[Code of Federal Regulations] [Title 10, Volume 1] [Revised as of January 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 10CFR34.46] [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 D--Radiation Safety Requirements Sec. 34.46 Supervision of radiographers' assistants. Whenever a radiographer's assistant uses radiographic exposure devices, associated equipment or sealed sources or conducts radiation surveys required by Sec. 34.49(b) to determine that the sealed source has returned to the shielded position after an exposure, the assistant shall be under the personal supervision of a radiographer. The personal supervision must include: (a) The radiographer's physical presence at the site where the sealed sources are being used; (b) The availability of the radiographer to give immediate assistance if required; and (c) The radiographer's direct observation of the assistant's performance of the operations referred to in this section.