Title 40

SECTION 52.1071

52.1071 Classification of regions.

§ 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]