32 Ill. Adm. Code 350.1030
Storage Precautions
Section 350
Section 350.1030 Storage
Precautions
Locked radiographic exposure
devices, source changers, storage containers, transport containers that contain
sealed sources and radiation machines shall be secured to prevent tampering or
removal by unauthorized personnel. The licensee shall store radioactive
material in a manner that will minimize danger from explosion or fire.