US·Regulatory Docket·NRC

NRC-2024-0036

Pending

Draft Regulatory Guide: Preparing Probabilistic Fracture Mechanics Submittals

Filed 2026-06-05Last update 2024-02-29

Summary

The U.S. Nuclear Regulatory Commission (NRC) is issuing for public comment a draft Regulatory Guide (DG), DG-1422, "Preparing Probabilistic Fracture Mechanics Submittals." This DG is proposed Revision 1 to Regulatory Guide (RG) 1.245, "Preparing Probabilistic Fracture Mechanics Submittals." DG-1422 describes an approach that is acceptable to the staff of the NRC for performing probabilistic fracture mechanics (PFM) analyses in support of regulatory applications.