420 ILCS 40/2
Whereas ionizing radiations and their sources can be instrumental in the improvement of the health and welfare of the public if properly utilized, and may be destructive or detrimental to life or health if carelessly or excessively employed or may detrimentally affect the environment of the State if improperly utilized, it is hereby declared to be the public policy of this State to encourage the constructive uses of radiation and to prohibit and prevent exposure to ionizing radiation in amounts which are or may be detrimental to health. It is further the policy to advise, consult and cooperate with other agencies of the State, the Federal Government, other States and interstate agencies and with affected groups, political sub-divisions and industries; and, in general, to conform as nearly as possible to nationally accepted standards in the promulgation and enforcement of codes, rules and regulations.
420 ILCS 40/2