{"abstract":"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).","action":"Draft guide; request for comment.","agencies":[{"raw_name":"NUCLEAR REGULATORY COMMISSION","name":"Nuclear Regulatory Commission","id":383,"url":"https://www.federalregister.gov/agencies/nuclear-regulatory-commission","json_url":"https://www.federalregister.gov/api/v1/agencies/383","parent_id":null,"slug":"nuclear-regulatory-commission"}],"body_html_url":"https://www.federalregister.gov/documents/full_text/html/2026/08/20/2026-17030.html","cfr_references":[],"citation":"91 FR 53901","comment_url":null,"comments_close_on":"2026-09-21","correction_of":null,"corrections":[],"dates":"Submit comments by September 21, 2026. Comments received after this date will be considered if it is practical to do so, but the NRC is able to ensure consideration only for comments received on or before this date.","disposition_notes":null,"docket_ids":["NRC-2026-3301"],"dockets":[{"supporting_documents":[],"agency_name":"NRC","documents":[{"comment_count":6,"comment_start_date":"2026-08-20","updated_at":"2026-09-22T01:56:28.823-04:00","comment_url":"https://www.regulations.gov/commenton/NRC-2026-3301-0001","allow_late_comments":false,"id":"NRC-2026-3301-0001","comment_end_date":"2026-09-22","regulations_dot_gov_open_for_comment":false}],"supporting_documents_count":0,"id":"NRC-2026-3301","title":"Draft Regulatory Guide (DG) 1443, Regulatory Guide (RG) 1.263, Revision 0, Comprehensive Risk Metrics and Associated Risk Performance Objectives for Commercial Nuclear Plants"}],"document_number":"2026-17030","effective_on":null,"end_page":53902,"executive_order_notes":null,"executive_order_number":null,"full_text_xml_url":"https://www.federalregister.gov/documents/full_text/xml/2026/08/20/2026-17030.xml","html_url":"https://www.federalregister.gov/documents/2026/08/20/2026-17030/draft-regulatory-guide-comprehensive-risk-metrics-and-associated-risk-performance-objectives-for","images":{},"images_metadata":{},"json_url":"https://www.federalregister.gov/api/v1/documents/2026-17030?publication_date=2026-08-20","mods_url":"https://www.govinfo.gov/metadata/granule/FR-2026-08-20/2026-17030/mods.xml","not_received_for_publication":null,"page_length":2,"page_views":{"count":326,"last_updated":"2026-10-23 12:15:06 -0400"},"pdf_url":"https://www.govinfo.gov/content/pkg/FR-2026-08-20/pdf/2026-17030.pdf","presidential_document_number":null,"proclamation_number":null,"public_inspection_pdf_url":"https://public-inspection.federalregister.gov/2026-17030.pdf?1787143527","publication_date":"2026-08-20","raw_text_url":"https://www.federalregister.gov/documents/full_text/text/2026/08/20/2026-17030.txt","regulation_id_number_info":{},"regulation_id_numbers":[],"regulations_dot_gov_info":{"supporting_documents":[],"comments_count":6,"agency_id":"NRC","comments_url":"https://www.regulations.gov/docketBrowser?rpp=50&so=DESC&sb=postedDate&po=0&dct=PS&D=NRC-2026-3301","supporting_documents_count":0,"docket_id":"NRC-2026-3301","document_id":"NRC-2026-3301-0001","regulation_id_number":null,"title":"Draft Regulatory Guide (DG) 1443, Regulatory Guide (RG) 1.263, Revision 0, Comprehensive Risk Metrics and Associated Risk Performance Objectives for Commercial Nuclear Plants","checked_regulationsdotgov_at":"2026-09-23T08:55:10Z"},"regulations_dot_gov_url":null,"significant":null,"signing_date":null,"start_page":53901,"subtype":null,"title":"Draft Regulatory Guide: Comprehensive Risk Metrics and Associated Risk Performance Objectives for Commercial Nuclear Plants","toc_doc":"Comprehensive Risk Metrics and Associated Risk Performance Objectives for Commercial Nuclear Plants","toc_subject":"Draft Regulatory Guide","topics":[],"type":"Notice","volume":91}