1. Regulations
  2. title 40
  3. chapter I-i3
  4. part 52
  5. subpart CC
  6. § 52.1421

View all text of Subpart CC [§ 52.1420 - § 52.1437]

§ 52.1421 - Classification of regions.

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

Air quality control region Pollutant Particulate matter Sulfur oxides Nitrogen dioxide Carbon monoxide Photochemical oxidants (hydrocarbons) Metropolitan Omaha-Council Bluffs InterstateIIIIIIIIIIII Lincoln-Beatrice-Fairbury IntrastateIIIIIIIIIIIIII Metropolitan Sioux City InterstateIIIIIIIIIIIIIII Nebraska IntrastateIIIIIIIIIIIIIII
[37 FR 10877, May 31, 1972, as amended at 39 FR 16347, May 8, 1974]

AUTHORITY: 42 U.S.C. 7401

CITE AS: 40 CFR 52.1421