U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
The Vermont plan was evaluated on the basis of the following classifications:
Air quality control region | Pollutant | ||||
---|---|---|---|---|---|
Particulate
matter | Sulfur
oxides | Nitrogen
dioxide | Carbon
monoxide | Ozone | |
Champlain Valley Interstate | II | III | III | III | III |
Vermont Intrastate | II | III | III | III | III |