"Contaminant" is any solid, liquid, or gaseous matter, any odor, or any form of energy, from whatever source.
415 ILCS 5/3.165
Contaminant
Known as the Environmental Protection Act
The act spans §§ 415-5-1 to 415-5-7-6 (124 sections).
P.A. 92-574, eff. 6-26-02.
Official source: Illinois General Assembly. Reproduced from public-domain Illinois statutes; confirm against the official source for the current text. Not legal advice.