The methods used to establish safe operating limits for reactor cores were developed about 10 years ago. At present, safety margins are reviewed utilizing previous staff judgments based on individual plant reviews. A uniform staff position needs to be developed for application to core performance reviews of new plant and to reloads and core modifications of operating plants. This item is documented in NUREG-0471.[1]
This item is a Licensing Issue that has been dropped from further consideration.[2]
Page Last Reviewed/Updated 07/10/2025