Final rule · 2025-18633

Regulatory Guide: Emergency Response Planning and Preparedness for Nuclear Power Reactors

The U.S. Nuclear Regulatory Commission (NRC) is issuing Revision 7 to Regulatory Guide (RG) RG-1.101, "Emergency Response Planning and Preparedness for Nuclear Power Reactors." This revision updates the list of NRC-developed and NRC-endorsed guidance documents acceptable to meet the regulatory requirements for emergency response planning and preparedness. 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 to justify a 24-month frequency for emergency plan reviews.