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. Maryland
  8. Classification of regions.

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§ 52.1071 Classification of regions.

The Maryland plans were evaluated on the basis of the following classifications:

Air quality control region Pollutant
Particulate matter Sulfur oxides Nitrogen dioxide Carbon monoxide Ozone
Cumberland-Keyser Interstate I I III III III
Central Maryland Intrastate II II III III III
Metropolitan Baltimore Intrastate I I I I I
National Capital Interstate I I III I I
Southern Maryland Intrastate III III III III III
Eastern Shore Intrastate II III III III III

[37 FR 10870, May 31, 1972, as amended at 39 FR 16346, May 8, 1974; 45 FR 53475, Aug. 12, 1980]


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