Title 40

SECTION 52.1271

52.1271 Classification of regions.

§ 52.1271 Classification of regions.

The Mississippi 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)
Mobile (Alabama)-Pensacola-Panama City (Florida)-Gulfport (Mississippi) Interstate I I III III I
Metropolitan Memphis Interstate I III III III I
Mississippi Delta Intrastate III III III III III
Northeast Mississippi Intrastate II III III III III
[37 FR 10875, May 31, 1972, as amended at 39 FR 16346, May 8, 1974]