Ill. Admin. Code tit. 35, § 391.203
c) Sludge generators with sludge utilization permits from the Agency may sell or give away quantities of liquid or dried sludge in excess of one equivalent semi-trailer truck load, (approximately 25 cubic yards) per year to a sludge user provided the sludge user completes and signs an information sheet. As a minimum, the information sheet must contain the items outlined in APPENDIX G, H or I of this Part. These signed sheets are to be retained by the sludge generator (with a copy to the user) for inspection throughout the duration of their permit and for two years following the expiration date of the permit. Sludge records shall include:
e) Sludge generators and users that receive permits must monitor their sludge quality, provide soil and groundwater analyses and (when required) report to the Agency as specified in Sections 391.430, 391.440 and 391.501 or in the permit issued by the Agency. Sludge users that receive permits shall submit monthly reports to the Agency which shall include the following minimal information: