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. Puerto Rico
  8. Classification of regions.

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§ 52.2721 Classification of regions.

The Puerto Rico 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)
Puerto Rico IA IA III III III

[37 FR 10905, May 31, 1972]


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