation
 
June
June 30 Letter From Cotter: Surety
June 22 Environmental and Occupational Performance Report, ALARA Review, and Annual Report on Remedial Action Plan Activities for Calendar Year 2009, Radioactive Materials License No. 369-01
June 9 Letter from Cotter: Dam to Ditch Area Field Investigation Plan
 
May
May 28 1st Quarter 2010 Water Monitoring Report
Data                  Analysis
May 28 1st Quarter 2010 Employee Dose Calculations
May 17 Groundwater Investigation North and West of Milling Facility

Appendix A Hydrologic Testing Program
Appendix B Drilling Program
      B-1 Phase 1
      B-2 Phase 2
             Memo and Figures
             Attachment A
             Attachment B
             Attachment C
      B-3 Phase 3
             Memo
             Figures
             Attachment A
             Attachment B
             Attachment C
Appendix C Analytical Results
 
April
April 22 Colorado Department of Public Health and Environment Review of Cotter Financial Assurance Estimate

 

March
March 18 Letter from Cotter: Semi-annual Performance Report - Laboratory and Quality Assurance Programs
March 10 Letter from Cotter: Semi-annual Review of Well Permits
March 3 Letter to Cotter: Response to Department Review of 2008 Annual Report
March 3 Letter to Cotter: Radiological Survey Plan and Dose Assessment Approach for Evaluation near Air Monitoring Station As-210
March 3 Letter to Cotter: Ore Pad and Wood Stave Tank Removal Projects
 
February
February 26 Letter from Cotter: Semiannual Effluent Report
February 26 Letter from Cotter: Semiannual Performance Objectives Report
February 23 4th Quarter 2009 Water Monitoring Report
Data                  Analysis
February 10 Letter to Cotter: Suspension of Requirement for Submission of a Semiannual Performance Objectives Report
February 10 Letter from Cotter: 2009 Radon Flux Testing Primary Tailings Pond Report
February 3 Letter to EPA: Impoundment Status
 
January
January 30 Radioactive Materials License 369-01 Amendment 52
January 27 Air Construction Permit 95FR803 Initial Approval Modification 7
January 21 Letter from Cotter: Corrective Actions to Date Re: 2008 Notice of Violation
January 12 Letter from Cotter: Radioactive Materials License Amendment Request
January 4 Letter from Cotter:  Surety Update
January 4 Letter from Cotter:  Surety Estimate Summary