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Inventory of Radioactive Materials

The NRC requires that all licensees maintain records tracking the receipt, use and disposal of radioactive materials. This is done with an inventory maintained in a database at the ORCBS. Shipments of radioactive materials are logged into the database for each principal investigator ordering the material. Additionally, workers using the material, training dates, locations where material is used, monitoring equipment and radioisotope approvals are maintained in the database. Periodically, a printout of information for a project leader will be sent to the laboratory, and information must be updated and corrections made. This information is a legal record subject to inspection by any regulatory agency; efforts must be made to keep records as accurate and complete as possible to prevent NRC violations.

Use logs are required in laboratories for nuclides with half-lives greater than or equal to 120 days and for high risk nuclides. The log should contain records of amounts used, who used them and dates of use for each shipment received. To determine what nuclides are high risk, refer to the Laboratory Classification Tables in the appendix.

Shipment of Radioactive Materials

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