Carbon Monoxide
Regulatory Actions
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National Ambient Air Quality Standards for Carbon Monoxide - Final Rule
August 12, 2011 - The Environmental Protection Agency issued a decision to retain the existing National Ambient Air Quality Standards for carbon monoxide. This final action includes revisions to monitoring requirements for CO.
- Final Rule (PDF) (50pp, 2.3 MB) - Federal Register - August 31, 2011
- Fact Sheet (PDF) (4pp, 26k)
- Map of monitoring areas (PDF) (1pg, 147k)
- List of monitoring areas (PDF) (2pp, 84k)
National Ambient Air Quality Standards for Carbon Monoxide - Public Hearing
EPA will hold a public hearing to take comment on its proposal to retain the National Ambient Air Quality Standards for carbon monoxide and the associated proposed monitoring requirements. The hearing will be held on Monday, February 28, 2011 in Arlington, VA at:
EPA's Potomac Yard Conference Center
First Floor Conference Center South (S-1204-06)
2777 Crystal Drive
Arlington, VA 22202
703-308-0092
Each speaker will have 5 minutes to present testimony. Please contact Ms. Jan King prior to the public hearing at e-mail king.jan@epa.gov or telephone (919-541-5665) to pre-register to speak at the hearing and/or if you will need specific audiovisual (AV) equipment or translation services (for non-English speaking commenters).
The public hearing will begin at 10:00 AM and continue until 5:00 PM or later if a previously registered speaker requires time after 5:00 PM. There will be a break between 1:00 and 2:30 PM for lunch.
Security: All visitors will be required to show a valid picture ID upon entering the building. You will also have to sign in and go through a security screening. Any electronic equipment you bring will also need to be registered.
National Ambient Air Quality Standards for Carbon Monoxide - Proposed Rule
January 28, 2011 - The Environmental Protection Agency has proposed to retain the existing National Ambient Air Quality Standards for carbon monoxide. This action includes proposed revisions to monitoring requirements for CO.
- Proposed Rule (PDF) (64pp, 2.4 MB) - Federal Register - Feb 11, 2011
- Fact Sheet (PDF) (4pp, 33k)
- Map of potential monitoring areas (PDF) (1pg, 221k)
- List of potential monitoring areas (PDF) (2pp, 48k)