32 Ill. Adm. Code 337.5020
Record Retention
Section 337.5020 Record Retention
Licensees shall maintain the records that are required in
this Part for the period specified by the appropriate section. If a retention
period is not otherwise specified, these records shall be retained until IEMA terminates
the facility's license pursuant to 32 Ill. Adm. Code 330.325. IEMA may, in
writing, approve or require a shorter or longer retention period, depending on whether
the records are needed to determine compliance.