Air Quality
Carbon Monoxide (CO) Redesignation
After much hard work by the citizens of Missoula and the Missoula City-County Health Department, Missoula has been officially redesignated from "Non-Attainment" for CO (carbon monoxide) to "Maintenance" for the national carbon monoxide air quality standard. This site contains information related to this effort.
Missoula County Carbon Monoxide Redesignation Request
- Missoula County CO Redesignation in Federal Register
- Final Missoula County Carbon Monoxide Redesignation Request
- Responses to Public Comments
- City and County Resolutions
- DEQ Hearing, April 22, 2005
Technical Documents
- CO Redesignation Demonstration (appendices available upon request)
- Brooks/South/Russell Modeling
- 2000 CO Emission Inventory
Resources
Updates
- September 2001 Redesignation Update
- November 2002 Redesignation Update
- October 2003 CO Redesignation Update
- June 2006: EPA's Adequacy Determination for Missoula's CO Transportation Conformity Budget
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