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Welcome to the public database website for information related to NRC staff positions on Probabilistic Risk Assessment (PRA) Standards.  The purpose of this site is to provide a user-friendly format for accessing publicly available NRC staff positions related to PRA standards developed by the American Society of Mechanical Engineers and...

This database is not a regulatory tool and is to be used for knowledge management only. Inclusion of PRA method in this database does not indicate that the method has been determined to be acceptable nor does the exclusion of PRA method indicate that the method is considered unacceptable for...