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Title 40 Part 52 → Subpart G → §52.321

Title 40 → Chapter I → Subchapter C → Part 52 → Subpart G → §52.321

Electronic Code of Federal Regulations e-CFR

Title 40 Part 52 → Subpart G → §52.321

e-CFR data is current as of August 15, 2019

Title 40Chapter ISubchapter CPart 52Subpart G → §52.321


Title 40: Protection of Environment
PART 52—APPROVAL AND PROMULGATION OF IMPLEMENTATION PLANS
Subpart G—Colorado


§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 regionPollutant
Particulate matterSulfur oxidesNitrogen dioxideCarbon monoxideOzone
Pawnee IntrastateIIIIIIIIIIIII
Metropolitan Denver IntrastateIIIIIIIII
Comanche IntrastateIIIIIIIIIIIIIII
San Isabel IntrastateIIIIIIIIIIIII
San Luis IntrastateIIIIIIIIIIIIIII
Four Corners InterstateIAIAIIIIIIIII
Grand Mesa IntrastateIIIIIIIIIIIIIII
Yampa IntrastateIIIIIIIIIIIIIII

[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]