In 2014, EPA prepared a formal Administrative Record to support the September 24, 2014 Action Memorandum for the Red and Bonita Mine Site. This Administrative Record has been available in Silverton, Colorado and EPA’s Denver Records Center.
- Preliminary Evaluation of Remedial Alternatives Using a Reactive Transport Model: Cement Creek/Animas River (PDF)(56 pp, 8 MB)
- Report of Structural Geologic Investigation, Red & Bonita Mine, 2007 (PDF)(12 pp, 1 MB)
- Risk Assessment Status and Results (PDF)(21 pp, 2 MB)
- Animas River Report, 2010 (PDF)(17 pp, 1 MB)
- Upper Animas River Surface Water Toxicity Testing Report April 2013 Surface Water Collection (PDF)(97 pp, 9 MB)
- Animas River Sediment Toxicity Testing Report December 2012 Sediment Collection (PDF)(72 pp, 17 MB)
- Final Upper Animas River 2012 Surface Water Toxicity Testing Report (PDF)(125 pp, 24 MB)
- Preliminary Evaluation of Feasibility for Water Impounding Concrete Bulkheads, Red and Bonita Mine, San Juan County Colorado (PDF)(22 pp, 1 MB)
- Field Activities Report - Mine Entry, Red and Bonita Mine Site (PDF)(109 pp, 6 MB)
- AR Collection cover sheet and index of documents (PDF)(2 pp, 711 K)
- Approval and Funding for a Removal Action at the Red and Bonita Mine Site in San Juan County (PDF)(16 pp, 17 MB)
- Cover letter for the administrative record file for Red & Bonita Mine Removal Action in San Juan County, CO. (PDF)(1 pg, 525 K)
- Community Involvement Plan: Red & Bonita Mine Site Removal Action (PDF)(17 pp, 3 MB)
- Red and Bonita Action Memo -Sunnyside Gold Comments Figure 3 (map) -Revised (PDF)(2 pp, 4 MB)
- Notice of public comment opportunity published in Silverton Standard, Nov. 20, 2014 (PDF)(1 pg, 299 K)
- Notice of public comment opportunity published in Silverton Standard, Dec. 18, 2014 (PDF)(1 pg, 874 K)
- Comments from Sunnyside Gold Corporation on Administrative Record -Red and Bonita Removal Site (PDF)(1 pg, 127 K)
- EPA response to comment (PDF)(1 pg, 75 K)
- List of documents in this adimistrative record (PDF)(1 pg, 319 K)