Draft Regulatory Guide: Preparing Probabilistic Fracture Mechanics Submittals

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-2024-0036] AGENCY: Nuclear Regulatory Commission. ACTION: Notice; discontinuation. SUMMARY: The U.S. Nuclear Regulatory Commission (NRC) is discontinuing Draft Regulatory Guide (DG) DG-1422, “Preparing Probabilistic Fracture Mechanics Submittals.” DG-1422 is being discontinued because the proposed guidance does not provide the clarity sought by the NRC staff for preparing regulatory applications using ( printed page 34257) probabilistic fracture mechanics (PFM) as a technical basis. DATES: The discontinuation of DG-1422 takes effect on June 5, 2026. ADDRESSES: Please refer to Docket ID NRC-2024-0036 when contacting the NRC about the availability of information regarding this document. You may obtain publicly available information related to this document using any of the following methods: Federal Rulemaking Website: Go to https://www.regulations.gov and search for Docket ID NRC-2024-0036. 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 INFORMATION CONTACT section of this document. NRC's Agencywide Documents Access and Management System (ADAMS): You may obtain publicly available documents online in the ADAMS Public Documents collection at https://www.nrc.gov/​reading-rm/​adams.html . To begin the search, select “Begin ADAMS Public Search.” For proble…