To maintain proper control of radiation sources and to meet our regulatory requirements it is necessary for a radiation laboratory to keep an inventory of all its radiation sources. This inventory shall include the following information:
- source description
- original activity or radiation emission rate and date
- current activity (date of inventory)
- physical location
- disposition of material and date
Inventory form AU-1 is recommended for recording the above information may be obtained from the Radiation Safety Office.
The following inventories are required:
- an annual inventory to be submitted to the Radiation Safety Officer by all Authorized Users,
- an annual physical inventory of all radiation sources to be conducted by the Radiation Safety Office with assistance from all Authorized Users.
- For purposed of material accountability, Special Nuclear Material inventories are conducted at six month intervals by the Radiation Safety Office and the Reactor Operations group.