This law requires that before a buyer will become bound on a contract to purchase real estate in Illinois the seller will be required to provide a pamphlet entitled "Radon Testing Guidelines for Real Estate Transactions" and the "Illinois Disclosure of Information on Radon Hazards". The pamphlets are provided by the IL Emergency Management Agency Division of Nuclear Safety.
Does your home have a radon problem?
Frequently Asked Questions
Illinois Radon Map
EPA Radon Zone Maps
Radon Testing Guidelines by Lyn Sims on Scribd