40 C.F.R. § 52.2071

Classification of regions.

Last amended: 2016Year: 2026Length: 62 wordsOfficial source

Cite as 40 C.F.R. § 52.2071 (2026)

The Rhode Island plan was evaluated on the basis of the following classifications: Air quality control region Pollutant Particulate matter Sulfur oxides Nitrogen dioxide Carbon monoxide Ozone Metropolitan Providence Interstate I I III I I [37 FR 10891, May 31, 1972, as amended at 38 FR 34325, Dec. 13, 1973; 39 FR 16347, May 8, 1974; 46 FR 25460, May 7, 1981]
40 C.F.R. § 52.2071: Classification of regions. | Justis AI