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Decommissioning of Facilities for Mining and Milling of Radioactive Ores and Closeout of Residues

Technical Reports Series No. 362

English STI/DOC/010/362 ¦ 92-0-100694-2

186 pages ¦ € 43.50 ¦ Date published: 1994


The purpose of this report is to provide an overview of the factors involved and assistance in planning and implementing the decommissioning of mining and milling facilities and the closeout of mines, tailings piles, mining debris and leach residues. Restoration of the site, vicinity properties and groundwater is also part of the report. Contents: 1. Introduction; 2. Purpose; 3. Scope; 4. Objectives of decommissioning/closeout programmes; 5. Regulatory control for decommissioning/closeout; 6. Site characterization; 7. Plan-ning and technical considerations; 8. Implementation of the decommissioning/closeout plan; 9. Radiation protection, health and safety programmes during decommissioning/closeout activities; 10. Post-closeout monitoring and surveillance programmes; 11. Cost estimating and financing for decommissioning/closeout; 12. Documentation for decommissioning/closeout; 13. QA programme for decommissioning/closeout; 14. Summary and conclusions; Annex I: Examples of national regulatory requirements, regulations and criteria for mill tailings and the decommissioning/closeout of uranium mines/mills; Annex II: Examples of national criteria for the exemption, release or cleanup of radioactive sites, buildings, equipment and materials from the decommissioning/closeout of uranium mines/mills; Annex III: Geotechnical, hydrological, environmental and economic rating matrix; Annex IV: Checklist for revegetation of decommissioned uranium tailings; Annex V: Longevity requirements; Annex VI: National experience in the decommissioning/closeout of facilities and residues from the mining and milling of radioactive ores.

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