[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: 10CFR34.65] [Page 560] 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. 34.65 Records of radiation survey instruments. Each licensee shall maintain records of the calibrations of its radiation survey instruments that are required under Sec. 34.25 and retain each record for 3 years after it is made.