Nuclear Regulatory Commission December 22, 2021 – Federal Register Recent Federal Regulation Documents
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Quality Group Classifications and Standards for Water-, Steam-, and Radioactive-Waste-Containing Components of Nuclear Power Plants
The U.S. Nuclear Regulatory Commission (NRC) is issuing Revision 6 to Regulatory Guide (RG), 1.26 ``Quality Group Classifications and Standards for Water-, Steam-, and Radioactive- Waste-Containing Components of Nuclear Power Plants.'' Revision 6 to RG 1.26 incorporates additional information that provides guidance for alternative quality classification systems for components in light- water reactor (LWR) nuclear power plants and updates the staff position regarding classification of Quality Group C components to reflect the latest guidance on systems that contain radioactive material since Revision 5 (02/2017), of RG 1.26 was issued. The appendices to this revised RG provide guidance for alternative quality classification systems for components in LWR nuclear power plants.
Evaluating the Habitability of a Nuclear Power Plant Control Room During a Postulated Hazardous Chemical Release
The U.S. Nuclear Regulatory Commission (NRC) is issuing Revision 2 to Regulatory Guide (RG), 1.78, ``Evaluating the Habitability of a Nuclear Power Plant Control Room during a Postulated Hazardous Chemical Release.'' The revision of RG 1.78 describes an approach that is acceptable to the NRC staff to meet regulatory requirements for evaluating the habitability of a nuclear power plant control room during a postulated hazardous chemical release. Releases of hazardous chemicals, onsite and off-site, can result in the nearby control room becoming uninhabitable.
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