40 C.F.R. § 52.1271

Classification of regions.

Last amended: 2016Year: 2026Length: 78 wordsOfficial source

Cite as 40 C.F.R. § 52.1271 (2026)

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]
40 C.F.R. § 52.1271: Classification of regions. | Justis AI