40 C.F.R. § 52.1421

Current through October 31, 2024
Section 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

40 C.F.R. §52.1421

37 FR 10877, May 31, 1972, as amended at 39 FR 16347, May 8, 1974