nonattainment area
Defined in 1 dictionary — U.S. Code
United States Code
42 U.S.C. § 7501 — in this section
Nonattainment area.—The term “nonattainment area” means, for any air pollutant, an area which is designated “nonattainment” with respect to that pollutant within the meaning of section 7407(d) of this title.