1. Regulations
  2. title 40
  3. chapter I-i4
  4. part 52
  5. subpart ZZ
  6. § 52.2621

View all text of Subpart ZZ [§ 52.2620 - § 52.2637]

§ 52.2621 - Classification of regions.

The Wyoming 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) Cheyenne IntrastateIIIIIIIIIIIIII Casper IntrastateIIIIIIIIIIIIII Wyoming IntrastateIIIIIIIIIIIIIII
[37 FR 10904, May 31, 1972]

CITE AS: 40 CFR 52.2621