40 CFR 52.971 - Classification of regions.

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

Air quality control region	Pollutant					Particulate matter	Sulfur oxides	Nitrogen dioxide	Carbon monoxide	Ozone	Southern Louisiana-Southeast Texas Interstate	II	I	III	III	I	Shreveport-Texarkana-Tyler Interstate	II	III	III	III	III	Monroe-El Dorado Interstate	II	III	III	III	III

[37 FR 10869, May 31, 1972, as amended at 45 FR 9909, Feb. 14, 1980]