§ 52.1421. Classification of regions.
55 words·~1 min read·
/us/cfr/t40/s§ 52.1421·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
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]