40 CFR § 52.1471
Classification of regions
June 9, 2020
The Nevada plan is evaluated on the basis of the following classifications:
Open Table
| 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]
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