II 118th CONGRESS 1st Session S. 2125 IN THE SENATE OF THE UNITED STATES June 22, 2023 Mrs. Capito (for herself, Mr. Wicker , Mr. Ricketts , Mr. Sullivan , Ms. Lummis , Mr. Cornyn , and Mr. Barrasso ) introduced the following bill; which was read twice and referred to the Committee on Environment and Public Works A BILL To amend the Clean Air Act to facilitate efficient State implementation of certain national ambient air quality standards, and for other purposes.