[Code of Federal Regulations] [Title 49, Volume 7] [Revised as of October 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 49CFR624.1] [Page 41] TITLE 49--TRANSPORTATION CHAPTER VI--FEDERAL TRANSIT ADMINISTRATION, DEPARTMENT OF TRANSPORTATION PART 624_CLEAN FUELS FORMULA GRANT PROGRAM--Table of Contents Sec. 624.1 Eligible applicant. (a) An eligible applicant is a designated recipient (designated recipient has the same meaning as in 49 U.S.C. 5307(a)(2)) in either an: (1) Ozone and carbon monoxide nonattainment areas that have the specific classifications established by the 1990 Clean Air Act Amendments [Public Law 101-549], or (2) Ozone and carbon monoxide (CO) ``maintenance'' areas that, before they were redesignated to attainment by the Environmental Protection Agency (EPA), had these same classifications. (b) The nonattainment classifications for ozone are ``marginal,'' ``moderate,'' ``serious,'' ``severe,'' and ``extreme.'' The nonattainment classifications for CO are ``moderate'' and ``serious.''