2024 Illinois Compiled Statutes 415 ILCS 5/9.1 – (a) The General Assembly finds that the federal Clean Air Act, as …

2023 Illinois Compiled Statutes 415 ILCS 5/9.1 – (a) The General Assembly finds that the federal Clean Air Act, as …

2022 Illinois Compiled Statutes 415 ILCS 5/9.1 – (a) The General Assembly finds that the federal Clean Air Act, as …

2021 Illinois Compiled Statutes 415 ILCS 5/9.1 – (a) The General Assembly finds that the federal Clean Air Act, as …

2020 Illinois Compiled Statutes 415 ILCS 5/9.1 – (a) The General Assembly finds that the federal Clean Air Act, as …

2019 Illinois Compiled Statutes 415 ILCS 5/9.1 – (a) The General Assembly finds that the federal Clean Air Act, as …

2017 Illinois Compiled Statutes 415 ILCS 5/9.1 – (a) The General Assembly finds that the federal Clean Air Act, as …

2016 Illinois Compiled Statutes 415 ILCS 5/9.1 – (a) The General Assembly finds that the federal Clean Air Act, as …

2015 Illinois Compiled Statutes 415 ILCS 5/9.1 – (a) The General Assembly finds that the federal Clean Air Act, as ..

2013 Illinois Compiled Statutes 415 ILCS 5/9.1 – (a) The General Assembly finds that the federal Clean Air Act, as …

2010 415 ILCS 5/9.1 – (a) The General Assembly finds that the federal Clean Air Act, as…

2009 415 ILCS 5/9.1