- Regional Haze State Implementation Plan. (Revised December 2016)
- Appendix A: Periodic Review of Reasonably Attributable Visibility Impairment (RAVI) Long Term Strategy.
- Appendix B: State Implementation Plan (SIP) Revision for Reasonably Attributable Visibility Impairment (RAVI) Long Term Strategy.
- Appendix C: Technical Support Documents for BART Determinations
- CEMEX Inc. Lyons Cement Plant.
- Colorado Energy Nations Co. Power Plant.
- Comanche 1 & 2 Power Plant.
- Craig 1 & 2 Power Plant. (Revised June 2017)
- Technical Analysis. (Revised November 2014)
- Drake Power Plant.
- Hayden Power Plant.
- Appendix D: Technical Support Documents for Reasonable Progress Determinations
- Appendix E:Regional Haze Plan 5 Year Progress Report. (Revised November 2015)
- Regional Haze Plan Part F: Best Available Retrofit Technology.
- Technical Support Documents
- Colorado Impact to Nearby Class I Areas.
- Black Canyon of the Gunnison National Monument.
- Douglas and Ripple Creek Passes.
- Eagles Nest Wilderness.
- Flat Tops Wilderness.
- Great Sand Dunes National Monument.
- La Garita Wilderness.
- Maroon Bells Wilderness.
- Mesa Verde National Park.
- Mount Zirkel Wilderness.
- Rawah Wilderness.
- Rocky Mountain National Park.
- Weminuche Wilderness.
- West Elk Wilderness.
- Weight of Evidence Profile