40 C.F.R. § 52.51

Current through September 30, 2024
Section 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 IntrastateIIIIIIIIIIIIII
Columbus (Georgia)-Phenix City (Alabama) InterstateIIIIIIIIIIIII
East Alabama IntrastateIIIIIIIIIIIII
Metropolitan Birmingham IntrastateIIIIIIII
Mobile (Alabama)-Pensacola-Panama City (Florida)-Southern Mississippi InterstateIIIIIIIII
Southeast Alabama IntrastateIIIIIIIIIIIIII
Tennessee River Valley (Alabama)-Cumberland Mountains (Tennessee) InterstateIIIIIIIIIII

40 C.F.R. §52.51

37 FR 10847, May 31, 1972