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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.

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Federal Emergency Management Agency (FEMA)

Federal Emergency Management Agency (FEMA) … A component of the U.S. Department of Homeland Security responsible for protecting the Nation and reducing the loss of life and property from all hazards such as natural disasters and acts of terrorism. FEMA …

Total Effective Dose Equivalent (TEDE)

Total Effective Dose Equivalent (TEDE) … The sum of the effective dose equivalent (for external exposures) and the committed effective dose equivalent (for internal exposures). … Total Effective Dose Equivalent …

Sensitive unclassified nonsafeguards information (SUNSI)

Sensitive unclassified nonsafeguards information (SUNSI) … Information that is generally not publicly available and that encompasses a wide variety of categories, such as proprietary information, personal and private information, or information subject to …

Unwanted Radioactive Material (Orphan Sources)

Unwanted Radioactive Material (Orphan Sources) … refers to sealed sources of radioactive material contained in a small volume (but not radioactively contaminated soils and bulk metals) in any one or more of the following conditions (taken from the NRC …

National Source Tracking System (NSTS)

National Source Tracking System (NSTS) … A secure, Web-based data system that helps the NRC and its Agreement States track and regulate the medical, industrial, and academic uses of certain nuclear materials, from the time they are manufactured or …

Nonpower reactor (research and test reactor)

Nonpower reactor (research and test reactor) … A nuclear reactor that is used for research, training, or development purposes (which may include producing radioisotopes for medical and industrial uses) but has no role in producing electrical power. These …

International Nuclear Regulators Association (INRA)

International Nuclear Regulators Association (INRA) … An association established in 1997 to give national nuclear regulators with mature civilian nuclear reactor and materials programs a forum to discuss nuclear safety and security issues of mutual …

International Atomic Energy Agency (IAEA)

International Atomic Energy Agency (IAEA) … A United Nations agency established in 1957 to serve as a world center of cooperation in the nuclear field. The agency works with nearly 171 member States and multiple partners worldwide to promote safe, secure, …

Low-level radioactive waste (LLW)

Low-level radioactive waste (LLW) … A general term for a wide range of waste that is contaminated with radioactive material or has become radioactive through exposure to neutron radiation. A variety of industries, hospitals and medical institutions, …