Owners or operators shall maintain records in accordance with 41 Ill. Adm. Code 176.430 that are capable of demonstrating compliance with removal, abandonment-in-place or change-in-service requirements under all applicable Sections of this Subpart H. The results of the excavation zone or other assessment required in 41 Ill. Adm. Code 176.360 shall be maintained for the time period specified in 41 Ill. Adm. Code 176.330 following completion of a removal, abandonment-in-place or change-in-service in one of the following ways:
Ill. Admin. Code tit. 41, § 175.800