40 CFR 52.571 - Classification of regions.

Regulations last checked for updates: May 03, 2025

Title 40 - Protection of Environment last revised: Nov 03, 2025

§ 52.571 - Classification of regions.

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

Air quality control region	Pollutant
Air quality control region	Particulate matter	Sulfur oxides	Nitrogen dioxide	Carbon monoxide	Photochemical oxidants (hydrocarbons)
Augusta (Georgia)-Aiken (South Carolina) Interstate	I	II	III	III	III
Metropolitan Atlanta Intrastate	I	I	III	III	III
Chattanooga Interstate	I	II	III	III	III
Columbus (Georgia)-Phenix City (Alabama) Interstate	I	III	III	III	III
Central Georgia Intrastate	I	I	III	III	III
Jacksonville (Florida)-Brunswick (Georgia) Interstate	I	II	III	III	I
Northeast Georgia Intrastate	II	III	III	III	III
Savannah (Georgia)-Beaufort (South Carolina) Interstate	I	I	III	III	III
Southwest Georgia Intrastate	II	II	III	III	III

[37 FR 10859, May 31, 1972, as amended at 39 FR 16346, May 8, 1974]

authority: 42 U.S.C. 7401

cite as: 40 CFR 52.571