Title 40

SECTION 52.71

52.71 Classification of regions.

§ 52.71 Classification of regions.

The Alaska plan was evaluated on the basis of the following classifications:

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]