Regulations last checked for updates: Nov 22, 2024

Title 40 - Protection of Environment last revised: Nov 20, 2024
§ 49.10045 - Classification of regions for episode plans.

The air quality control region which encompasses the Reservation of the Cow Creek Band of Umpqua Indians is classified as follows for purposes of episode plans:

Pollutant Classification
Carbon monoxideIII
Nitrogen dioxideIII
OzoneIII
Particulate matter (PM10)II
Sulfur oxidesIII
authority: 42 U.S.C. 7401,
source: 63 FR 7271, Feb. 12, 1998, unless otherwise noted.
cite as: 40 CFR 49.10045