40 CFR § 52.2371
Classification of regions
June 9, 2020
The Vermont plan was evaluated on the basis of the following classifications:
Open Table
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 |
[37 FR 10898, May 31, 1972, as amended at 45 FR 10782, Feb. 19, 1980; 82 FR 29007, June 27, 2017]