C.F.R. » Title 40 » CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY › SUBCHAPTER C—AIR PROGRAMS › PART 52—APPROVAL AND PROMULGATION OF IMPLEMENTATION PLANS › Subpart T—Louisiana

40 C.F.R. § 52.971

Classification of regions

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

Air quality control regionPollutant
Particulate matterSulfur oxidesNitrogen dioxideCarbon monoxideOzone
Southern Louisiana-Southeast Texas InterstateIIIIIIIIII
Shreveport-Texarkana-Tyler InterstateIIIIIIIIIIIIII
Monroe-El Dorado InterstateIIIIIIIIIIIIII
[37 FR 10869, May 31, 1972, as amended at 45 FR 9909, Feb. 14, 1980]