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Hazardous Materials and Waste Management Division
Cotter Mill Correspondence

2008 Documents

Cotter Corporation Caņon City Uranium Mill documents for public review:  2008 reports, correspondence, and other documents regarding radioactive materials acceptance and processing are listed below.

December 2008
December 18 Letter from Cotter: Response to Department comments on Quality Assurance Program Plan
December 17 Technical Memorandum Source Investigation in Support of Corrective Action Plan for Groundwater North and West of Mill
December 17 Draft Technical Memorandum Aquifer Testing in Support of Corrective Action Plan for Groundwater North and West of Mill
December 9 Letter to Cotter: Response to Proposed Corrective Action Plan Groundwater North and West of Cotter Mill
December 1 Letter from Cotter:  Estimate of Volume of Contaminated Soil
   Report
   Appendix A Data Quality Assurance / Quality Control
   Appendix B Drilling Logs for 2007 Corings
November 2008
November 21 3rd Quarter 2008 Water Monitoring Report
Data        Analysis
November 21 Letter from Cotter: Secondary Impoundment Closure Approach
November 17 Letter to Cotter:  Comments on Quality Assurance Program Plan
 
October 2008
October 10 Letter from Cotter:  Response to Department comments on 2007 Annual Report
October 7 Radioactive Materials License 369-01 Amendment 49
October 1 Proposed Corrective Action Plan Northwest Plume
 
September 2008
September 26 Letter from Cotter: Response to Notice of Violation - Proposed Corrective Action Plan Groundwater North and West of Cotter Mill
September 23 Quality Evaluation and Comparison of Laboratory Results
Part 1          Part 2         Part 3
September 17 2nd quarter 2008 Water Monitoring Report
Cover          Data            Analysis
 
August 2008
August 25 Radioactive Materials License 369-01 Amendment 48
 
July 2008
July 31 Quality Assurance Program Plan
July 31 Addendum to Environmental and Occupational Performance Report, ALARA Review, and Annual Report on Remedial Action Plan Activities for Calendar Year 2007
July 25 Letter to Cotter: Notice of Violation - 1st Quarter Groundwater Monitoring
July 24 Letter to Cotter: Inspection Report - May 2008 Inspection
July 24 1st Quarter 2008 Water Monitoring Report
July 8 Status of Future Plans and Decommissioning Activities
 
June 2008
June 27 Environmental and Occupational Performance Report, ALARA Review, and Annual Report on Remedial Action Plan Activities for Calendar Year 2007, Radioactive Materials License No. 369-01

 

May 2008
May Conceptual Level Study of Dewatering Alternatives, Draft Phase 1 Study
     Attachment A  Materials Properties
     Attachment B  Dewatering Alternatives
     Figures
 
April 2008
April 14 Letter to Cotter:  Approval of Operable Unit 2 Lincoln Park Water Use Survey Plan
April 7 Operable Unit 2 Lincoln Park Water Use Survey Plan
     Figure 1 Molybedenum Concentrations
     Figure 2 Uranium Concentrations
     Interview Forms
 
March 2008
March 13 Letter from Cotter: CCD Demolition Schedule
March 6 Letter from Cotter: Pond 3 Replacement
March 3 Letter from Cotter: Old Pond Area Removal and CCD Tank Demolition
 
February 2008
February 28 Letter from Cotter: Status of Ongoing Activities and Future Plans
February 28 Semiannual Performance Objective Report
February 27 Semiannual Effluent Report
February 25 4th Quarter 2007 Water Monitoring Report
    Preliminary Analysis
    Data
February 7 Letter to Cotter:  Acceptance of Laboratory Quality
February 4 Letter to Cotter:  Old Pond Area Source, CCD Tanks and Kiln Removal
 
January 2008
January 31 Letter from Cotter:  Semi-annual Well Permit Review
January 2 Letter from Cotter:  Alternatives Analysis - Dry Tailings Placement, Liquids/Solids Separation

Alternatives Analysis
Wood Stave Tanks Alternatives
Technology Choices
Decision Matrix