415 ILCS 5/3.207

(415 ILCS 5/3.207) Sec. 3.207. Greenhouse gases. "Greenhouse gases" or "GHG" means the air pollutant defined in 40 CFR 86.1818-12(a) as the aggregate group of 6 greenhouse gases: carbon dioxide, nitrous oxide, methane, hydrofluorocarbons, perfluorocarbons, and sulfur hexafluoride. (Source: P.A. 97-95, eff. 7-12-11.)