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Nuclear decommissioning, the Glossary

Nuclear decommissioning is the process leading to the irreversible complete or partial closure of a nuclear facility, usually a nuclear reactor, with the ultimate aim at termination of the operating licence.^[1]

211 relations: Électricité de France, Barents Sea, Barsebäck Nuclear Power Plant, BBC Online, Berkeley nuclear power station, Bohunice Nuclear Power Plant, Boiling water reactor, Bradwell nuclear power station, Breeder reactor, Brennilis Nuclear Power Plant, Bugey Nuclear Power Plant, Burgos, Cadarache, Caesium, Caesium-137, CANDU reactor, Caorso Nuclear Power Plant, Caserta, Chapelcross nuclear power station, Chelyabinsk, Chernobyl disaster, Chernobyl New Safe Confinement, Chernobyl Nuclear Power Plant, Chernobyl Nuclear Power Plant sarcophagus, China Institute of Atomic Energy, Chinon Nuclear Power Plant, Chooz Nuclear Power Plant, Cobalt-60, Colorado, Connecticut, Connecticut Yankee Nuclear Power Plant, Coolant, COVRA, Creys-Mépieu, Crystal River Nuclear Plant, Decommissioning of Russian nuclear-powered vessels, Decontamination, Deep geological repository, Dodewaard nuclear power plant, Dorset, Dounreay, Dresden Generating Station, Dry cask storage, East Germany, Enriched uranium, Enrico Fermi Nuclear Power Plant (Italy), Environmental impact assessment, Euratom, Euratom Treaty, European Commission, ... Expand index (161 more) »
Former nuclear power stations
Nuclear liability
Nuclear power stations
Radioactive contamination

Électricité de France

Électricité de France SA (literally Electricity of France), commonly known as EDF, is a French multinational electric utility company owned by the government of France.

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Barents Sea

The Barents Sea (also; Barentshavet,; Barentsevo More) is a marginal sea of the Arctic Ocean, located off the northern coasts of Norway and Russia and divided between Norwegian and Russian territorial waters.

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Barsebäck Nuclear Power Plant

Barsebäck is a boiling water nuclear power plant currently undergoing the process of nuclear decommissioning. Nuclear decommissioning and Barsebäck Nuclear Power Plant are former nuclear power stations.

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BBC Online

BBC Online, formerly known as BBCi, is the BBC's online service.

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Berkeley nuclear power station

Berkeley nuclear power station is a former Magnox nuclear power station situated on the bank of the River Severn in Gloucestershire, England.

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Bohunice Nuclear Power Plant

The Jaslovské Bohunice Nuclear Power Plant (NPP) (Atómové elektrárne Jaslovské Bohunice, abbr. EBO) is a complex of nuclear reactors situated 2.5 km from the village of Jaslovské Bohunice in the Trnava District in western Slovakia.

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Boiling water reactor

A boiling water reactor (BWR) is a type of light water nuclear reactor used for the generation of electrical power.

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Bradwell nuclear power station

Bradwell nuclear power station is a Magnox-design nuclear power station that is undergoing decommissioning.

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Breeder reactor

A breeder reactor is a nuclear reactor that generates more fissile material than it consumes.

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Brennilis Nuclear Power Plant

The Brennilis Nuclear Power Plant (EL-4) is a decommissioned site located in the Monts d'Arrée in the commune of Brennilis in Finistère, France.

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Bugey Nuclear Power Plant

The Bugey Nuclear Power Plant is located in Bugey in the Saint-Vulbas commune (Ain), about 75 km from the Swiss border.

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Burgos

Burgos is a city in Spain located in the autonomous community of Castile and León.

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Cadarache

Cadarache is the largest technological research and development centre for energy in Europe.

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Caesium

Caesium (IUPAC spelling; cesium in American English) is a chemical element; it has symbol Cs and atomic number 55.

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Caesium-137

Caesium-137, cesium-137 (US), or radiocaesium, is a radioactive isotope of caesium that is formed as one of the more common fission products by the nuclear fission of uranium-235 and other fissionable isotopes in nuclear reactors and nuclear weapons. Nuclear decommissioning and caesium-137 are radioactive contamination.

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CANDU reactor

The CANDU (Canada Deuterium Uranium) is a Canadian pressurized heavy-water reactor design used to generate electric power.

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Caorso Nuclear Power Plant

Caorso Nuclear Power Plant was a nuclear power plant at Caorso in Italy.

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Caserta

Caserta is the capital of the province of Caserta in the Campania region of Italy.

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Chapelcross nuclear power station

Chapelcross nuclear power station is a former Magnox nuclear power station undergoing decommissioning.

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Chelyabinsk

Chelyabinsk is the administrative center and largest city of Chelyabinsk Oblast, Russia.

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Chernobyl disaster

The Chernobyl disaster began on 26 April 1986 with the explosion of the No. 4 reactor of the Chernobyl Nuclear Power Plant near the city of Pripyat in the north of the Ukrainian SSR, close to the border with the Byelorussian SSR, in the Soviet Union.

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Chernobyl New Safe Confinement

The New Safe Confinement (NSC or New Shelter) is a structure put in place in 2016 to confine the remains of the number 4 reactor unit at the Chernobyl Nuclear Power Plant, in Ukraine, which was destroyed during the Chernobyl disaster in 1986.

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Chernobyl Nuclear Power Plant

The Chernobyl Nuclear Power Plant (ChNPP) is a nuclear power plant undergoing decommissioning.

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Chernobyl Nuclear Power Plant sarcophagus

The Chernobyl Nuclear Power Plant sarcophagus or Shelter Structure (Об'єкт "Укриття") is a massive steel and concrete structure covering the nuclear reactor number 4 building of the Chernobyl Nuclear Power Plant.

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China Institute of Atomic Energy

The China Institute of Atomic Energy or CIAE, formerly the Institute of Atomic Energy of the Chinese Academy of Sciences, is the main research institute of the China National Nuclear Corporation (CNNC).

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Chinon Nuclear Power Plant

The Chinon Nuclear Power Plant (Centrale nucléaire de Chinon) is near the town of Avoine in the Indre et Loire département, on the river Loire (approximately 10 km from the town of Chinon) in central France.

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Chooz Nuclear Power Plant

The Chooz Nuclear Power Station (Centrale nucléaire de Chooz) lies in the municipality of Chooz in the Ardennes department, France, on the Meuse River in a panhandle protruding into Belgium, between the French city of Charleville-Mézières and the Belgian municipality of Dinant, near the comune of Givet.

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Cobalt-60

Cobalt-60 (Co) is a synthetic radioactive isotope of cobalt with a half-life of 5.2714 years. Nuclear decommissioning and cobalt-60 are radioactive contamination.

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Colorado

Colorado (other variants) is a landlocked state in the Mountain West subregion of the Western United States.

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Connecticut

Connecticut is the southernmost state in the New England region of the Northeastern United States.

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Connecticut Yankee Nuclear Power Plant

Connecticut Yankee Nuclear Power Plant (CY) was a nuclear power plant located in Haddam Neck, Connecticut.

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Coolant

A coolant is a substance, typically liquid, that is used to reduce or regulate the temperature of a system.

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COVRA

COVRA (Centrale Organisatie Voor Radioactief Afval) is the only Dutch nuclear waste processing and storage company.

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Creys-Mépieu

Creys-Mépieu is a commune in the Isère department in southeastern France.

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Crystal River Nuclear Plant

The Crystal River Nuclear Plant also called the Crystal River 3 Nuclear Power Plant, or simply CR-3, is a closed nuclear power plant located in Crystal River, Florida.

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Decommissioning of Russian nuclear-powered vessels

The decommissioning of Russian nuclear-powered vessels is an issue of major concern to the United States and to Scandinavian countries near Russia.

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Decontamination

Decontamination (sometimes abbreviated as decon, dcon, or decontam) is the process of removing contaminants on an object or area, including chemicals, micro-organisms or radioactive substances.

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Deep geological repository

A deep geological repository is a way of storing hazardous or radioactive waste within a stable geologic environment, typically 200–1,000 m below the surface of the earth. Nuclear decommissioning and deep geological repository are radioactive waste.

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Dodewaard nuclear power plant

Dodewaard nuclear power plant was a nuclear power plant with a 55 MWe boiling water reactor (BWR) of General Electric in the Dutch town of Dodewaard.

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Dorset

Dorset (archaically: Dorsetshire) is a ceremonial county in South West England.

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Dounreay

Dounreay (Dùnrath) is a small settlement and the site of two large nuclear establishments on the north coast of Caithness in the Highland area of Scotland.

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Dresden Generating Station

Dresden Generating Station (also known as Dresden Nuclear Power Plant or Dresden Nuclear Power Station) is the first privately financed nuclear power plant built in the United States.

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Dry cask storage

Dry cask storage is a method of storing high-level radioactive waste, such as spent nuclear fuel that has already been cooled in a spent fuel pool for at least one year and often as much as ten years. Nuclear decommissioning and Dry cask storage are radioactive waste.

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East Germany

East Germany (Ostdeutschland), officially known as the German Democratic Republic (GDR; Deutsche Demokratische Republik,, DDR), was a country in Central Europe from its formation on 7 October 1949 until its reunification with West Germany on 3 October 1990.

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Enriched uranium

Enriched uranium is a type of uranium in which the percent composition of uranium-235 (written 235U) has been increased through the process of isotope separation.

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Enrico Fermi Nuclear Power Plant (Italy)

Enrico Fermi Nuclear Power Plant was a nuclear power plant at Trino (often referred to as ‘Trino Vercellese’, meaning ‘Trino in the Province of Vercelli’), in north-west Italy.

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Environmental impact assessment

Environmental impact assessment (EIA) is the assessment of the environmental consequences of a plan, policy, program, or actual projects prior to the decision to move forward with the proposed action.

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Euratom

The European Atomic Energy Community (EAEC or Euratom) is an international organisation established by the Euratom Treaty on 25 March 1957 with the original purpose of creating a specialist market for nuclear power in Europe, by developing nuclear energy and distributing it to its member states while selling the surplus to non-member states.

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Euratom Treaty

The Euratom Treaty, officially the Treaty establishing the European Atomic Energy Community, established the European Atomic Energy Community.

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European Commission

The European Commission (EC) is the primary executive arm of the European Union (EU).

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Experimental Breeder Reactor II

Experimental Breeder Reactor-II (EBR-II) was a sodium-cooled fast reactor designed, built and operated by Argonne National Laboratory at the National Reactor Testing Station in Idaho.

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Fast-neutron reactor

A fast-neutron reactor (FNR) or fast-spectrum reactor or simply a fast reactor is a category of nuclear reactor in which the fission chain reaction is sustained by fast neutrons (carrying energies above 1 MeV, on average), as opposed to slow thermal neutrons used in thermal-neutron reactors.

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Florida

Florida is a state in the Southeastern region of the United States.

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Fort Saint Vrain Nuclear Power Plant

The Fort St.

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Fugen Nuclear Power Plant

Fugen was a prototype Japanese nuclear test reactor.

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Fukushima Daiichi Nuclear Power Plant

The is a disabled nuclear power plant located on a site in the towns of Ōkuma and Futaba in Fukushima Prefecture, Japan.

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Fukushima Daini Nuclear Power Plant

The is a nuclear power plant located on a site in the town of Naraha and Tomioka in the Futaba District of Fukushima Prefecture, Japan.

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Garigliano Nuclear Power Plant

Garigliano Nuclear Power Plant was a nuclear power plant located at Sessa Aurunca (Campania), in southern Italy.

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Gas-cooled reactor

A gas-cooled reactor (GCR) is a nuclear reactor that uses graphite as a neutron moderator and a gas (carbon dioxide or helium in extant designs) as coolant.

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General Electric

General Electric Company (GE) was an American multinational conglomerate founded in 1892, incorporated in the state of New York and headquartered in Boston.

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Gentilly Nuclear Generating Station

Gentilly Nuclear Generating Station (Centrale nucléaire de Gentilly in French) is a former nuclear power station located on the south shore of the St. Lawrence River in Bécancour, Quebec, 100 km north east of Montreal.

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Graphite

Graphite is a crystalline form of the element carbon.

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Greenfield status

Greenfield status (also known as "unrestricted re-use") is an end point wherein a parcel of land that had been in industrial use is, in principle, restored to the conditions existing before the construction of the plant.

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Greifswald Nuclear Power Plant

Greifswald nuclear power station (German: Kernkraftwerk Greifswald, KKW Greifswald), also known as Lubmin nuclear power station, was the largest nuclear power station in East Germany before closure shortly after the German reunification.

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Grout

Grout is a dense fluid that hardens used to fill gaps or as reinforcement in existing structures.

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Gundremmingen Nuclear Power Plant

The Gundremmingen Nuclear Power Plant was a nuclear power station in Germany.

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Hallam Nuclear Power Facility

The Hallam Nuclear Power Facility (HNPF) in Nebraska was a 75 MWe sodium-cooled graphite-moderated nuclear power plant built by Atomics International and operated by Consumers Public Power District of Nebraska.

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Hanford Site

The Hanford Site is a decommissioned nuclear production complex operated by the United States federal government on the Columbia River in Benton County in the U.S. state of Washington.

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Heavy water

Heavy water (deuterium oxide) is a form of water whose hydrogen atoms are all deuterium (or D, also known as heavy hydrogen) rather than the common hydrogen-1 isotope (also called protium) that makes up most of the hydrogen in normal water.

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Helium

Helium (from lit) is a chemical element; it has symbol He and atomic number 2.

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High-temperature gas-cooled reactor

A high-temperature gas-cooled reactor (HTGR) is a type of gas-cooled nuclear reactor which use uranium fuel and graphite moderation to produce very high reactor core output temperatures.

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Humboldt Bay Nuclear Power Plant

The Humboldt Bay Power Plant, Unit 3 was a 63 MWe nuclear boiling water reactor, owned by Pacific Gas and Electric Company that operated from August 1963 to July 1976 just south of Eureka, California.

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Illinois

Illinois is a state in the Midwestern region of the United States.

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International Atomic Energy Agency

The International Atomic Energy Agency (IAEA) is an intergovernmental organization that seeks to promote the peaceful use of nuclear energy and to inhibit its use for any military purpose, including nuclear weapons.

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International Nuclear Event Scale

The International Nuclear and Radiological Event Scale (INES) was introduced in 1990 by the International Atomic Energy Agency (IAEA) in order to enable prompt communication of safety significant information in case of nuclear accidents.

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Isotope

Isotopes are distinct nuclear species (or nuclides) of the same chemical element.

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Japanese yen

The is the official currency of Japan.

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José Cabrera Nuclear Power Station

The José Cabrera Nuclear Power Station (also known as Zorita) was a nuclear power station in Almonacid de Zorita, east of Madrid, Spain.

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Kozloduy Nuclear Power Plant

The Kozloduy Nuclear Power Plant is a nuclear power plant in Bulgaria situated north of Sofia and east of Kozloduy, a town on the Danube river, near the border with Romania.

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KPMG

KPMG International Limited (or simply KPMG) is a multinational professional services network, and one of the Big Four accounting organizations, along with Ernst & Young (EY), Deloitte, and PwC.

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Kyiv

Kyiv (also Kiev) is the capital and most populous city of Ukraine.

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Latina Nuclear Power Plant

Latina Nuclear Power Plant is a former nuclear power plant at Latina, Lazio, Italy.

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Latina, Lazio

Latina is the capital of the province of Latina, in the Lazio region, in Central Italy.

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Life expectancy

Human life expectancy is a statistical measure of the estimate of the average remaining years of life at a given age.

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List of commercial nuclear reactors

This is a list of all the commercial nuclear reactors in the world, sorted by country, with operational status. Nuclear decommissioning and list of commercial nuclear reactors are nuclear power stations.

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Lists of nuclear disasters and radioactive incidents

These are lists of nuclear disasters and radioactive incidents.

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Lists of nuclear reactors

This following is a list of articles listing nuclear reactors.

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Lucens reactor

The Lucens reactor was a 6 MW experimental nuclear power reactor built next to Lucens, Vaud, Switzerland.

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Magnox

Magnox is a type of nuclear power / production reactor that was designed to run on natural uranium with graphite as the moderator and carbon dioxide gas as the heat exchange coolant.

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Maine Yankee Nuclear Power Plant

Maine Yankee Nuclear Power Plant was a nuclear power plant built at an 820-acre site on Bailey Peninsula of Wiscasset, Maine, in the United States.

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Marcoule Nuclear Site

Marcoule Nuclear Site (Site nucléaire de Marcoule) is a nuclear facility in the Chusclan and Codolet communes, near Bagnols-sur-Cèze in the Gard department of France, which is in the tourist, wine and agricultural Côtes-du-Rhône region.

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Massachusetts

Massachusetts (script), officially the Commonwealth of Massachusetts, is a state in the New England region of the Northeastern United States.

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Mayak

The Mayak Production Association (Производственное объединение «Маяк», Proizvodstvennoye ob′yedineniye "Mayak", from Маяк 'lighthouse') is one of the largest nuclear facilities in the Russian Federation, housing a reprocessing plant.

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Ministry of energy

A ministry of energy or department of energy is a government department in some countries that typically oversees the production of fuel and electricity; in the United States, however, it manages nuclear weapons development and conducts energy-related research and development.

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Mol, Belgium

Mol is a municipality located in the Belgian province of Antwerp.

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MOX fuel

Mixed oxide fuel, commonly referred to as MOX fuel, is nuclear fuel that contains more than one oxide of fissile material, usually consisting of plutonium blended with natural uranium, reprocessed uranium, or depleted uranium.

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National Historic Landmark

A National Historic Landmark (NHL) is a building, district, object, site, or structure that is officially recognized by the United States government for its outstanding historical significance.

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Neptunium

Neptunium is a chemical element; it has symbol Np and atomic number 93.

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Neutron moderator

In nuclear engineering, a neutron moderator is a medium that reduces the speed of fast neutrons, ideally without capturing any, leaving them as thermal neutrons with only minimal (thermal) kinetic energy. Nuclear decommissioning and neutron moderator are nuclear technology.

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Niederaichbach

Niederaichbach is a municipality in the district of Landshut in Bavaria in Germany.

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Nuclear and radiation accidents and incidents

A nuclear and radiation accident is defined by the International Atomic Energy Agency (IAEA) as "an event that has led to significant consequences to people, the environment or the facility." Examples include lethal effects to individuals, large radioactivity release to the environment, or a reactor core melt.

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The Nuclear Decommissioning Authority (NDA) is a non-departmental public body of the Department for Energy Security and Net Zero (formerly the Department for Business, Energy and Industrial Strategy) formed by the Energy Act 2004.

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Nuclear Energy Agency

The Nuclear Energy Agency (NEA) is an intergovernmental agency that is organized under the Organisation for Economic Co-operation and Development (OECD).

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Nuclear entombment

Nuclear entombment (also referred to as "safe enclosure") is a method of nuclear decommissioning in which radioactive contaminants are encased in a structurally long-lived material, such as concrete. Nuclear decommissioning and nuclear entombment are nuclear power stations, nuclear technology and radioactive waste.

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Nuclear fission

Nuclear fission is a reaction in which the nucleus of an atom splits into two or more smaller nuclei.

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Nuclear fuel

Nuclear fuel is material used in nuclear power stations to produce heat to power turbines. Nuclear decommissioning and nuclear fuel are nuclear technology.

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Nuclear marine propulsion

Nuclear marine propulsion is propulsion of a ship or submarine with heat provided by a nuclear reactor.

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Nuclear power in Austria

In the 1960s the Austrian government started a nuclear-energy program and parliament unanimously ordered a nuclear power-plant built.

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Nuclear power in Belgium

Belgium has two nuclear power plants operating with a net capacity of 5,761 MWe.

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Nuclear power in Bulgaria

Nuclear power generates about a third of electricity in Bulgaria.

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Nuclear power in Canada

Nuclear power in Canada is provided by 19 commercial reactors with a net capacity of 13.5 gigawatt (GW), producing a total of 95.6 terawatt-hours (TWh) of electricity, which accounted for 16.6% of the country's total electric energy generation in 2015.

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Nuclear power in China

China is one of the world's largest producers of nuclear power.

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Nuclear power in France

Since the mid 1980s, the largest source of electricity in France has been nuclear power, with a generation of 379.5 TWh in 2019 and a total electricity production of.

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Nuclear power in Germany

Nuclear power was used in Germany from the 1960s until it was phased out in April 2023.

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Nuclear power in India

Nuclear power is the fifth-largest source of electricity in India after coal, gas, hydroelectricity and wind power.

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Nuclear power in Italy

Nuclear power in Italy is a controversial topic.

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Nuclear power in Japan

Prior to the 2011 Tōhoku earthquake and tsunami, Japan had generated 30% of its electrical power from nuclear reactors and planned to increase that share to 40%.

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Nuclear power in North Korea

North Korea (DPRK) has been active in developing nuclear technology since the 1950s.

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Nuclear power in Russia

Russia is one of the world's largest producers of nuclear energy.

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Nuclear power in Slovakia

Slovakia has five operational nuclear reactors, with a combined net power capacity of 2,308 MWe, with a sixth coming on line shortly.

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Nuclear power in Spain

Spain has five active nuclear power plants with seven reactors producing 20% of the country's electricity as of 2023.

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Nuclear power in Sweden

The electricity sector in Sweden has three operational nuclear power plants with 6 operational nuclear reactors, which produce about 29.8% of the country's electricity.

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Nuclear power in Switzerland

Nuclear power in Switzerland is generated by three nuclear power plants, with a total of four operational reactors (see list below).

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Nuclear power in the Netherlands

The Netherlands' only commercial nuclear reactor is Borssele nuclear power plant, which became operational in 1973 and produces 485 MW and about 4% of the country's electricity.

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Nuclear power in the United Kingdom

Nuclear power in the United Kingdom generated 16.1% of the country's electricity in 2020.

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Nuclear power in the United States

In the United States, nuclear power is provided by 92 commercial reactors with a net capacity of 94.7 gigawatts (GW), with 61 pressurized water reactors and 31 boiling water reactors.

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Nuclear power in Ukraine

Ukraine operates four nuclear power plants with 15 reactors located in Volhynia and South Ukraine.

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Nuclear power plant

A nuclear power plant (NPP) or atomic power station (APS) is a thermal power station in which the heat source is a nuclear reactor. Nuclear decommissioning and nuclear power plant are nuclear power stations.

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Nuclear reactor

A nuclear reactor is a device used to initiate and control a fission nuclear chain reaction or nuclear fusion reactions. Nuclear decommissioning and nuclear reactor are nuclear technology.

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Nuclear Regulatory Commission

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.

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Nuclear reprocessing

Nuclear reprocessing is the chemical separation of fission products and actinides from spent nuclear fuel. Nuclear decommissioning and nuclear reprocessing are nuclear technology and radioactive waste.

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Nuclear Waste Policy Act

The Nuclear Waste Policy Act of 1982 is a United States federal law which established a comprehensive national program for the safe, permanent disposal of highly radioactive wastes. Nuclear decommissioning and Nuclear Waste Policy Act are radioactive waste.

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Nyongbyon Nuclear Scientific Research Center

The Nyongbyon Nuclear Scientific Research Center (녕변원자력연구소) is North Korea's major nuclear facility, operating its first nuclear reactors.

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Ohio

Ohio is a state in the Midwestern region of the United States.

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Ontario

Ontario is the southernmost province of Canada.

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Orders of magnitude (numbers)

This list contains selected positive numbers in increasing order, including counts of things, dimensionless quantities and probabilities.

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Oregon

Oregon is a state in the Pacific Northwest region of the United States.

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Pacific Gas and Electric Company

The Pacific Gas and Electric Company (PG&E) is an American investor-owned utility (IOU).

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Particle accelerator

A particle accelerator is a machine that uses electromagnetic fields to propel charged particles to very high speeds and energies to contain them in well-defined beams.

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Pennsylvania

Pennsylvania, officially the Commonwealth of Pennsylvania (Pennsylvania Dutch), is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States.

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Phénix

Phénix (French for phoenix) was a small-scale (gross 264/net 233 MWe) prototype fast breeder reactor, located at the Marcoule nuclear site, near Orange, France.

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Piacenza

Piacenza (Piaṡëinsa) is a city and comune (municipality) in the Emilia-Romagna region of Northern Italy, and the capital of the eponymous province.

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Pickering Nuclear Generating Station

Pickering Nuclear Generating Station is a Canadian nuclear power station located on the north shore of Lake Ontario in Pickering, Ontario.

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Piqua Nuclear Generating Station

The Piqua Nuclear Power Facility was an organic cooled and moderated nuclear reactor which operated just outside the southern city limits of Piqua, Ohio in the United States.

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Plutonium

Plutonium is a chemical element; it has symbol Pu and atomic number 94.

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Pressurized heavy-water reactor

A pressurized heavy-water reactor (PHWR) is a nuclear reactor that uses heavy water (deuterium oxide D2O) as its coolant and neutron moderator.

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Pressurized water reactor

A pressurized water reactor (PWR) is a type of light-water nuclear reactor.

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PUREX

PUREX (plutonium uranium reduction extraction) is a chemical method used to purify fuel for nuclear reactors or nuclear weapons. Nuclear decommissioning and PUREX are radioactive waste.

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Quebec

QuebecAccording to the Canadian government, Québec (with the acute accent) is the official name in Canadian French and Quebec (without the accent) is the province's official name in Canadian English is one of the thirteen provinces and territories of Canada.

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Radiation protection

Radiation protection, also known as radiological protection, is defined by the International Atomic Energy Agency (IAEA) as "The protection of people from harmful effects of exposure to ionizing radiation, and the means for achieving this".

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Radioactive decay

Radioactive decay (also known as nuclear decay, radioactivity, radioactive disintegration, or nuclear disintegration) is the process by which an unstable atomic nucleus loses energy by radiation.

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Radioactive waste

Radioactive waste is a type of hazardous waste that contains radioactive material. Nuclear decommissioning and radioactive waste are nuclear technology.

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Rajasthan

Rajasthan (lit. 'Land of Kings') is a state in northwestern India.

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Rajasthan Atomic Power Station

The Rajasthan Atomic Power Station (RAPS; also Rajasthan Atomic Power Project - RAPP) is a nuclear power plant located at Rawatbhata in the state of Rajasthan, India.

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Rancho Seco Nuclear Generating Station

The Rancho Seco Nuclear Generating Station is a decommissioned nuclear power plant built by the Sacramento Municipal Utility District (SMUD) in Herald, California.

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Rapsodie

Rapsodie was an experimental nuclear reactor built in Cadarache in France.

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RBMK

The RBMK (реа́ктор большо́й мо́щности кана́льный, РБМК; reaktor bolshoy moshchnosti kanalnyy, "high-power channel-type reactor") is a class of graphite-moderated nuclear power reactor designed and built by the Soviet Union.

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Reactorsaurus

Reactorsaurus is a robot designed to deconstruct the defunct nuclear reactor at Dounreay in Caithness where the conditions have become too dangerous to work in due to neutron activation.

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Research reactor

Research reactors are nuclear fission-based nuclear reactors that serve primarily as a neutron source.

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Rheinsberg Nuclear Power Plant

Rheinsberg Nuclear Power Station (Kernkraftwerk Rheinsberg, KKR) was the second nuclear reactor in East Germany after the Rossendorf Research Reactor, and the first nuclear power reactor in East Germany.

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SAFSTOR

SAFSTOR is a nuclear decommissioning method in which a nuclear power plant or facility governed by the United States Nuclear Regulatory Commission, is "placed and maintained in a condition that allows the facility to be safely stored and subsequently decontaminated (deferred decontamination) to levels that permit release for unrestricted use".

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Saint-Laurent Nuclear Power Plant

The Saint-Laurent Nuclear Power Station is located in the commune of Saint-Laurent-Nouan in Loir-et-Cher on the Loire — upstream from Blois and downstream from Orléans.

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San Onofre Nuclear Generating Station

The San Onofre Nuclear Generating Station (SONGS) is a permanently closed nuclear power plant located south of San Clemente, California, on the Pacific coast, in Nuclear Regulatory Commission Region IV.

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Santa María de Garoña Nuclear Power Plant

Santa María de Garoña Nuclear Power Plant is a mothballed nuclear power station at Santa María de Garoña, Burgos (Spain). Nuclear decommissioning and Santa María de Garoña Nuclear Power Plant are former nuclear power stations.

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Savannah River Site

The Savannah River Site (SRS) is a U.S. Department of Energy (DOE) reservation in the United States, located in the state of South Carolina on land in Aiken, Allendale, and Barnwell counties adjacent to the Savannah River.

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Science Museum, London

The Science Museum is a major museum on Exhibition Road in South Kensington, London.

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Sellafield

Sellafield, formerly known as Windscale, is a large multi-function nuclear site close to Seascale on the coast of Cumbria, England.

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Seversk

Seversk (p) is a closed city in Tomsk Oblast, Russia, located northwest of Tomsk on the right bank of the Tom River.

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Ship-Submarine Recycling Program

The Ship-Submarine Recycling Program (SRP) is the process that the United States Navy uses to dispose of decommissioned nuclear vessels.

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Shippingport Atomic Power Station

The Shippingport Atomic Power Station was (according to the US Nuclear Regulatory Commission) the world's first full-scale atomic electric power plant devoted exclusively to peacetime uses.

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Small modular reactor

Small modular reactors (SMRs) are a class of small nuclear fission reactors, designed to be built in a factory, shipped to operational sites for installation and then used to power buildings or other commercial operations.

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Sodium

Sodium is a chemical element; it has symbol Na (from Neo-Latin natrium) and atomic number 11.

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Soviet submarine K-159

K-159 (Russian: К–159) was a Project 627A "Kit" (Russian: проект-627A кит, NATO reporting name) nuclear-powered submarine that served in the Northern Fleet of the Soviet Navy from 1963–89.

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Soviet submarine K-27

K-27 was the only nuclear submarine of the Soviet Navy's Project 645.

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Spent nuclear fuel

Spent nuclear fuel, occasionally called used nuclear fuel, is nuclear fuel that has been irradiated in a nuclear reactor (usually at a nuclear power plant). Nuclear decommissioning and Spent nuclear fuel are radioactive waste.

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Steam generator (nuclear power)

A steam generator (aka nuclear steam raising plant ('NSRP')) is a heat exchanger used to convert water into steam from heat produced in a nuclear reactor core.

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Steam-Generating Heavy Water Reactor

The Steam Generating Heavy Water Reactor (SGHWR) was a United Kingdom design for commercial nuclear reactors.

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Stendal nuclear power plant

Stendal Nuclear Power Station (Kernkraftwerk Stendal) is a nuclear power station which was never completed.

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Strontium

Strontium is a chemical element; it has symbol Sr and atomic number 38.

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Superphénix

Superphénix (Superphoenix, SPX) was a nuclear power station prototype on the Rhône river at Creys-Malville in France, close to the border with Switzerland.

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Swedish krona

The krona (plural: kronor; sign: kr; code: SEK) is the currency of the Kingdom of Sweden.

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Swedish Radiation Safety Authority

The Swedish Radiation Safety Authority (Strålsäkerhetsmyndigheten) is the Swedish government authority responsible for radiation protection.

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Swiss Federal Nuclear Safety Inspectorate

The Swiss Federal Nuclear Safety Inspectorate (Eidgenössisches Nuklearsicherheitsinspektorat (ENSI)) is Switzerland's regulatory supervisory authority for nuclear safety and for the security of nuclear installations; it supervises the nuclear power plants at Beznau, Gösgen, Leibstadt and Mühleberg, the research reactors at the Paul Scherrer Institute, the University of Basel and the Swiss Federal Institute of Technology (Ecole Polytechnique Fédérale de Lausanne), as well as the Swiss national central interim storage facility for radioactive waste (ZWILAG).

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Tōkai Nuclear Power Plant

The was Japan's first commercial nuclear power plant.

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Three Mile Island Nuclear Generating Station

Three Mile Island Nuclear Generating Station (commonly abbreviated as TMI) is a closed nuclear power plant on Three Mile Island in Pennsylvania on the Susquehanna River just south of Harrisburg.

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Tritium

Tritium or hydrogen-3 (symbol T or H) is a rare and radioactive isotope of hydrogen with half-life ~12.3 years.

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Trojan Nuclear Power Plant

Trojan Nuclear Power Plant was a pressurized water reactor nuclear power plant (Westinghouse design) in the northwest United States, located southeast of Rainier, Oregon, and so far, the only commercial nuclear power plant to be built in Oregon.

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UNGG reactor

The UNGG (Uranium Naturel Graphite Gaz) is an obsolete nuclear power reactor design developed in France.

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United States Department of Energy

The United States Department of Energy (DOE) is an executive department of the U.S. federal government that oversees U.S. national energy policy and energy production, the research and development of nuclear power, the military's nuclear weapons program, nuclear reactor production for the United States Navy, energy-related research, and energy conservation.

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Uranium

Uranium is a chemical element; it has symbol U and atomic number 92.

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Uranium hexafluoride

Uranium hexafluoride, sometimes called hex, is an inorganic compound with the formula. Uranium hexafluoride is a volatile and toxic white solid that reacts with water, releasing corrosive hydrofluoric acid. The compound reacts mildly with aluminium, forming a thin surface layer of AlF3 that resists any further reaction from the compound.

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Uranium mining

Uranium mining is the process of extraction of uranium ore from the ground.

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Vandellòs Nuclear Power Plant

The Vandellòs Nuclear Power Plant is a nuclear power plant in Vandellòs located close to the Coll de Balaguer pass (Baix Camp comarca) in Catalonia, Spain.

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Vercelli

Vercelli (Vërsèj) is a city and comune of 46,552 inhabitants (January 1, 2017) in the Province of Vercelli, Piedmont, northern Italy.

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Vermont Yankee Nuclear Power Plant

Vermont Yankee was an electricity generating nuclear power plant, located in the town of Vernon, Vermont, in the northeastern United States.

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Vienna

Vienna (Wien; Austro-Bavarian) is the capital, most populous city, and one of nine federal states of Austria.

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VVER

The water-water energetic reactor (WWER), or VVER (from водо-водяной энергетический реактор; transliterates as; water-water power reactor) is a series of pressurized water reactor designs originally developed in the Soviet Union, and now Russia, by OKB Gidropress.

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Washington (state)

Washington, officially the State of Washington, is the westernmost state in the Pacific Northwest region of the United States.

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Weapons-grade nuclear material

Weapons-grade nuclear material is any fissionable nuclear material that is pure enough to make a nuclear weapon and has properties that make it particularly suitable for nuclear weapons use.

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Westinghouse Electric Company

Westinghouse Electric Company LLC is an American nuclear power company formed in 1999 from the nuclear power division of the original Westinghouse Electric Corporation.

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Westinghouse Electric Corporation

The Westinghouse Electric Corporation (later CBS Corporation) was an American manufacturing company founded in 1886 by George Westinghouse and headquartered in Pittsburgh, Pennsylvania.

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Willamette Week

Willamette Week (WW) is an alternative weekly newspaper and a website published in Portland, Oregon, United States, since 1974.

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Winfrith

Winfrith Atomic Energy Establishment, or AEE Winfrith, was a United Kingdom Atomic Energy Authority site near Winfrith Newburgh in Dorset.

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World

The world is the totality of entities, the whole of reality, or everything that exists.

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Wuppertal Institute for Climate, Environment and Energy

The Wuppertal Institute for Climate, Environment and Energy (official German name) is a German research institution for sustainability research, focusing on impacts and practical application.

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Yankee Rowe Nuclear Power Station

Yankee Rowe Nuclear Power Station was a nuclear power plant in Rowe, Massachusetts, located on the Deerfield River in the town of Rowe in western Massachusetts.

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Yucca Mountain nuclear waste repository

The Yucca Mountain Nuclear Waste Repository, as designated by the Nuclear Waste Policy Act amendments of 1987, is a proposed deep geological repository storage facility within Yucca Mountain for spent nuclear fuel and other high-level radioactive waste in the United States.

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References

[1] https://en.wikipedia.org/wiki/Nuclear_decommissioning

Also known as DECON, Decommissioning nuclear facilities, Dismantling of a nuclear reactors, Reactor decommissioning.

Nuclear decommissioning, the Glossary

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