Emergency Response Data System (NUREG-1394, Revision 2)

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Publication Information

Manuscript Completed: July 2022
Date Published: August 2022

Prepared by:
Bezakulu Alemu, NRC Project Manager

Office of Nuclear Security and Incident Response
U.S. Nuclear Regulatory Commission
Washington, DC 20555-0001

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Abstract

During the 1990s, the U.S. Nuclear Regulatory Commission (NRC) implemented the Emergency Response Data System (ERDS) to upgrade its ability to acquire data from nuclear power plants in the event of an emergency at a plant. ERDS provides a direct real-time data transfer from licensee plant computers to the NRC Operations Center and regional incident response centers. The system was designed to be activated by the licensee during an emergency that the licensee classifies at an Alert or higher level. The NRC portion of ERDS receives the data stream and sorts and files the data. The users of ERDS include the NRC Operations Center, the NRC regional incident response centers, and the State agencies of the affected plant, and, if requested, the States located within the 10-mile plume exposure pathway radius of the emergency planning zone of a plant located in another State. The emergency notification system supplements ERDS data.

This document provides guidance for the implementation and continued operation of ERDS at licensee sites.

This guidance document is not a substitute for the regulations, and compliance with it is not required. However, the staff will accept an approach or method different from that explained in this guidance only if the substitute approach or method provides a basis for determining that it meets the above-cited regulatory requirements.