40 C.F.R. § 49.10105
Current through September 30, 2024
The air quality control region which encompasses the Reservation of the Confederated Tribes of the Grand Ronde Community is classified as follows for purposes of episode plans:
| Pollutant | Classification |
| Carbon monoxide | I |
| Nitrogen dioxide | III |
| Ozone | I |
| Particulate matter (PM10) | I |
| Sulfur oxides | IA |
40 C.F.R. §49.10105