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. Alaska
  8. Classification of regions.

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

§ 52.71 Classification of regions.

The Alaska 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
Cook Inlet Intrastate I III III I III.
Northern Alaska Intrastate I III III I III.
South Central Alaska Intrastate III III III III III.
Southeastern Alaska Intrastate III III III III III.

[37 FR 10848, May 31, 1972, as amended at 48 FR 30625, July 5, 1983]


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