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. ----------------------------------------------------------------------------------------------------------------
Pollutant
-----------------------------------------------------
Air quality control region Particulate Sulfur Nitrogen Carbon
matter oxides dioxide monoxide Ozone----------------------------------------------------------------------------------------------------------------Pawnee Intrastate......................................... I III III III IIIMetropolitan Denver Intrastate............................ I III III I IComanche Intrastate....................................... III III III III IIISan Isabel Intrastate..................................... I III III III IIISan Luis Intrastate....................................... III III III III IIIFour Corners Interstate................................... IA IA III III IIIGrand Mesa Intrastate..................................... III III III III IIIYampa Intrastate.......................................... III III III III III---------------------------------------------------------------------------------------------------------------- [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]