40 CFR 52.871 - Classification of regions.

The Kansas plan was evaluated on the basis of the following classifications:

Air quality control region	Pollutant					Particulate matter	Sulfur oxides	Nitrogen dioxide	Carbon monoxide	Photochemical oxidants (hydrocarbons)	Metropolitan Kansas City Interstate	I	III	III	I	I	South Central Kansas Intrastate	I	III	III	III	I	Northeast Kansas Intrastate	I	III	III	III	III	Southeast Kansas Intrastate	III	III	III	III	III	North Central Kansas Intrastate	I	III	III	III	III	Northwest Kansas Intrastate	I	III	III	III	III	Southwest Kansas Intrastate	I	III	III	III	III

[37 FR 10867, May 31, 1972]