Illinois Statutes Chapter 420. Nuclear Safety § 44/15. Definitions

(a) “Agency” or “IEMA-OHS” means the Illinois Emergency Management Agency and Office of Homeland Security, or its successor agency.

(b) “Client” means any person who contracts for measurement or mitigation services.

(c) “Director” means the Director of the Agency.

(d) “Interfere” means to adversely or potentially adversely impact the successful completion of an indoor radon measurement by changing the radon or radon progeny concentrations or altering the performance of measurement equipment or an indoor radon mitigation system installation or operation.

(e) “Laboratory analysis” means the act of analyzing the radon or radon progeny concentrations with passive devices, or the act of calibrating radon or radon progeny measurement devices, or the act of exposing radon or radon progeny devices to known concentrations of radon or radon progeny as a compensated service.

(f) “Mitigation” means the act of repairing or altering a building or building design for the purpose in whole or in part of reducing the concentration of radon in the indoor atmosphere.

(g) “Person” means entities, including, but not limited to, an individual, company, corporation, firm, group, association, partnership, joint venture, trust, or government agency or subdivision.

(h) “Radon” means a gaseous radioactive decay product of uranium or thorium.

(i) “Radon contractor” or “contractor” means a person licensed to perform radon or radon progeny mitigation or to perform measurements of radon or radon progeny in an indoor atmosphere.

(j) “Radon progeny” means any combination of the radioactive decay products of radon.