C.F.R. » Title 40 » CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY › SUBCHAPTER C—AIR PROGRAMS › PART 52—APPROVAL AND PROMULGATION OF IMPLEMENTATION PLANS › Subpart C—Alaska

40 C.F.R. § 52.71

Classification of regions

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

Air quality control RegionPollutant
Particulate matterSulfur oxidesNitrogen dioxideCarbon monoxideOzone
Cook Inlet IntrastateIIIIIIIIIII.
Northern Alaska IntrastateIIIIIIIIIII.
South Central Alaska IntrastateIIIIIIIIIIIIIII.
Southeastern Alaska IntrastateIIIIIIIIIIIIIII.
[37 FR 10848, May 31, 1972, as amended at 48 FR 30625, July 5, 1983]