40 CFR § 49.10405 - Classification of regions for episode plans.
prev | next
§ 49.10405 Classification of regions for episode plans.
The air quality control region which encompasses the Nez Perce Reservation is classified as follows for purposes of episode plans:
| Pollutant | Classification |
|---|---|
| Carbon monoxide | III |
| Nitrogen dioxide | III |
| Ozone | III |
| Particulate matter (PM10) | I |
| Sulfur oxides | III |