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Alert

The NRC is shutdown due to the lapse in appropriations. Exempted activities to maintain critical health and safety activities and progress on critical activities, including activities outlined in Executive Order 14300, as described in the OMB Approved NRC Lapse Plan will continue.

Site Map: Nuclear Materials

This page shows how the U.S. Nuclear Regulatory Commission (NRC) has organized the materials-related information available through our public Web site. These links will take you directly to the indicated pages on our site.

Page Last Reviewed/Updated Thursday, July 24, 2025

Page Last Reviewed/Updated Thursday, July 24, 2025