32 Ill. Adm. Code 350.1060
Quarterly Inventory
Section 350
Section 350.1060 Quarterly
Inventory
Each licensee or registrant
shall conduct a physical inventory at intervals not to exceed 3 months to
account for all sources of radiation it has received or possesses. The
inventory shall cover all sources of radiation not exempted by Section 350.40
of this Part, including, but not limited to, sealed sources, radiation machines
and radiographic exposure devices containing depleted uranium. The records of
the inventories shall be maintained for 5 years from the date of the inventory
for inspection by the Agency and shall include the manufacturer, model, serial
number, radionuclide and number of gigaBequerels or curies or mass for DU in each
device, if applicable, location of each source of radiation, date of the
inventory and the name of the individual performing the inventory.