Document: NRC Regulatory Guide
Document ID: 81395c8e-49df-441c-b98a-8ae655d174db
Document Type: regulatory_guide
Title: Emergency Planning and Preparedness for Nuclear Power Reactors (Rev. 7)
Source: NRC Regulatory Guide Division 1
Source URL: https://www.nrc.gov/docs/ML2401/ML24019A202.pdf
Revision Date: 2025-03
Chapter: 
Section ID: RG-1.101
CFR Part: 
CFR Title: 

Content:
esponse planning and preparedness. This revision updates the list of NRC-developed and NRC-endorsed guidance documents acceptable to meet the regulatory requirements of Title 10 of the Code of Federal Regulations (10 CFR) section 50.47, “Emergency plans” (Ref. 1), and Appendix E, “Emergency Planning and Preparedness for Production and Utilization Facilities” (Ref. 2), to 10 CFR Part 50, “Domestic Licensing of Production and Utilization Facilities” (Ref. 3). This revision also provides generic guidance for maintaining regulatory compliance for alert and notification systems (ANS) when making significant design changes, as well as provides guidance on a method acceptable to justify a 24-month frequency for 10 CFR 50.54(t) reviews. Applicability This RG applies to all holders of, or applicants for, a power reactor operating license or construction permit under 10 CFR Part 50 except those that have certified that they have permanently ceased operations and have permanently removed all fuel from the reactor vessel, as well as all holders of, or applicants for, a power reactor early site permit or a combined license under 10 CFR Part 52, “Licenses, Certifications, and Approvals for Nuclear Power Plants” (Ref. 4). This RG is for light water reactors, including those of an advanced design (e.g., AP1000 design). Applicable Regulations • 10 CFR Part 50 provides regulations for licensing production and utilization facilities. o 10 CFR 50.47(a)(1)(i) provides, in part, that “no initial operating license for a nuclear power reactor will be issued unless a finding is made by the NRC that there is reasonable assurance DG-1423, Page 2 that adequate protective measures can and will be taken in the event of a radiological emergency.” o 10 CFR 50.47(b) provides 16 planning standards that licensees and applicants must meet for the NRC to make a finding of reasonable assurance. o 10 CFR 50.47(b)(4) requires that onsite and offsite emergency response plans contain a