Nuclear Regulatory Commission
The U.S. Nuclear Regulatory Commission (NRC) is soliciting public comment on its draft Interim Staff Guidance (ISG), OAR/DARP-ISG- 2026-XX, "Evaluations of Risk Assessments for Risk-Informed Decision- Making for Regulatory Applications." If finalized, this ISG will provide guidance to the staff for reviewing systematic risk assessment methods, including probabilistic risk assessments (PRAs) and other systematic risk evaluations (SREs). This ISG will supplement existing guidance to facilitate the staff's understanding of the uses of risk information in regulatory applications and application of principles of risk-informed decision-making.
Document Headings Document headings vary by document type but may contain the following: the agency or agencies that issued and signed a document the number of the CFR title and the number of each part the document amends, proposes to amend, or is directly related to the agency docket number / agency internal file number the RIN which identifies each regulatory action listed in the Unified Agenda of Federal Regulatory and Deregulatory Actions See the Document Drafting Handbook for more details. Nuclear Regulatory Commission [NRC-2026-3268] AGENCY: Nuclear Regulatory Commission. ACTION: Draft guidance; request for comment. SUMMARY: The U.S. Nuclear Regulatory Commission (NRC) is soliciting public comment on its draft Interim Staff Guidance (ISG), OAR/DARP-ISG-2026-XX, “Evaluations of Risk Assessments for Risk-Informed Decision-Making for Regulatory Applications.” If finalized, this ISG will provide guidance to the staff for reviewing systematic risk assessment methods, including probabilistic risk assessments (PRAs) and other systematic risk evaluations (SREs). This ISG will supplement existing guidance to facilitate the staff's understanding of the uses of risk information in regulatory applications and application of principles of risk-informed decision-making. DATES: Submit comments by September 21, 2026. Comments received after this date will be considered if it is practical to do so, but the Commission is able to ensure consideration only for comments received on or before this date. ADDRESSES: You may submit comments by any of the following methods, however, the NRC encourages electronic comment submission through the Federal rulemaking website. Federal rulemaking website: Go to https://www.regulations.gov and search for Docket ID NRC-2026-3268. Address questions about Docket IDs in Regulations.gov to Bridget Curran; telephone: 301-415-1003; email: Bridget.Curran@nrc.gov . For technical questions, contact the individual(s) listed in the For Further …
Citation: 91 FR 54409
