35 Ill. Adm. Code 734.130
Licensed Professional Engineer or Licensed Professional Geologist Supervision
Section 734.130 Licensed Professional Engineer or
Licensed Professional Geologist Supervision
All investigations, plans, budgets, and reports conducted or
prepared under this Part, excluding Corrective Action Completion Reports
submitted pursuant to Section 734.345 of this Part, must be conducted or
prepared under the supervision of a Licensed Professional Engineer or Licensed
Professional Geologist. Corrective Action Completion Reports submitted
pursuant to Section 734.345 of this Part must be prepared under the supervision
of a Licensed Professional Engineer.