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A clean-up crew working to remove radioactive contamination after the Three Mile Island accident. Nuclear safety is defined by the International Atomic Energy Agency (IAEA) as "The achievement of proper operating conditions, prevention of accidents or mitigation of accident consequences, resulting in protection of workers, the public and the environment from undue radiation hazards".
An important concern in the nuclear safety field is the aging of nuclear reactors. Quality Assurance Technicians, weld inspectors and radiographers use ultrasonic waves to look for cracks and other defects in hot metal parts, in order to identify "microscale" defects that lead to big cracks. [14]
A reactor protection system is designed to immediately terminate the nuclear reaction. By breaking the nuclear chain reaction, the source of heat is eliminated. Other systems can then be used to remove decay heat from the core. All nuclear plants have some form of reactor protection system.
Behavior of nuclear fuel during a reactor accident; Nuclear Information and Resource Service; Nuclear Installations Inspectorate; Nuclear island basemat; Nuclear law; Nuclear licensing; Nuclear risk during the Russian invasion of Ukraine; Nuclear safety in the United States; Nuclear Safety, Research, Demonstration, and Development Act of 1980
The United States Nuclear Regulatory Commission (NRC) is an independent agency of the United States government tasked with protecting public health and safety related to nuclear energy. Established by the Energy Reorganization Act of 1974 , the NRC began operations on January 19, 1975, as one of two successor agencies to the United States ...
Democratic lawmakers also said the layoffs include workers at national labs and hydroelectric plants, and Cold War legacy nuclear sites that pose safety risks. The DOE has about 14,000 federal ...
Nuclear criticality safety is a field of nuclear engineering dedicated to the prevention of nuclear and radiation accidents resulting from an inadvertent, self-sustaining nuclear chain reaction. [1] Nuclear criticality safety is concerned with mitigating the consequences of a nuclear criticality accident.
The Defense Nuclear Facilities Safety Board is an independent agency of the United States government based in Washington, D.C. Established in 1988, the DNFSB oversees the nuclear weapons complex administered by the U.S. Department of Energy.