Code of Federal Regulations (Last Updated: July 5, 2024) |
Title 40 - Protection of Environment |
Chapter I - Environmental Protection Agency |
SubChapter C - Air Programs |
Part 52 - Approval and Promulgation of Implementation Plans |
Subpart GG - New Mexico |
§ 52.1621 - Classification of regions.
Latest version.
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§ 52.1621 Classification of regions.
The New Mexico plan was evaluated on the basis of the following classifications:
Air quality control region Pollutant Particulate matter Sulfur oxides Nitrogen dioxide Carbon monoxide Ozone Albuquerque-Mid-Rio Grande Intrastate I III III III I New Mexico Southern Border Intrastate IA IA III III III El Paso-Las Cruces-Alamogordo Interstate I IA III I I Four Corners Interstate IA IA III III III Northeastern Plains Intrastate III III III III III Pecos-Permian Basin Intrastate III III III III III Southwestern Mountains-Augustine Plains Intrastate III III III III III Upper Rio Grande Valley Intrastate III III III III III [37 FR 1081, May 31, 1972, as amended at 39 FR 16347, May 8, 1974; 42 FR 20131, Apr. 18, 1977; 45 FR 24468, Apr. 10, 1980; 45 FR 67347, Oct. 10, 1980; 52 FR 5965, Feb. 27, 1987]