EPA-Approved Illinois Regulations and Statutes
415 ILCS 5/9.9
Illinois Compiled Statutes 415 ILCS 5
ENVIRONMENTAL SAFETY
Environmental Protection Act.
TITLE II: AIR POLLUTION
Sec. 9.9. Nitrogen oxides trading system.
You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.- 415 ILCS 5/9.9 (PDF)(1 pg, 9 K)