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]