40 CFR § 52.1521
Classification of regions
June 9, 2020
The New Hampshire 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 | |
| Androscoggin Valley Interstate | IA | III | III | III | III |
| Central New Hampshire Intrastate | III | III | III | III | III |
| Merrimack Valley—Southern New Hampshire Interstate | I | III | III | III | I |
[37 FR 10879, May 31, 1972, as amended at 45 FR 24876, Apr. 11, 1980; 80 FR 78141, Dec. 16, 2015; 81 FR 44554, July 8, 2016]
Tried the LawStack mobile app?
Join thousands and try LawStack mobile for FREE today.
- Carry the law offline, wherever you go.
- Download CFR, USC, rules, and state law to your mobile device.
