Owners and operators of sources which are subject to the monitoring and recording requirements of this Subpart shall maintain files of emission information at the facility and make the information available to the Agency upon request. This information shall be retained for at least two years from the date of collection, and shall include:
Ill. Admin. Code tit. 35, § 201.407
Added at 13 Ill. Reg. 2066, effective February 3, 1989