Ill. Admin. Code tit. 35, § 310.635
a) Requirement for Notification
1) The industrial user must notify the POTW; the Director, Waste Management Division, USEPA Region 5, 230 South Dearborn Street, Chicago, Illinois 60604; and the Manager, Division of Land Pollution Control, Illinois Environmental Protection Agency, 2520 West Iles Avenue, PO Box 19276, Springfield, Illinois 62794-9276, in writing of any discharge into the POTW of a substance, which, if otherwise disposed of, would be a hazardous waste under 35 Ill. Adm. Code 721. Such notification must include the name of the hazardous waste as set forth in 35 Ill. Adm. Code 721, the USEPA hazardous waste number, and the type of discharge (continuous, batch, or other). If the industrial user discharges more than 100 kilograms of such waste per calendar month to the POTW, the notification must also contain the following information to the extent such information is known and readily available to the industrial user:
b) Exemption to Reporting Requirement. An industrial user is exempt from the requirements of subsection (a)(1) during a calendar month in which the industrial user discharges no more than 15 kilograms of hazardous wastes, unless the wastes are acute hazardous wastes specified in 35 Ill. Adm. Code 721.130(d) and 721.133(e). Discharge of more than 15 kilograms of non-acute hazardous wastes in a calendar month, or of any quantity of acute hazardous wastes, as specified in 35 Ill. Adm. Code 721.130(d) and 721.133(e), requires a one-time notification. Subsequent months during which the industrial user discharges more than such quantities of any hazardous waste do not require additional notification.
d) Required Certification. In the case of any notification made under this Section, the industrial user must certify that it has a program in place to reduce the volume and toxicity of hazardous wastes generated to the degree it has determined to be economically practical.
BOARD NOTE: Derived from 40 CFR 403.12(p) (2003).
(Source: Amended at 49 Ill. Reg. 12682, effective September 23, 2025)