420 ILCS 52/20
420 ILCS 52/20
in effect(420 ILCS 52/20) Sec. 20. Adoption of passive radon resistant construction. All new residential construction in this State shall include passive radon resistant construction. (Source: P.A. 97-953, eff. 6-1-13.)
Source: Open US Law by Vaquill AI (CC BY 4.0)URL: https://www.ilga.gov/legislation/ilcs/ilcs.aspFetched: 10/17/2026
