The revised Denver Emergency Episode Plan, adopted by the State of Colorado February 28, 1996, was submitted by the Governor of Colorado with a September 16, 1997 letter.
Air quality control region | Pollutant | ||||
Particulate matter | Sulfur oxides | Nitrogen dioxide | Carbon monoxide | Ozone | |
Pawnee Intrastate | I | III | III | III | III |
Metropolitan Denver Intrastate | I | III | III | I | I |
Comanche Intrastate | III | III | III | III | III |
San Isabel Intrastate | I | III | III | III | III |
San Luis Intrastate | III | III | III | III | III |
Four Corners Interstate | IA | IA | III | III | III |
Grand Mesa Intrastate | III | III | III | III | III |
Yampa Intrastate | III | III | III | III | III |
40 C.F.R. §52.321