40 C.F.R. § 52.1471
Classification of regions.
Cite as 40 C.F.R. § 52.1471 (2026)
The Nevada plan is evaluated on the basis of the following classifications: Air quality control region Pollutant Particulate matter Sulfur oxides Nitrogen dioxide Carbon monoxide Ozone Las Vegas Intrastate I III III I I Northwest Nevada Intrastate I III III III III Nevada Intrastate IA III III III III [80 FR 67663, Nov. 3, 2015]