40 CFR 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]