40 C.F.R. § 52.321

Current through October 31, 2024
Section 52.321 - Classification of regions

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 IntrastateIIIIIIIIIIIII
Metropolitan Denver IntrastateIIIIIIIII
Comanche IntrastateIIIIIIIIIIIIIII
San Isabel IntrastateIIIIIIIIIIIII
San Luis IntrastateIIIIIIIIIIIIIII
Four Corners InterstateIAIAIIIIIIIII
Grand Mesa IntrastateIIIIIIIIIIIIIII
Yampa IntrastateIIIIIIIIIIIIIII

40 C.F.R. §52.321

37 FR 10855, May 31, 1972, as amended at 39 FR 16346, May 8, 1974; 44 FR 57409, Oct. 5, 1979; 74 FR 47891 , Sept. 18, 2009