Ill. Admin. Code tit. 32, § 622.80
b) Each registrant shall, within 30 days of discovery of the event, report to the Agency each event involving loss of control of water treatment residuals possessed by the registrant that may have caused, or threatens to cause, an unplanned contamination event outside of a restricted area exceeding the values specified in Appendix A of 32 Ill. Adm. Code 340.
AGENCY NOTE: Reports can be made to EMA.RadiumResiduals@illinois.gov or the 24-hour IEMA-OHS Communications Center (217-782-7860).
c) Persons found to have caused or contributed to violations of the requirements of this Part may be required to: