40 C.F.R. § 52.1771

Current through October 31, 2024

Section 52.1771 - Classification of regions

The North Carolina 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)
Western Mountain Intrastate	I	III	III	III	III
Eastern Mountain Intrastate	I	III	III	III	III
Metropolitan Charlotte Interstate	I	II	III	III	I
Northern Piedmont Intrastate	I	III	III	III	III
Eastern Piedmont Intrastate	I	III	III	III	III
Northern Coastal Intrastate	I	III	III	III	III
Southern Coastal Intrastate	II	III	III	III	III
Sandhills Intrastate	II	III	III	III	III

40 C.F.R. §52.1771

37 FR 10884, May 31, 1972