§ 52.51 - Classification of regions.

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§ 52.51 Classification of regions.

The Alabama 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)
Alabama & Tombigbee Rivers Intrastate	II	III	III	III	III
Columbus (Georgia)-Phenix City (Alabama) Interstate	I	III	III	III	III
East Alabama Intrastate	I	III	III	III	III
Metropolitan Birmingham Intrastate	I	II	III	I	I
Mobile (Alabama)-Pensacola-Panama City (Florida)-Southern Mississippi Interstate	I	I	III	III	I
Southeast Alabama Intrastate	II	III	III	III	III
Tennessee River Valley (Alabama)-Cumberland Mountains (Tennessee) Interstate	I	I	III	III	III

[37 FR 10847, May 31, 1972]

                    
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