Classification of regions.

  1. Law
  2. CFR 40
  3. Protection of Environment
  4. Environmental Protection Agency
  5. Air Programs
  6. Approval and Promulgation of Implementation Plans
  7. New Hampshire
  8. Classification of regions.

Checkout our iOS App for a better way to browser and research.

§ 52.1521 Classification of regions.

The New Hampshire plan was evaluated on the basis of the following classifications:

Expand 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]


Download our app to see the most-to-date content.