A bill to amend the Clean Air Act to establish a procedure under which an ozone nonattainment area may be redesignated as an attainment area if certain requirements are met. A bill to amend the Clean Air Act to establish a procedure under which an ozone nonattainment area may be redesignated as an attainment area if certain requirements are met. (Congressional Record 27 April 2026 [House] Pages H3122-H3124)