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Alert

Due to a lapse in appropriations, the NRC has ceased normal operations. However, excepted and exempted activities necessary to maintain critical health and safety functions—as well as essential progress on designated critical activities, including those specified in Executive Order 14300—will continue, consistent with the OMB-Approved NRC Lapse Plan.

RPV Upper Head Issues

Since discovery of reactor pressure vessel (RPV) head degradation in Davis-Besse Nuclear Power Station, the NRC has been evaluating the structural integrity of RPV heads at all pressurized water reactors.

Page Last Reviewed/Updated Thursday, August 27, 2020

Page Last Reviewed/Updated Thursday, August 27, 2020