NationMaster - Encyclopedia: Hanford Nuclear Reservation

Hanford Site, 1945, from the Smyth Report. See Image:SmythReport.jpg for copyright info. File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. Click on date to download the file or see the image uploaded on that date. (del...

Hanford Site during the Control panels and operators for calutrons at Oak Ridge National Laboratory. During the Manhattan Project the operators, mostly women, worked in shifts covering 24 hours a day. The Manhattan Project, or more formally, the Manhattan Engineering District, was an effort during World War II to develop the first nuclear weapons... Manhattan Project.

The Hanford Site occupies 1,518 square kilometers (586 square miles) in Benton County is a county located in the south central of the state of Washington. The Columbia River makes up the north, south, and east boundries of the county. As of 2000, the population is 142,475. The county seat is Prosser. It was named after Missouri Senator Thomas Hart... Benton County, south-central This article deals with the U.S. state. For other uses, see Washington (disambiguation) State nickname: The Evergreen State Other U.S. States Capital Olympia Largest city Seattle Governor Christine Gregoire Official languages None Area 184,824 km² (18th) - Land 172,587 km² - Water 12,237... Washington. It was established in 1943 is a common year starting on Friday. Events January January 4 - End of term for Culbert Olson, 29th Governor of California. He is succeeded by Earl Warren. January 11 - The United States and United Kingdom give up territorial rights in China. January 11 - General Juanto dies in Argentina - Ramon... 1943 during Mushroom cloud from the nuclear explosion over Nagasaki rising 18 km (60,000 ft) into the air. August 9, 1945 World War II was a global conflict that started in 7 July 1937 in Asia and 1 September 1939 in Europe and lasted until 1945, involving the majority of the... World War II as part of the Control panels and operators for calutrons at Oak Ridge National Laboratory. During the Manhattan Project the operators, mostly women, worked in shifts covering 24 hours a day. The Manhattan Project, or more formally, the Manhattan Engineering District, was an effort during World War II to develop the first nuclear weapons... Manhattan Project to provide the General Name, Symbol, Number Plutonium, Pu, 94 Chemical series Actinides Period, Block 7 , f Density, Hardness 19816 kg/m3, no data Appearance silvery white metal Atomic properties Atomic weight 244.06 amu Atomic radius (calc.) 175 (no data) pm Covalent radius no data van der Waals radius no data Electron... plutonium necessary for the development of The mushroom cloud of the atomic bombing of Nagasaki, Japan, in 1945 lifted nuclear fallout some 18 km (60,000 feet) above the epicenter. A nuclear weapon is a weapon that derives its energy from nuclear reactions and has enormous destructive power—even the smallest nuclear weapons are much... nuclear weapons. The former A street in Ynysybwl, Wales, relatively stereotypical of a small town A town is usually an urban area which is not considered to rank as a city. As with cities, there is no standard universal definition of a town: the criterion in use in any country is likely to arise... towns of White Bluffs was a town in Benton County, Washington. It was evacuated in the 1940s along with the town of Hanford in order to make room for the nuclear production facility known as the Hanford Site. Categories: Stub | Benton County, Washington ... White Bluffs and Hanford was a small agricultural community in Benton County, Washington. It was evacuated in 1943 along with the town of White Bluffs in order to make room for the nuclear production facility known as the Hanford Site. Categories: US geography stubs | Benton County, Washington ... Hanford were evacuated to make room for the site.

Plutonium manufactured at the Hanford site was used in constructing the first nuclear weapon at An early stage in the Trinity fireball. The Trinity site is the site of the first testing of a nuclear weapon, on July 16, 1945. A plutonium bomb was tested, the type of weapon later dropped on Nagasaki, Japan (the weapon used against Hiroshima was powered by uranium, a type... Trinity site, as well as The nuclear weapon code-named Fat Man was detonated over Nagasaki, Japan, on August 9, 1945. It was the second and, so far, the last known nuclear weapon to be used in assault. A post-war Fat Man model. The 10-foot 8-inch (3.25 metres) long, five-foot... Fat Man, the This article is about explosive devices. Theo can also refer to water bombs or volcanic bombs. Bomb is also a slang term. Massive ordinance air-burst bomb.Photo:USAF A bomb is an explosive device, usually some kind of container filled with explosive material, designed to cause destruction when set... bomb dropped on Megane-bashi, the Eyeglasses Bridge Nagasaki (長崎市; -shi) is the capital and the largest city of Nagasaki Prefecture located at the south-western coast of Kyushu, Japan. It was a center of European influence in medieval Japan, and the second city on which an atomic bomb was dropped... Nagasaki.

Currently, the Hanford Site is engaged in the world's largest environmental cleanup, with many challenges to be resolved in the face of overlapping technical, political, regulatory, and cultural interests. The cleanup effort is focused on three outcomes: restoring the Columbia River Gorge, Washington or North side Geography The Columbia River is the largest river in volume flowing into the Pacific Ocean from North America. Its headwaters are located in the Canadian Rockies of British Columbia and the Clark Fork in the State of Montana, named for William Clark of... Columbia River corridor for other uses, transitioning the central plateau to long-term waste treatment and storage, and preparing for the future.

Although most of the original Hanford Site was in Benton County, approximately 20% was across the Columbia River in Grant and Franklin counties.

History of the Hanford Nuclear Site

The General Name, Symbol, Number Uranium, U, 92 Chemical series Actinides Period, Block 7 , f Density, Hardness 19050 kg/m3, ND Appearance silvery-white metal Atomic properties Atomic weight 238.0289 amu Atomic radius (calc.) 175 (ND) pm Covalent radius ND pm van der Waals radius 186 pm Electron configuration [Rn... Uranium Committee of the federal Office of Scientific Research and Development (OSRD) decided to sponsor an intensive For the suburb of Melbourne, Australia, see Research, Victoria. Research is an active, diligent and systematic process of inquiry in order to discover, interpret or revise facts, events, behaviors, or theories, or to make practical applications with the help of such facts, laws or theories. The term research is also... research project on General Name, Symbol, Number Plutonium, Pu, 94 Chemical series Actinides Period, Block 7 , f Density, Hardness 19816 kg/m3, no data Appearance silvery white metal Atomic properties Atomic weight 244.06 amu Atomic radius (calc.) 175 (no data) pm Covalent radius no data van der Waals radius no data Electron... plutonium, the strange new substance that had been isolated in a The University of California (UC) is a public university system within the State of California. It has a combined student body of more than 191,000 students and over 1,340,000 living alumni. The first campus was founded in 1868 in the city of Oakland while a tenth campus... University of California laboratory only nine months earlier. The OSRD placed the contract with the University of Chicago Metallurgical Laboratory (Met Lab).

In the same month as the Battle of Midway Conflict World War II, Pacific War Date June 4– June 6, 1942 Place Vicinity of Midway Island Result US Strategic and Tactical Victory The Battle of Midway, fought in World War II, took place on June 5, 1942 ( June 4 in US time zones). The United... Battle of Midway, the United States Army Corps of Engineers logo The United States Army Corps of Engineers, or USACE, is made up of some 34,600 military men and women. The Corps mission is to provide engineering services to the United States, including: Planning, designing, building and operating dams and other civil engineering... Army Corps of Engineers formed the Manhattan Engineer District (MED) to construct industrial-size plants to manufacture the plutonium and uranium being investigated by Met Lab scientists. Six months later, just three days before Joseph and Mary with baby Jesus, at the first Christmas Christmas (literally, the Mass of Christ) is a holiday in the Christian calendar, usually observed on December 25, which celebrates the birth of Jesus. According to the Christian gospels, Jesus was born to Mary in Bethlehem, where she and her... Christmas 1942 was a common year starting on Thursday (link will take you to calendar). Events January January 1 - World War II: The word United Nations is first officially used to describe the Allied pact. January 2 - World War II: Manila is captured by Japanese forces. The Japanese Admiral stays in... 1942, as the nostalgic wartime song " White Christmas has three different meanings: Weather A white Christmas, to most people in the Northern Hemisphere, refers to snowy weather at Christmas, a phenomenon which is far more common in some countries than in others. For example, in most of the UK, snow is rarely experienced at Christmas except... White Christmas" was hitting #1 on the charts, Colonel Franklin T. Matthias and two engineers from E.I. du Pont de Nemours and Company (NYSE: DD) was founded in July 1802 as a gun powder mill by Eleuthère Irénée du Pont on Brandywine Creek, near Wilmington, Delaware. Du Pont later evolved into one of the worlds largest chemical companies, and in the... Du Pont visited the future Hanford Site. On New Years Eve is a celebration held the day before New Years Day, on December 31, the final day of the year. (See New Year for a discussion of the calendric, religious, and cultural observance of a change of year.) New Years Eve is a separate observance... New Year's Eve 1942, they reported to General Leslie Groves Leslie Richard Groves (August 17, 1896 - July 13, 1970) was a member of the United States Army who oversaw the construction of the Pentagon and the primary military leader in charge of the Manhattan Project to develop the atomic bomb during World War II. Born in Albany, New... Leslie Groves, chief of the Control panels and operators for calutrons at Oak Ridge National Laboratory. During the Manhattan Project the operators, mostly women, worked in shifts covering 24 hours a day. The Manhattan Project, or more formally, the Manhattan Engineering District, was an effort during World War II to develop the first nuclear weapons... Manhattan Project, that the Hanford region was "ideal in virtually all respects" (Matthias 1987) in terms of the criteria defined for the plutonium production site.

Image of the surface of waste found inside double-shell tank 101-SY at the Hanford Site in eastern Washington State. April 1989.

The eight oldest Nuclear power station at Leibstadt, Switzerland. The nuclear reactor is inside the dome-shaped containment building. A nuclear reactor is a device in which nuclear chain reactions are initiated, controlled, and sustained at a steady rate (as opposed to a nuclear explosion, where the chain reaction occurs in a split... nuclear reactors (not counting N-Reactor) that stand on the shoreline of the Hanford Reach contain stories that are among the richest in nuclear history in the world. Now silent, these reactors once hummed with the roar of Drinking water This article focuses on water as we experience it every day. The water (molecule) article describes the water chemical and physical properties from a scientific and technical perspective. Water (from Low German or Old Saxon) is an abundant substance on Earth. It exists in many places and forms... water rushing through their process tubes and achieved the greatest throughput of special nuclear materials of any place known on Earth. With an average individual life span of just 22 years, these eight reactors, which were known as "piles" during the Centuries: 19th century - 20th century - 21st century Decades: 1890s 1900s 1910s 1920s 1930s - 1940s - 1950s 1960s 1970s 1980s 1990s Years: 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 Events and trends Technology First nuclear bomb First cruise missile, the V1 flying bomb and the first ballistic missile, the... 1940s and Events and trends Technology United States tests the first fusion bomb. See History of nuclear weapons Sputnik, the first man-made satellite, and thus the Sputnik crisis The De Havilland Comet enters service as the worlds first jet airliner Charles Townes builds a maser in 1953 at Columbia University... 1950s, were built between 1944 was a leap year starting on Saturday (link will take you to calendar). Events World War II January January 4 - The Battle of Monte Cassino begins. January 5 - Murder of Danish playwright Kaj Munk January 17 - British forces, in Italy, cross the Garigliano River. January 20 - The Royal Air... 1944 and 1955 is a common year starting on Saturday. Events January-April January 2 - Panama president Jose Antonio Remon is assassinated. January 19 - The Scrabble board game debuts. February 8 - Nikolai Bulganin ousts Georgi Malenkov February 13 - Israel obtains 4 of the 7 Dead Sea scrolls. February 23 - First meeting of... 1955, and closed down between 1964 was a leap year starting on Wednesday (link will take you to calendar). Events January January 1 - Federation of Rhodesia and Nyasaland is dissolved. January 3 - Senator Barry Goldwater announces that he will seek the Republican nomination for President. January 5 - In the first meeting between leaders of the... 1964 and 1971 is a common year starting on Friday (click for link to calendar). Events January January 1 - British divorce Reform Act comes into force January 2 - 66 die in stairway crush at Rangers v Celtic football match, Glasgow, Scotland. See Ibrox disaster. January 2 - A ban on television cigarette advertisements... 1971.

Tied in umbilical fashion to the Columbia River Gorge, Washington or North side Geography The Columbia River is the largest river in volume flowing into the Pacific Ocean from North America. Its headwaters are located in the Canadian Rockies of British Columbia and the Clark Fork in the State of Montana, named for William Clark of... Columbia River, the eight old reactors were known as "single-pass" facilities because their cooling systems drew water from the For the Second World War frigate class, see River class frigate The Murray River in Australia A waterfall on the Ova da Fedoz, Switzerland A river is a large natural waterway. It is a specific term in the vernacular for large streams, stream being the umbrella term used in the... river, treated it chemically, pumped it through the process tubes to cool the uranium fuel charges, and then passed the water out to the river again for disposal. Between the reactors and the return trip to the river, the used cooling water (effluent) was held in large tanks known as 107 Retention Basins for periods that ranged from 30 minutes to 6 hours. This temporary retention provided for the decay of short-lived A radionuclide is an atom with an unstable nucleus. The radionuclide undergoes radioactive decay by emitting a gamma ray(s) and/or subatomic particles. Radionuclides are often referred to by chemists and biologists as radioactive isotopes or radioisotopes, and play an important part in the technologies that provide us with... radionuclides picked up in the reactors. However, the longer-lived Isotopes are atoms of a chemical element whose nuclei have the same atomic number, Z, but different atomic weights, A. The word isotope, meaning at the same place, comes from the fact that isotopes are located at the same place on the periodic table. The atomic number corresponds to the... isotopes were not affected by this retention period, and thousands of For other uses, see Curie (disambiguation). The curie (symbol Ci) is a former unit of radioactivity, defined as 3.7×1010 decays per second. This is roughly the activity of 1 gram of the radium isotope 226Ra, a substance studied by the pioneers of radiology, Marie Curie and Pierre Curie... curies entered the Columbia River every day, provoking, by the early Centuries: 19th century - 20th century - 21st century Decades: 1900s 1910s 1920s 1930s 1940s 1950s - 1960s - 1970s 1980s 1990s 2000s 2010s Years: 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 Events and trends The 1960s was a turbulent decade of change around the world. Many of the trends of... 1960s, protests from the health departments of State nickname: Beaver State Other U.S. States Capital Salem Largest city Portland Governor Ted Kulongoski Official languages None Area 255,026 km² (9th) - Land 248,849 km² - Water 6,177 km² (2.4%) Population (2000) - Population 3,421,399 (28th) - Density 13.76... Oregon and This article deals with the U.S. state. For other uses, see Washington (disambiguation) State nickname: The Evergreen State Other U.S. States Capital Olympia Largest city Seattle Governor Christine Gregoire Official languages None Area 184,824 km² (18th) - Land 172,587 km² - Water 12,237... Washington, as well as the The United States Public Health Service was founded first by President John Adams as a loose network of hospitals to support the health of American seamen. It is the uniformed service of the United States Department of Health and Human Services. Members of the Public Health Service Commissioned Corps wear... U.S. Public Health Service.

At the World War II Hanford Site, the historic feat of starting up the first three, full-scale nuclear reactors in the world within a period of five months ushered in a 27-year period of hectic and remarkable pile development. The World War II reactors (B, D, and F) each were designed to operate at 250 The megawatt (symbol: MW) is a unit for measuring power corresponding to one million (106) watts. The productive capacity of electrical generators operated by utility companies are often measured in MW. Few things can sustain the transfer or consumption of energy on this scale; some of these events or entities... megawatts (MW) of nuclear power. H-Pile, which started up in 1949 is a common year starting on Saturday. Events January January 4 - RMS Caronia of the Cunard Line departs Southampton for New York on her maiden voyage January 4 - February 22 - Series of winter storms in Nebraska, Wyoming, South Dakota, Utah, Colorado and Nevada - winds of up to 72 mph... 1949, was designed to operate at 400 MW, and DR (D-Replacement), which started up in Events January January 5 - US Senator Estes Kefauver introduces a resolution calling for examination of organized crime in the USA January 6 - The United Kingdom recognizes the Peoples Republic of China. The Republic of China severs diplomatic relations with Britain in response. January 9 - The Israeli government recognizes the... 1950, was a clone of D-Pile, designed to operate at 250 MW. C-Reactor, which was started up in 1952 was a leap year starting on Tuesday (link will take you to calendar). Events January events January 8 - West Germany has 8 million refugees inside its borders. January 24 - Sudden heavy snowfall in Algeria. January 24 - Vincent Massey sworn in as first Canada-born Governor-General of Canada. February... 1952 with a nameplate design power level of 600 MW, soon became the chief developmental and production testing machine at the Hanford Site. Within three months of its startup, its primary function had been designated as that of prototype experimentation for the design of the "twin" K-Piles (KE and KW).

Completed in 1955 is a common year starting on Saturday. Events January-April January 2 - Panama president Jose Antonio Remon is assassinated. January 19 - The Scrabble board game debuts. February 8 - Nikolai Bulganin ousts Georgi Malenkov February 13 - Israel obtains 4 of the 7 Dead Sea scrolls. February 23 - First meeting of... 1955, the KE and KW reactors were known as the "jumbos," because their nameplate design power levels stood at 1,800 MW, more than seven times larger than those of the World War II reactors. By the early Centuries: 19th century - 20th century - 21st century Decades: 1900s 1910s 1920s 1930s 1940s 1950s - 1960s - 1970s 1980s 1990s 2000s 2010s Years: 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 Events and trends The 1960s was a turbulent decade of change around the world. Many of the trends of... 1960s, extensive modifications and upgrades had allowed the oldest five piles to achieve power levels ranging from 2,015 to 2,210 MW each, C-Reactor to attain 2,500 MW, and the K-Piles to reach 4,400 MW each. Thus, the scale-up achieved during the operating years was nearly as great as the historic leaps attained in World War II while building the original Hanford Site plants from laboratory-sized prototypes.

The early operators of the Hanford Site's piles were puzzled and intrigued by many questions. For example, they knew that "slug failures," or the accidental penetration of a uranium fuel element's General Name, Symbol, Number aluminium, Al, 13 Chemical series poor metals Group, Period, Block 13 (IIIA), 3, p Density, Hardness 2700 kg/m3, 2.75 Appearance silvery Atomic properties Atomic weight 26.981538 amu Atomic radius (calc.) 125 pm (118 pm) Covalent radius 118 pm van der Waals radius no... aluminum jacket (can) by cooling water, would cause the uranium to swell and block the coolant flow within the process tube and melt the slugs within that tube. No slug failures occurred at the World War II Hanford Site, but by December 1945 was a common year starting on Monday (link will take you to calendar). Events January January 5 - The Soviet Union recognizes the new pro-Soviet government of Poland. January 7 - British General Bernard Montgomery holds a press conference in which he claims credit for victory in the Battle of... 1945, 125 slugs with mysterious "blisters" had been found by visual inspection in the irradiated fuel storage basins at the rear of the three reactors. Operators developed a pneumatic underwater This article is about a lathe as a tool. See also lathe (graphics) and lathe (division) for other meanings. Conventional lathe In woodworking and metalworking, a lathe is a machine tool which spins a block of material so that when abrasive or cutting tools are applied to the block, it... lathe for opening up the warped slugs for further examination. For the next 7 years, blistered and ruptured fuel elements were opened and examined in Steel framework Steel is a metal alloy whose major component is iron, with carbon being the primary alloying material. Carbon acts as a hardening agent, preventing iron atoms, which are naturally arranged in a lattice, from sliding past one another. Varying the amount of carbon and its distribution in the... steel tanks located in the 111-B Test Building. After the 327 Radiometallurgy Facility was ready, with its state-of-the-art hot cells, the 111-B Building continued to be used as an examination facility for sections of Corrosion is deterioration of useful properties in a material due to reactions with its environment. Weakening of steel due to oxidation of the iron atoms is a well-known example of electrochemical corrosion. This type of damage usually affects metallic materials, and typically produces oxide(s) and/or salt(s... corroded and failed process tubes.

When fuel ruptures did occur, Hanford Site operators detected the problem with beta-sensitive water activity monitors located in the rear piping of the reactors. Higher Radioactive decay is the set of various processes by which unstable atomic nuclei (nuclides) emit subatomic particles. Decay is said to occur in the parent nucleus and produce a daughter nucleus. The trefoil symbol is used to indicate radioactive material. The Unicode encoding of this symbol is U+2622 (☢... radioactivity levels indicated a rupture, and the process tube containing the failure simply was emptied into the irradiated fuel storage basin. Sometimes, however, ruptures were severe enough that the failed elements stuck in the process tubes, and Hanford Site operators had to invent completely new techniques for removing the slugs and the tubes. They first flushed out the charges located downstream of the failed element (ie., in "back" of the problem slug in the process tube), and then removed the upstream charges using The article on the vacuum cleaner is located elsewhere. In physics, a vacuum is the absence of matter in a volume of space. A partial vacuum is expressed in units of pressure. The SI unit of pressure is the pascal (abbreviated to Pa in usage). It can also be expressed... vacuum Suction is the creation of a partial vacuum, or region of low pressure. The pressure gradient between this region and the ambient pressure will propel matter toward the vacuum. Vacuums do not actually attract matter; matter is pushed into them by the higher pressure of surrounding air. At zero air... suction. They next employed a rotary reamer to bore out the tube ribs (internal projections used to guide and seat the fuel elements) downstream of the problem. The stuck charge then was pushed downstream with a Hydraulics is a branch of science and engineering concerned with the use of liquids to perform mechanical tasks. It is part of the more general discipline of fluid power. The word hydraulics comes from the Greek word ὑδϱαυλικός (hydraulikos) which in... hydraulic ram until it entered the de-ribbed area, where removal was completed with force from the pneumatic slug charging machine. Next, the damaged process tube was split internally with a special tube splitter developed at the Site, and then pulled out and chopped into short lengths with a unique Hanford Site instrument known as the " Public guillotining in Lons-le-Saunier, 1878 The guillotine is a machine used for the application of capital punishment by decapitation. It consists of a tall upright frame (approx 4m high) from which is suspended a heavy triangular blade (approx 40kg). The blade is hauled to the top of the... guillotine."

Another topic that intrigued the early operators of the Hanford Site's piles was that of Temperature is the physical property of a system which underlies the common notions of hot and cold; the material with the higher temperature is said to be hotter. General description The formal properties of temperature are studied in thermodynamics. Formally, temperature is that property which governs the transfer of thermal... temperature and This article is in need of attention. Please improve it in any way you see fit. This article is about the concept of flux in physics and mathematics. For other uses of the word, see flux (disambiguation). Flux is defined as the rate at which a given quantity passes through... flux distribution (flux is a measure of the number and speed of Properties In physics, the neutron is a subatomic particle with no net electric charge and a mass of 940 MeV/c² (1.6749 × 10-27 kg, slightly more than a proton). Its spin is ½. The nucleus of most atoms (all except the most common isotope of Hydrogen, which consists of... neutrons that are active at various nuclear power levels). During startups, flux levels changed rapidly as the control rods were withdrawn, and sometimes quirky and localized hot spots (areas of very high neutron activity) occurred. Such events could damage parts of the reactors, or cause automatic shutdowns triggered by safety instrumentation (known as instrument scrams). A distinct The learning curve effect and the closely related experience curve effect express the relationship between experience and efficiency. As individuals and/or organizations get more experienced at a task, they usually become more efficient at them. Both concepts originate in the old adage, practice makes perfect. The Learning Curve Effect... learning curve with regard to managing smooth startups separated junior and senior reactor operators.

Even after full operating power was achieved during the earliest years, a uniform poison (neutron absorbing) pattern was used throughout the reactors. This resulted in a flux distribution that achieved maximum irradiation only for the fuel charges located in the center of the piles, a situation that was inefficient in using the uranium fuel supply. Therefore, experimentation with varied poison patterns was undertaken, and, as with other operations, Hanford Site workers developed a colorful array of names for the different patterns: "dimpling," "bowing," and "thinning" the piles were among the flux distribution patterns of the late Centuries: 19th century - 20th century - 21st century Decades: 1890s 1900s 1910s 1920s 1930s - 1940s - 1950s 1960s 1970s 1980s 1990s Years: 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 Events and trends Technology First nuclear bomb First cruise missile, the V1 flying bomb and the first ballistic missile, the... 1940s.

None of the early operating questions were more serious to Hanford Site scientists than that of Graphite is one of the allotropes of carbon. (See also allotropes of carbon.) Unlike diamond, graphite is a conductor, and can be used, for instance, as the material in the electrodes of an electrical arc lamp. Each carbon atom possesses an sp2 orbital hybridisation. The pi orbital electrons delocalized across... graphite distortion. By early 1946 was a common year starting on Tuesday. (see link for calendar) Events January January 4 - Theodore Schurch becomes the last person to be executed for offences committed under the Treachery Act of 1940 January 7 - Allied recognize Austrian republic with 1937 borders - the country is divided into four occupation... 1946, expansion of the graphite reactor cores, with subsequent bowing and binding of process tubes, had become so serious that B-Reactor was shut down to preserve it while graphite study went forward. The problem, as it turned out, was caused by the efficient heat-removal capacity of the General Name, Symbol, Number Helium, He, 2 Atomic weight 4.002602(2) Chemical series Noble gases Group, Period, Block 18 (VIIIA), 1, p Density (0 °C, 1 atm (101.325 kPa)) 0.179 g/L Appearance colorless Thermal data Melting point (at 2.6 MPa) 0.95 K (-272.2... helium in pile gas atmosphere. Higher temperatures were needed to activate and redistribute the General Name, Symbol, Number Carbon, C, 6 Chemical series Nonmetals Group, Period, Block 14 (IVA), 2, p Density, Hardness 2267 kg/m3 0.5 (graphite) 3516 - 3525 kg/m3 10.0 (diamond) Appearance black (graphite) colourless (diamond) Atomic properties Atomic mass 12.0107 u Atomic radius (calc.) 70 (67) pm... carbon Properties For alternative meanings see atom (disambiguation). An atom ( Greek άτομον) is a microscopic structure found in all ordinary matter around us. Atoms are composed of 3 types of subatomic particles: electrons, which have a negative charge; protons, which have a positive charge; and neutrons... atoms in the graphite's Quartz crystal A crystal is a solid in which the constituent atoms, molecules, or ions are packed in a regularly ordered, repeating pattern extending in all three spatial dimensions. Generally, fluid substances form crystals when they undergo a process of solidification. Under ideal conditions, the result may be a single... crystal In colloquial usage, a lattice is a structure of crossed laths with open spaces left between them. The term is used in various technical senses, all of which have some geometrical relation to the dictionary definition. In one mathematical usage, a lattice is a partially ordered set (poset) in which... lattice. By the late 1940s, the addition of Carbon dioxide is an atmospheric gas composed of one carbon and two oxygen atoms. A very widely known chemical compound, it is frequently called by its formula CO2. Carbon dioxide results from the combustion of organic matter if sufficient amounts of oxygen are present. It is also produced by various... carbon dioxide, with its lower heat-transfer capacity, to the gas atmospheres of the Hanford piles The word anneal has several meanings: In metallurgy and materials science annealing is a heat treatment wherein the microstructure of a material is altered, causing changes in its properties such as strength and hardness. Typically, this results in softening of the metal through removal of crystal defects and the internal... annealed and aided the graphite expansion situation.

Environmental Restoration Disposal Facility (ERDF) Grand Opening Courtesy of DOE File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. Click on date to download the file or see the image uploaded on that date. (del) (cur) 01:41, 17...

Grand opening of the Environmental Restoration Disposal Facility (ERDF)

During the 25 years that followed the energizing of the first Hanford Site production reactor, many other puzzles were solved. In the constant search for operating efficiencies that would boost production, machines were developed that could charge and discharge a reactor while it was operating. Other new procedures cleansed film from reactor tubes during operation, and equipment known as "poison splines" allowed multiple modifications in flux and Heat (abbreviated Q, also called heat change) is the transfer of thermal energy between two bodies which are at different temperatures. The SI unit for heat is the joule. The relationship between heat and energy is similar to that between work and energy. Heat flows between regions that are not... heat distribution as a reactor ran. New configurations and materials in For information on the band, see Fuel (band). Fuel is material with one type of energy which can be transformed into another usable energy. A common example is potential energy being converted into kinetic energy, (as heat and mechanical work). In many cases this is just something that will burn... fuel elements and process tubes allowed power levels nearly ten times those of the Mushroom cloud from the nuclear explosion over Nagasaki rising 18 km (60,000 ft) into the air. August 9, 1945 World War II was a global conflict that started in 7 July 1937 in Asia and 1 September 1939 in Europe and lasted until 1945, involving the majority of the... World War II era. However, while technical operating challenges progressed well in these historic reactors, waste disposal solutions remained elusive, and effluents continued to be released to the Columbia River Gorge, Washington or North side Geography The Columbia River is the largest river in volume flowing into the Pacific Ocean from North America. Its headwaters are located in the Canadian Rockies of British Columbia and the Clark Fork in the State of Montana, named for William Clark of... Columbia River.

Most of Hanford's reactors were shut down in the 1960s but difficult-to-clean-up A Russian fissile material storage facility Radioactive waste is waste material containing radioactive chemical elements which does not have a practical purpose. It is often the product of a nuclear process, such as nuclear fission. Waste can also be generated from the processing of fuel for nuclear reactors or nuclear... nuclear waste still remains at the site. About 10,000 workers work to consolidate, clean up, and mitigate waste, contaminated buildings, and contaminated For the heavy metal band see Soil (band) Soil is the layer of minerals and organic matter, in thickness from centimetres to a metre or more, on the land surface. Its main components are mineral matter, organic matter, moisture, and air. Soils differ in the ratio of these components. Modern... soil. Cleanup to a nationally accepted level will likely take until Centuries: 20th century - 21st century - 22nd century Decades: 1980s 1990s 2000s 2010s 2020s - 2030s - 2040s 2050s 2060s 2070s 2080s Years: 2025 2026 2027 2028 2029 - 2030 - 2031 2032 2033 2034 2035 Predirected events According to U.S. copyright law as of 2004, the song Happy Birthday to You will come... 2030.

Contemporary Hanford

Highway sign on one of the roads entering Hanford Site

Although uranium enrichment and plutonium breeding have been slowly phased out at Hanford, its strong legacy remains in Richland is a city located in Benton County in southeastern Washington, at the confluence of the Yakima River and the Columbia River. As of the 2000 census, the city had a total population of 38,708. History Founded in the early 1900s and incorporated on April 28, 1910, Richland was... Richland, Washington which was created to house Hanford workers. The Herculean feat of feeding the United States' vast nuclear program in an analog world created a strong community of highly skilled scientists and engineers.

Hanford became the location of the The United States Department of Energy (DOE) is a Cabinet-level department of the United States government responsible for energy policy and nuclear safety. Its purview includes the nations nuclear weapons program, nuclear reactor production for the United States Navy, energy conservation, energy-related research, radioactive waste disposal, and... Department of Energy The Pacific Northwest National Laboratory (PNNL) is a one of nine United States Department of Energy multiprogram national laboratories. The laboratory PNNL is located in Richland, Washington and has been operated by the Battelle Memorial Institute for at least 20 years. PNNL was created to support the Manhattan Project during... Pacific Northwest National Laboratory owned by the United States government and operated by The Battelle Memorial Institute is a private, non-profit research company centered in Columbus, Ohio. Battelle has played a major role in the development of projects like the Xerox process and compact disc digital storage. Battelle manages several national laboratories for the United States Department of Energy: The Pacific Northwest... Battelle Memorial Institute just north of Richland, Washington. A map of the site can be found on the Benton County Emergency Services web site. [1] (http://www.bces.wa.gov/hanford%20site%20map.htm)

History of the Hanford Nuclear Site

Contemporary Hanford

References

External link

History of the Hanford Nuclear Site var ACE_AR = {Site: '756743', Size: '300250'};

Contemporary Hanford

References

External link

History of the Hanford Nuclear Site