[Code of Federal Regulations] [Title 10, Volume 1] [Revised as of January 1, 2005] From the U.S. Government Printing Office via GPO Access [CITE: 10CFR34.63] [Page 558] TITLE 10--ENERGY CHAPTER I--NUCLEAR REGULATORY COMMISSION PART 34_LICENSES FOR INDUSTRIAL RADIOGRAPHY AND RADIATION SAFETY REQUIREMENTS FOR INDUSTRIAL RADIOGRAPHIC OPERATIONS--Table of Contents Subpart E_Recordkeeping Requirements Sec. 34.63 Records of receipt and transfer of sealed sources. (a) Each licensee shall maintain records showing the receipts and transfers of sealed sources and devices using DU for shielding and retain each record for 3 years after it is made. (b) These records must include the date, the name of the individual making the record, radionuclide, number of becquerels (curies) or mass (for DU), and manufacturer, model, and serial number of each sealed source and/or device, as appropriate.