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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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Energy Information Administration (EIA)

Energy Information Administration (EIA) … The agency, within the U.S. Department of Energy, that provides policy-neutral statistical data, forecasts, and analyses to promote sound policymaking, efficient markets, and public understanding regarding energy …

Early site permit (ESP)

Early site permit (ESP) … A permit granted by the NRC to approve one or more proposed sites for a nuclear power facility, independent of a specific nuclear plant design or an application for a construction permit or combined license. An ESP is valid for …

British thermal unit (Btu)

British thermal unit (Btu) … The amount of heat required to change the temperature of one pound of water one degree Fahrenheit at sea level. … British thermal unit …

Boiling-water reactor (BWR)

Boiling-water reactor (BWR) … A nuclear reactor in which water is boiled using heat released from fission. The steam released by boiling then drives turbines and generators to produce electrical power. BWRs operate similarly to electrical plants using …

Commercial sector (energy users)

Commercial sector (energy users) … Generally, nonmanufacturing business establishments, including hotels, motels, and restaurants; wholesalers and retail stores; and health, social, and educational institutions. However, utilities may categorize …

Alkali silica reaction (ASR)

Alkali silica reaction (ASR) … ASR is a chemical combining of reactive silica from the concrete aggregate with the alkali from the cement paste in the presence of moisture. The result of the reaction is a gel, which can expand and may cause micro-cracks …

Full-time equivalent (FTE)

Full-time equivalent (FTE) … A human resources measurement equal to one staff person working full-time for one year. … Full-time equivalent …

Heavy water moderated reactor

Heavy water moderated reactor … A reactor that uses heavy water as its moderator. Heavy water is an excellent moderator and thus permits the use of unenriched uranium as a fuel. … Heavy water moderated …

Parts per million (ppm)

Parts per million (ppm) … Parts (molecules) of a substance contained in a million parts of another substance (e.g., water). … Parts per million …

Safety Conscious Work Environment

Safety Conscious Work Environment … A working environment in which employees are encouraged to report safety concerns without fear of criticism or retaliation from their supervisors because they raised the issue. … Safety Conscious Work …