An official website of the United States government.

This is not the current EPA website. To navigate to the current EPA website, please go to www.epa.gov. This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »

Part 244: Episodes

EPA-Approved Illinois Regulations and Statutes

Title 35 of the Illinois Administrative Code
Subtitle B: Air Pollution
Chapter I: Pollution Control Board
Subchapter l: Air Quality Standards and Episodes
Part 244: Episodes
You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.