§ 52.1621. Classification of regions.
96 words·~1 min read·
/us/cfr/t40/s§ 52.1621·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
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 IntrastateIIIIIIIIIII New Mexico Southern Border IntrastateIAIAIIIIIIIII El Paso-Las Cruces-Alamogordo InterstateIIAIIIII Four Corners InterstateIAIAIIIIIIIII Northeastern Plains IntrastateIIIIIIIIIIIIIII Pecos-Permian Basin IntrastateIIIIIIIIIIIIIII Southwestern Mountains-Augustine Plains IntrastateIIIIIIIIIIIIIII Upper Rio Grande Valley IntrastateIIIIIIIIIIIIIII [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]