Notification of Critical Review is a warning that a Restricted Status situation is imminent, unless corrective action is taken. A facility may be placed on Critical Review whenever, based upon information available to it, the Agency determines that the organic or hydraulic loading of any facility is greater than 80% of the permitted or designed capacity of that facility, as defined in Sections 392.203(a) and (b), and 392.204(b)(1) and (2) of this Title 35.
Ill. Admin. Code tit. 35, § 392.302