Nuclear Regulatory Commission July 2, 2015 – Federal Register Recent Federal Regulation Documents

The U.S. Nuclear Regulatory Commission (NRC) is issuing for public comment draft regulatory guide (DG), DG-1323, ``Comprehensive Vibration Assessment Program for Reactor Internals During Preoperational and Startup Testing.'' This guide describes methods and procedures that the staff of the NRC considers acceptable when a developing a comprehensive vibration assessment program (CVAP) for power reactor internals during preoperational and startup testing.