Title 40

SECTION 52.51

52.51 Classification of regions.

§ 52.51 Classification of regions.

The Alabama 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)
Alabama & Tombigbee Rivers Intrastate II III III III III
Columbus (Georgia)-Phenix City (Alabama) Interstate I III III III III
East Alabama Intrastate I III III III III
Metropolitan Birmingham Intrastate I II III I I
Mobile (Alabama)-Pensacola-Panama City (Florida)-Southern Mississippi Interstate I I III III I
Southeast Alabama Intrastate II III III III III
Tennessee River Valley (Alabama)-Cumberland Mountains (Tennessee) Interstate I I III III III
[37 FR 10847, May 31, 1972]