40 CFR § 49.10985
Classification of regions for episode plans
June 9, 2020
The air quality control region which encompasses the Tulalip Reservation is classified as follows for purposes of episode plans:
Open Table
Pollutant | Classification |
---|---|
Carbon monoxide | I |
Nitrogen dioxide | III |
Ozone | I |
Particulate matter (PM10) | I |
Sulfur oxides | IA |