View all text of Subpart DD [§ 52.1470 - § 52.1492]
§ 52.1471 - Classification of regions.
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 |
|---|