Code of Federal Regulations (Last Updated: May 6, 2024) |
Title 40 - Protection of Environment |
Chapter I - Environmental Protection Agency |
SubChapter C - Air Programs |
Part 52 - Approval and Promulgation of Implementation Plans |
Subpart OO - Rhode Island |
§ 52.2071 - Classification of regions.
Latest version.
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§ 52.2071 Classification of regions.
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]