
Draft Regulatory Guide: Comprehensive Risk Metrics and Associated Risk Performance Objectives for Commercial Nuclear Plants
Published 2026.08.20Deadline 2026.09.2112
Nuclear Regulatory Commission
This page provides the official government form from the Nuclear Regulatory Commission. The summary below is quoted from the agency source.
The U.S. Nuclear Regulatory Commission (NRC) is issuing for public comment a draft Regulatory Guide (DG), 1443, proposed Regulatory Guide (RG) 1.263, Revision 0, "Comprehensive Risk Metrics and Associated Risk Performance Objectives for Commercial Nuclear Plants." This DG describes approaches that are acceptable to the staff of the NRC for developing comprehensive risk metrics (CRMs) and associated risk performance objectives (RPOs).
Source: Federal Register — Nuclear Regulatory Commission. Official form page · Official PDF. Quoted material remains the agency’s; this firm page is a reference only.
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