Pennsylvania Mine Removal Strategy Snake River Task Force Meeting May 29, 2013
Objectives Reduce exposure levels and control off-site migration of contaminants Phased approach to deal with surface and sub-surface sources Successful collaboration (combine resources) Removal Action under 40 CFR, Section (b)(2)
Phase 1. Site Preparation ( ) F-level drainage over giant waste pile
Phase 2. Underground Rehab & Recon (2013) Newly constructed portal access at level F Level F Level C collapsed stopes
Phase 3. F-Level Bulkhead (2014) Bulkhead #1 Location Bulkhead #2 Location (optional) View of F-level Cross Cut
Phase 4. Waste Rock & Tailings Consolidation ( ) C-Level F-Level
Optional Phases (2014….) Phase 5. Seal-off C Level Surface Water Pathways Phase 6. Bulkhead #2 (F-level) Phase 7. Passive Treatment System Phase 8. Post Removal Site Control View of C-Level Cross Cut
Next Steps Finalize Action Memo (May 2013) Determine partnership roles & responsibilities (Feb-May 2013) Draft any necessary agreements (2013) Start Phase 1, weather permitting (June/July 2013) Project Schedule