420 ILCS 40/9
No person shall use radiation in contravention of such rules and regulations as the Agency may make relating to the control of ionizing radiation. The Agency shall promulgate rules to provide specific standards for (1) determining what financial surety arrangements are required for license approval; (2) determining when an application for license is for an activity which adversely affects the environment, how it will approve such license, and what conditions it will impose before approval; (3) determining to what maximum level a licensee must remove radiation contamination; (4) determining when a product contains a high degree of utility and a low probability of uncontrolled disposal and dispersal; (5) providing what constitutes an emergency for the purposes of waiving notice requirements for out-of-state licensees; and (6) authorizing the injection of radioactive material into potable aquifers.
420 ILCS 40/9