Classification of regions.

  1. Law
  2. CFR 40
  3. Protection of Environment
  4. Environmental Protection Agency
  5. Air Programs
  6. Approval and Promulgation of Implementation Plans
  7. North Dakota
  8. Classification of regions.

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§ 52.1821 Classification of regions.

The North Dakota plan was evaluated on the basis of the following classifications:

Expand Table
Air quality control region Pollutant
Particulate matter Sulfur oxides Nitrogen dioxide Carbon monoxide Photochemical oxidants (hydrocarbons)
Metropolitan Fargo-Moorhead Interstate II III III III III
North Dakota Intrastate II III III III III

[37 FR 10885, May 31, 1972]


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