DOCUMENT DOWNLOADS
Find links to many relevant documents, data and related materials below.
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Meeting Agendas
Older meeting agendas are available on the meeting agendas archive page.
2025
Meeting #73 – Jan. 2025
Meeting #74 – Feb. 2025 (no meeting held)
Meeting #75 – March 2025 (cancelled)
Meeting #76 – April 2025
Meeting #77 – May 2025
Meeting #78 – June 2025 (no meeting held)
Meeting #79 – July 2025
2024
Meeting #61 – Jan. 2024
Meeting #62 – Feb. 2024
Meeting #63 – March 2024 (no meeting held)
Meeting #64 – April 2024
Meeting #65 – May 2024
Meeting #66 – June 2024 (no meeting held)
Meeting #67 – July 2024 (executive session with Silverton Planning Group)
Meeting #68 – Aug. 2024
Meeting #69 – Sept. 2024 (no meeting held)
Meeting #70 – Oct. 2024
Meeting #71 – Nov. 2024
Meeting #72 – Dec. 2024 (no meeting held)
2023
- Meeting #49 – Jan 2023
- Meeting #50 – Feb 2023
- Meeting #51 – Mar 2023
- Meeting #52 – Apr 2023
- Meeting #53 – May 2023 (no meeting held)
- Meeting #54 – Jun 2023
- Meeting #55 – Jul 2023
- Meeting #56 – Aug. 2023
- Meeting #57 – Sept. 2023 (No meeting held. Tour instead)
- Meeting #58 – Oct. 2023
- Meeting #60 – Nov/Dec 2023
2022
- Meeting #37 — Jan. 2022
- Meeting #38 — Feb. 2022
- Meeting #39 — Mar. 2022
- Meeting #40 — Apr. 2022
- Meeting #41 – May 2022 (no meeting held)
- Meeting #42 – June 2022
- Meeting #43 – July 2022
- Meeting #44 – Aug. 2022 (no agenda – onsite tour)
- Meeting #45 – Sept. 2022
- Meeting #46 – Oct. 2022
- Meeting #47/48 – Nov & Dec 2022
2021
- Meeting #25 — Jan. 2021
- Meeting #26 — Feb. 2021
- Meeting #27 — Mar. 2021
- Meeting #28 — Apr. 2021
- Meeting #29 — May 2021
- Meeting #30 — Jun. 2021
- Meeting #31 — Jul. 2021
- Meeting #32 — Aug. 2021
- Meeting #33 — Sept. 2021
- Meeting #34 — Oct. 2021
- Meeting #35 — Holiday conflict
- Meeting #36 — Dec. 2021
Meeting Notes
Older meeting notes are available on the meeting notes archive page.
2025
-
- Meeting #73 – Jan. 2025
- Meeting #74 – Feb. 2025 (no meeting held)
- Meeting #75 – March 2025 (cancelled)
- Meeting #76 – April 2025
- Meeting #77 – May 2025
- Meeting #78 – June 2025 (no meeting held)
- Meeting #79 – July 2025
2024
- Meeting #61 – Jan. 2024
- Meeting #62 – Feb. 2024
- Meeting #63 – March 2024 (no meeting held)
- Meeting #64 – April. 2024
- Meeting #65 – May 2024
- Meeting #66 – June 2024 (no meeting held)
- Meeting #67 – July 2024 (executive session)
- Meeting #68 – Aug. 2024
- Meeting #69 – Sept. 2024 (no meeting held)
- Meeting #70 – Oct. 2024
- Meeting #71 – Nov. 2024
- Meeting #72 – Dec. 2024 (no meeting held)
2023
- Meeting #49 – Jan 2023
- Meeting #50 – Feb 2023
- Meeting #51 – Mar 2023
- Meeting #52 – Apr 2023
- Meeting #53 – May 2023 (no meeting held)
- Meeting #54 – June 2023 (No notes available)
- Meeting #55 – July 2023
- Meeting #56 – Aug. 2023
- Meeting #57 – Sept. 2023 (no meeting held)
- Meeting #58 – Oct. 2023
- Meeting #60 – Dec. 2023
2022
- Meeting #37 — Jan 2022
- Meeting #38 — Feb 2022
- Meeting #39 — Mar 2022
- Meeting #40 – Apr 2022
- Meeting #41 – May 2022 (no meeting held)
- Meeting #42 – Jun 2022
- Meeting #43 – Jul 2022
- Meeting #44 – Aug. 2022 (no notes – onsite tour)
- Meeting #45 – Sept 2022
- Meeting #46 – Oct 2022
- Meeting #47/48 – Dec 2022
2021
- Meeting #25 — Jan. 2021
- Meeting #26 — Feb. 2021
- Meeting #27 — Mar. 2021
- Meeting #28 — Apr. 2021
- Meeting #29 — May 2021
- Meeting #30 — Jun. 2021
- Meeting #31 — Jul. 2021
- Meeting #32 – Aug. 2021
- Meeting #33 – Sept. 2021
- Meeting #34 – Oct. 2021
- Meeting #35 – Holiday conflict
- Meeting #36 – Dec. 2021
2020
- Meeting #13 – Jan. 2020
- Meeting #14 – Feb. 2020
- Meeting #15 – Mar. 2020 (postponed due to COVID-19)
- Meeting #16 – Apr. 2020 Zoom meeting video (Google Drive)
- Meeting #17 – May 2020
- Meeting #18 – Jun. 2020
- Meeting #19 — Jul. 2020
- Meeting #20 — Aug. 2020
- Meeting #21 — Sept. 2020
- Meeting #22 — Oct. 2020
- Meeting #23 — Nov. 2020 (no meeting held; holiday)
- Meeting #24 — Dec. 2020
CAG Process Documents
Powerpoints & Presentations
- Introducing EPA’s Goals For Bonita Peak 4.2019
- Interim Remedial Action Plan (IRAP) (P. Butler from meeting #2)
- ‘Digging Deeper’ – Aquatic Baseline Ecological Risk Assessment (BERA) (A. Todd (EPA) from meeting #4)
- Adaptive Management: EPA (July 2019)
- Legal Update: Anthony Edwards (Aug. 2019)
- EPA Site Strategy Workshop Presentation 11.7.2019
- Bulkheads and Impounded Water – DRMS (Jan. 2020)
- Adaptive Management Plan Chapters 2 & 4 – EPA (April 2020)
- Year-in-Review 2019 – EPA Digging Deeper (April 2020)
- EPA – Overview of Mayflower Tailings Ponds (May 2020)
- Sunnyside Gold – Mayflower Investigation & Characterization (May 2020)
- EPA – Red & Bonita Bulkhead Test & Mayflower Repository FS (June 2020)
- Asarco/Arrastra Gulch Activities Update (July 2020)
- BLM Activities Update (July 2020)
- Dept. of Reclamation, Mining & Safety (DRMS) Activities Update (July 2020)
- USFS Activities Update (Aug 2020)
- Water Quality Data – Animas Canyon 2020 (Butler – Oct. 2020)
- 2020 Year in Review/2021 Outlook (EPA – Dec. 2020)
- Terrestrial BERA (EPA – Dec. 2020 – B. Sanchez)
- CO Parks & Wildlife Fishery Data 2020 (Dec. 2020 – J. White)
- What Do We Know About the GW System and How Does That Inform the Site Strategy? (EPA Feb 2020)
- DRMS – Ben Butler Mine Update (Feb 2021)
- EPA – Remedial Investigation OU1 (Feb 2021)
- EPA Funding Stream – (June 2021)
- ASARCO Site Update (July 2021)
- R&B Bulkhead Closure Report_EPA (Dec 2021)
- 2021 Year in Review EPA (Jan 2022)
- Final RI Workplan EPA (Jan 2022) – large file, please request
- 2022 Planned Priorities (Dec 2021)
- 3D Modeling at Howardsville (EPA – June 2022)
- CAG General Update (P. Butler – July 2022)
- Summer Activities Recap 2022 – EPA (Sept. 2022)
- Bulkhead Effectiveness Summary 2022 – EPA (Sept. 2022)
- Conceptual Site Model – OU3 Groundwater – EPA (Oct. 2022)
- 2022 Year in Review/2023 Plans – EPA (Jan 2023)
- WQ in Animas Canyon – Butler (Feb 2023)
- Surface Water Remedy Community Workshop (EPA) – March 2023
- Table Value Standards – Animas (Butler) – April 2023
- Mayflower Repository Update (EPA) – April 2023
- Howardsville Investigation (EPA) – June 2023
- Aug – Field season ’23 IROD site actions (EPA)
- Dec – A case study of in-situ treatment @ Captain Jack, Boulder County, CO (EPA)
- Effects of Gladstone treatment at A72 (Butler)(Jan. 2024)
- A68 Gage Data (Butler)(Jan. 2024)
- KBI – CDPHE Summer Projects 2023 Completed (Keene) (April 2024)
- Combined Field Plans 2024 EPA/CDPHE/BLM/DRMS (May 2024)
- Benthic Macroinvertebrates PPT – MSI/Roberts (Aug 2024)
- Five Year Review Fact Sheet – EPA (Nov. 2024)
- Site Priorities & Goals – EPA (Jan. 2025)
- Good Samaritan Law – Trout Unltd. (Jan. 2025)
- Burrows Gulch water right – BLM/TU (April 2025)
- Repository Construction Updates – EPA (May 2025)
Important Documents/Data
ARSG Data
- Combined Water Qual Data May 7, 2013
- Benthic Macroinvertebrate Analysis – 2004 Compared to the 1996 and 1997 Data
- 2010 Benthic Macroinvertebrate Analysis
- Porphyry Gulch 2017 Benthic Macroinvertebrate Assessment
General
- List of Frequently-used Acronyms
- Glossary of Superfund Terms
- Gladstone Chronology from Silverton Standard
- Mountain Studies Institute Animas River data: http://www.mountainstudies.org/animasriver
- Animas Canyon WQ Data – updated Feb. 2022
- Mineral Creek WQ Data 2.2022
EPA
General
- Interim Water Treatment Plant Failure WQ data press release EPA 3.25.19
- EPA Organizational Chart 2020
- EPA Seeps & Springs Report (March 2021) (File too large. Contact CAG for info)
Risk Assessments
- Aquatic Baseline Ecological Risk Assessment (BERA)(2019) – contact us for a copy (file too large)
- Human Health Risk Assessment (HHRA): https://semspub.epa.gov/src/document/08/100006501
- HHRA Fact Sheet: https://semspub.epa.gov/src/document/08/100006521
- Terrestrial Baseline Ecological Risk Assessment
- Terrestrial BERA Fact Sheet
IRODs
- Interim Remedial Actions (IRAs) 2018 Public Comments: https://cumulis.epa.gov/supercpad/SiteProfiles/index.cfm?fuseaction=second.scs&id=0802497&doc=Y&colid=37790®ion=08&type=SC
- IROD Fact Sheet 5.2019
- 2024 Five Year Review Fact Sheet (Nov. 2024)
Red & Bonita Bulkhead
Bulkhead Tests 2020
- R&B Bulkhead test – report #1
- R&B Bulkhead test – report #2
- R&B Bulkhead test – report #3
- R&B Bulkhead test – report #4
- R&B Bulkhead test – report #5
- R&B Bulkhead test – report #6
- R&B Bulkhead test – report #7
- R&B Bulkhead test – report #8
- R&B Bulkhead test – report #9
- R&B Bulkhead test – report #10
- R&B Bulkhead test – report #11
- R&B Bulkhead test – report #12
- R&B Bulkhead test – report #13
- R&B Bulkhead test – report #14
- R&B Bulkhead test – report #15
Mayflower Repository
- Proposed Plan – July 2020
- Repository Fact Sheet by EPA – July 2020
- Plan Public Meeting Presentation (not a CAG meeting) – Aug. 11, 2020
- CAG Public Comments on Proposed Plan – Aug. 2020
- Sunnyside Gold Corp. Public Comments – Aug. 2020
- Repository Construction Fact Sheet (Sept. 2024)
Adaptive Management Plan (AMP) & Site Strategy
- *See additional AMP information above in ‘PowerPoints & Presentations’
- CAG letter to EPA on Site Strategy 12.15.2019
- CAG letter to EPA on Site Strategy – chapters 2 & 4 (June 2020)
- Sunnyside letter to EPA on Site Strategy – chapters 2 & 4 (June 2020)
- CAG Comments on Final Site Mngt. Plan (Oct. 2020)
- Sunnyside Comments on Final Plan (Oct. 2020)
- Final Site Mngt Plan (Dec. 2020)
- 5 Year Plan 2021-2026 (March 2021)
- 2021 Task List for all agencies (March 2021)
- CAG Comments on EPA’s 5 Year Plan
- 5 Year Strategic Plan Schematic (July 2024)
Sunnyside Gold Corporation