• 239Pu is usable as fuel in existing thermal reactors, but some minor actinides like 241Am, as well as the non-fissile and less-fertile isotope plutonium-242, are better destroyed in fast reactors, accelerator-driven subcritical reactors, or fusion reactors. (wikipedia.org)
  • Analysis of the stack samples confirmed that a release of the radioactive isotope iodine 131 had occurred. (theyworkforyou.com)
  • Specifically, they are worried about the fact that U.S. spent fuel pools are loaded with a large quantity of fuel assemblies that have been used to generate power and thus contain radioactive isotopes, including cesium-137, a gamma emitting isotope with a 30-year half life. (atomicinsights.com)
  • What you're reading took numerous hours of research over many days to discover the theoretical timeline of Plutonium radioactive isotope leakage at the Fukushima Daiichi facility. (blogspot.com)
  • Moreover, irradiation of boron dissolved in the coolant water creates hydrogen-3, i.e. tritium, the radioactive isotope of hydrogen. (medialternatives.com)
  • Radioactive fallout from a nuclear reactor can be considered in two groups: isotopes of the noble gases (xenon, krypton-133) are radioactive elements with a very low chemical reactivity, relatively short half-lives, are not retained by the body and they remain and become dispersed in the air without ground deposition. (apjjf.org)
  • The second and more dangerous radioactive fallout group is represented by mainly the radioactive isotopes of iodine, cesium, and tellurium. (apjjf.org)
  • it is a man-made element whose isotopes Am-237 through Am-246 are all radioactive. (cdc.gov)
  • On March 23, experts were asked, on television and in the press, about the blue neutron beam, and stated that it might be due to the presence of uranium and plutonium radioactive isotopes, and an indication of spontaneous random re-criticality. (blogspot.com)
  • The spread of airborne contamination is unlikely to be evenly distributed due to many variables including the prevailing winds, the altitude the contamination reaches before dispersion and the time period of release. (apjjf.org)
  • They assert that the potential radioactive contamination problem associated with the material in the spent fuel pools could be reduced by moving assemblies that have been out of reactors for more than five years into licensed dry storage containers. (atomicinsights.com)
  • Although U.S. nuclear power plant regulators monitor operational safety, natural hazards (such as hurricanes, floods, and earthquakes), human error, mechanical failure, and design flaws can still trigger the release of radioactive contamination. (nrdc.org)
  • Increased levels of radionuclides, such as cesium-137, cobalt-60 and americium-241 were also found in soil samples around the complex, suggesting radioactive contamination of agricultural products for human consumption. (hibakusha-worldwide.org)
  • Removing clothing can eliminate up to 90% of radioactive contamination. (smartraveller.gov.au)
  • The organisation has previously drawn attention to routine Tritium releases and the resulting contamination of borehole water and the water table surrounding Koeberg, in its submissions on the environmental impact of a previous project known as Nuclear 1 - is now concerned about further issues which have emerged from an informal forensic study of the discharge. (medialternatives.com)
  • Long-lived fission products (LLFPs) are radioactive materials with a long half-life (more than 200,000 years) produced by nuclear fission of uranium and plutonium. (wikipedia.org)
  • These "new" radioactive substances are called nuclides, which are so dangerous that, if inhaled, even just a thousandth of a gram of Plutonium-239 induces massive fibrosis of the lungs and can cause death within days (A pinch of uranium, a touch of technocracy and a lot of luck, by Richard Pollack). (umich.edu)
  • As the local newspaper, the Tri-City Herald, reports, this has happened multiple times in the last five years, such as when a building demolition released plutonium dust that blew for miles, or when plutonium and americium particles contaminated workers' cars, including a rental later returned to the company. (uchicago.edu)
  • The first nuclear reactors were built to produce weapons-grade plutonium and the first British nuclear bombs were produced in 1952. (hibakusha-worldwide.org)
  • As a result, nearly 10 tons of radioactive fuel inside the reactor caught fire and burned uncontrollably for two days, polluting the atmosphere with radionuclides such as plutonium, cesium, strontium and iodine. (hibakusha-worldwide.org)
  • Experts like Michio Kaku mentioned that Plutonium could be released from the MOX fuel, and then when the explosions began occurring so often (beginning on March 12), many nuclear experts stated that plutonium is a byproduct of the nuclear fission process. (blogspot.com)
  • Plutonium was detected on 3/25 and 3/28, but the only reason we know this is from a minor footnote from a JAIF document which was only recently released on April 8th. (blogspot.com)
  • On March 30th, the IAEA and a US dept of Energy official both documented possible Plutonium release in their statements. (blogspot.com)
  • New isotopic data confirm that reactor-derived plutonium overwhelms input from Northern Hemisphere fallout at this site. (bvsalud.org)
  • This suggests that plutonium release from sediments during stratification is not the dominant mechanism driving plutonium cycling in the pond. (bvsalud.org)
  • Regarding releases to air and water leakage from Fukushima, the main radionuclide from among the many kinds of fission products in the fuel was volatile iodine-131, which has a half-life of 8 days. (world-nuclear.org)
  • f.e. been hearing of exposed/non-exposed MOX/regular rods/cores in 1/2/3 reactors and anyway Fukushima 1 insides are not in a pretty shape after that explosion with 1tn reinforced concrete slabs flying for 100m. (blogspot.com)
  • TV footage showed smoke rising from Fukushima plant's reactor 3, a day after an explosion hit reactor 1. (blogspot.com)
  • Following the Fukushima nuclear meltdowns in 2011, the British government decided to at least cease producing MOX at Sellafield, but with no way of disposing of the spent fuel, Sellafield is more and more turning into a radioactive waste dump. (hibakusha-worldwide.org)
  • In order to gather the most thorough evidence to date, we poured through countless news stories from Japan and the World, as well as official press releases from TEPCO, NRC documents, Areva status documents, and a JAIF report in order to determine the truth at Fukushima. (blogspot.com)
  • March 13 o Second explosion at Fukushima o http://www.youtube.com/watch?v=D7crIPPhmVI * o http://english.kyodonews.jp/news/2011/03/77451.html o The plant operator, Tokyo Electric Power Co., commonly known as TEPCO, began injecting fresh water into the No. 3 reactor on Sunday after coolant water levels fell, while letting out radioactive steam to relieve pressure that had built up inside. (blogspot.com)
  • March 14 o http://www.tepco.co.jp/en/press/corp-com/release/11040901-e.html o Extreme pressure at #3 per TEPCO chronology dated April 9th 2011 * o Two new explosions at Fukushima and high radiation. (blogspot.com)
  • In an exclusive ExopoliticsTV interview by Alfred Lambremont Webre released May 9, 2011, independent scientist Leuren Moret has stated that the Fukushima HAARP tectonic nuclear attack was done by an international racketeering war crimes network within the U.S. Central Intelligence Agency (CIA), Department of Energy (DOE), and BP (British Petroleum) on behalf of City of London bankers. (amfir.com)
  • Note that in the case of a release of radioactivity from a power reactor or used fuel, only some elements are released. (wikipedia.org)
  • At about 10.45 am on Sunday 4 October 1981 the radioactivity monitor on the exhaust stack from the magnox fuel separation plant at British Nuclear Fuels Limited (BNFL) site at Sellafield, Cumbria gave a warning of an abnormally high release of radioactivity. (theyworkforyou.com)
  • According to the Nuclear Industry Association of South Africa (NIASA) "The greatest source of radioactivity in the reactor coolant circuit is, however, irradiation of the coolant itself. (medialternatives.com)
  • As is well known, a nuclear reactor releases radioactive gases like tritium, argon, xenon, carbon14 and iodine, regularly during normal operations, mainly through its 100 meters high stack. (countercurrents.org)
  • This allowed pressure to build up in at least one of the reactors cores to about 50% higher than normal (unit 1), and requires venting of very mildly radioactive steam (contains trace levels of tritium). (blogspot.com)
  • Refueling releases a huge radioactive emissions plume The reactor pressure vessel (RPV) in which heat is generated by the fission of uranium atoms is like a pressure cooker. (countercurrents.org)
  • When the reactor is depressurised and opened to refuel once a year, these gases escape creating a spiked emission and a large radioactive plume downwind of the station. (countercurrents.org)
  • The plume of deadly radioactive dust was just a harmless steam discharge, residents were told. (uchicago.edu)
  • Luckily, prevailing wind patterns blew most of the radioactive plume out to sea. (hibakusha-worldwide.org)
  • An event at a nuclear power plant could release dangerous levels of radiation over an area (called a plume). (smartraveller.gov.au)
  • Radioactive materials in the plume from the nuclear power plant can settle and contaminate people who are outdoors, buildings, food, water, and livestock. (smartraveller.gov.au)
  • What happens when a plume is released? (smartraveller.gov.au)
  • A large proportion of radiation exposure is from inhaling particles from the radioactive plume as it passes during the early stages of a radioactive material release. (smartraveller.gov.au)
  • Radioactive material will be deposited on the ground as the plume passes. (smartraveller.gov.au)
  • Only about 1-2% of the uranium in fuel rods is actually used up in a reactor. (apjjf.org)
  • The particular JCO plant at Tokai was commissioned in 1988 and processed up to 3 tonnes per year of uranium enriched up to 20% U-235, a much higher enrichment level than for ordinary power reactors, using a wet process. (world-nuclear.org)
  • On 30 September three workers were preparing a small batch of fuel for the Joyo experimental fast breeder reactor, using uranium enriched to 18.8% U-235. (world-nuclear.org)
  • Control samples produced as 1µm size uranium oxide particles are described for the calibration of the instrumental techniques when applied for the characterisation of environmental radioactive particles. (tib.eu)
  • But when a neutron strikes the nucleus of certain atoms-uranium, for example-this atomic center can break into pieces in a process called nuclear fission, releasing enormous energy in the form of heat and radiation. (nrdc.org)
  • The energy released from the fission of uranium atoms heats water, which produces steam. (nrdc.org)
  • About 56 used (spent) fuel assemblies will be removed from the reactor pressure vessel (RPV) and 56 fresh assemblies will be inserted. (countercurrents.org)
  • Furthermore, the reactor pressure vessel may also melt leaking the melted fuel which may escape into the environment if the primary and secondary containment structures (concrete) have been damaged. (apjjf.org)
  • Until 1971, Hanford's radioactive reactor effluent was discharged straight into the Columbia River, which has long been a vital waterway to the nearby towns of Richland, Pasco, and Kennewick, referred to today as the Tri-Cities. (uchicago.edu)
  • The marine environment of the Irish Sea also suffered from the disaster, as well as from countless other spills, leaks, incidents and the deliberate or accidental discharge of radioactive effluent. (hibakusha-worldwide.org)
  • Those that pose the greatest health threat are Cesium-137 (half-life 30 years) and Iodine-131 (half- life 8 days). (apjjf.org)
  • Cesium takes between 10 days and 100 days for half of it to be excreted from the body so there is significant hazard once it is absorbed. (apjjf.org)
  • In 2004 and 2005, 83,000 liters of radioactive acid leaked into the North Sea, containing carcinogens such as strontium-90 and cesium-137. (hibakusha-worldwide.org)
  • Other fission products with similar half-lives have much lower fission product yields, lower decay energy, and several (151Sm, 155Eu, 113mCd) are also quickly destroyed by neutron capture while still in the reactor, so are not responsible for more than a tiny fraction of the radiation production at any time. (wikipedia.org)
  • Pond storage is provided at nuclear power stations and reactor sites mainly to allow the iodine 131 in irradiated fuel to decay to an acceptably low level. (theyworkforyou.com)
  • The inspectorate advise me that, in the light of its investigations, steps are being taken to ensure that no irradiated fuel will be moved from nuclear power stations to Windscale for reprocessing until it has been stored for at least 90 days, to allow the radio-iodine to decay. (theyworkforyou.com)
  • 2. The concern is providing emergency cooling water to the reactor cores to remove decay heat from the fuel rods. (blogspot.com)
  • the rate of decay of radioactive material expressed as the number of atoms breaking down per second measured in units called becquerels or curies . (cdc.gov)
  • the amount of a radioactive material that will undergo one decay (disintegration) per second. (cdc.gov)
  • Nickel, since it has 30 neutrons, loses a proton and gains a neutron to become radioactive Cobalt-58, which itself experiences its own decay chain. (medialternatives.com)
  • spores, etc. (vi) Extra terrestrial substances (vii) Volcanic eruption-releasing CO, H2S, SO 2 etc. (viii) Decay products of natural organic or inorganic substances. (cyberpointsolution.com)
  • During December 2016, the world's first Generation-III pressusrized water reactor (PWR)at Kudamkulam Nuclear Power Plant (KKNPP) in India will be shut down for its second refueling. (countercurrents.org)
  • The National Research Reactor suffered a failure that shut down the facility due to operational poor decisions and a chain reaction that the operators we unable to control. (umich.edu)
  • All reactors responded by insertion of control rods to shut down their nuclear reactions. (blogspot.com)
  • The reactors shut down as designed and the core cooling systems kicked in, again as designed, powered by the diesel generators. (johndearmond.com)
  • Over the next few years, a few reactors are scheduled to be shut down , including California's last nuclear reactor in 2025. (nrdc.org)
  • Some reactors are being shut down before their operating licenses expire because of a combination of safety concerns and economic competition. (nrdc.org)
  • I began investigating Chernobyl in the late 1980s after Ukrainian friends insisted authorities in the USSR were covering up the extent of the human tragedy of those - many of them children - contaminated by radiation when the nuclear plant's Reactor 4 exploded, blasting a cloud of poisonous fallout across the USSR and a large swathe of Europe. (uchicago.edu)
  • There is also often some leakage from fuel elements of fission products, including noble gases and iodine-131. (world-nuclear.org)
  • The water that was used to extinguish the fire evaporated, adding to the radioactive emissions. (hibakusha-worldwide.org)
  • Examples of the characterisation in terms of morphology, structure, elemental and isotopic composition of radioactive environmental particles detected in sediments and soil samples from different origin are illustrated. (tib.eu)
  • Some of the most dangerous radioactive elements known to man are created in nuclear power plants. (umich.edu)
  • The idea is that any steam released, either through relief valves or through a fault inside the primary containment would be conducted through the downcomers (the diagonal pipes that lead to the torus) and into the sparger system (the series of pipes shown in the torus cut-away) inside the torus that releases the steam underwater where it immediately condenses. (johndearmond.com)
  • Then the LPSI takes over and cools the reactor until there is no more steam. (johndearmond.com)
  • It cools the torus and the reactor after steam pressure is reduced to 15 psi or less and during cold shutdown. (johndearmond.com)
  • This act triggered an explosion which destroyed the reactor core and released the reactor fuel. (umich.edu)
  • After the hydrogen explosion in unit 1 on 12 March, some radioactive caesium and iodine were detected in the vicinity of the plant, having been released via the venting. (world-nuclear.org)
  • Further I-131 and Cs-137 and Cs-134 were apparently released during the following few days, particularly following the hydrogen explosion at unit 3 on 14 March and at unit 4 on 15 March. (world-nuclear.org)
  • Considerable amounts of xenon-133 and iodine-131 were vented, but most of the caesium-137 (14 out of 15 PBq total) along with most of the Cs-134 apparently came from unit 2 on or after 15 March - the only one of the four units which did not suffer a hydrogen explosion demolishing its superstructure. (world-nuclear.org)
  • There was no explosion, though fission products were progressively released inside the building. (world-nuclear.org)
  • If there is a loss of water or a failure of replenishment, the spent fuel will overheat and catch fire, releasing its radiotoxic contents. (apjjf.org)
  • These elements form fine suspended particles in the air (aerosols), which due to their weight will gradually end up falling on the ground when released into the air, contaminating all vegetation, clothing and any other surfaces including water sources. (apjjf.org)
  • People fished in it, and unsuspecting bathers swam in it, attracted to the warmer water near the reactors, where the temperature rose by as much as five degrees. (uchicago.edu)
  • To make up for the loss of water, there are redundant HPSI ("hipsee") and LPSI ("lipsee") pumps (high and low pressure safety injection pumps) located in alcoves off the reactor building under the torus (not shown). (johndearmond.com)
  • Fifty workers stayed back to pump sea water in the N-reactors. (earthrainbownetwork.com)
  • that is, air, water and soil can become repositories for chemicals released on a daily basis from human activities and natural actions. (health.mil)
  • They become radioactive due to neutron bombardment as they circulate through the reactor with the primary circuit cooling water. (medialternatives.com)
  • Nuclear fission produces fission products, as well as actinides from nuclear fuel nuclei that capture neutrons but fail to fission, and activation products from neutron activation of reactor or environmental materials. (wikipedia.org)
  • The 1999 Tokaimura accident occurred in a small fuel preparation plant operated by JCO (formerly Japan Nuclear Fuel Conversion Co.), a subsidiary of Sumitomo Metal Mining Co. The plant supplied various specialised research and experimental reactors and was not part of the electricity production fuel cycle. (world-nuclear.org)
  • In fission, the nuclear fuel is placed in a nuclear reactor core and the atoms making up the fuel are broken into pieces, releasing energy. (nrdc.org)
  • In the north of Ukraine, then a Soviet republic, Chernobyl nuclear power plant was a thriving extensive enterprise served by the purpose-built town of Pripyat when on April 26th, 1986, reactor No 4 exploded, vaporising about five per cent of the core and spewing radioactive flames and gases high into the air. (drb.ie)
  • France's authorities hid information about the radioactive cloud over its territory, and Hans Blix, then director general of the International Atomic Energy Authority (IAEA)- still accused of minimising the dangers following the catastrophe- released a statement that settlements around Chernobyl would "be safe for residents" before long. (uchicago.edu)
  • That's why power plants use "control rods" that absorb some of the released neutrons, preventing them from causing further fissions. (nrdc.org)
  • On the late afternoon of 7 October BNFL advised the NIL DOE and MAFF that iodine 131 had been detected, by monitoring, in samples of milk gathered at two farms within a 2-mile radius of the Sellafield site. (theyworkforyou.com)
  • On 16 March, Japan's Nuclear Safety Commission recommended local authorities to instruct evacuees under 40 years of age leaving the 20 km zone to ingest stable iodine as a precaution against ingestion ( e.g. via milk) of radioactive iodine-131. (world-nuclear.org)
  • Milk that had been radioactively contaminated with iodine-131 was banned in the region for several weeks and two million liters were dumped into the Irish sea. (hibakusha-worldwide.org)
  • This situation has changed as the German Green Party parliamentarians forced the government to provide the half hourly data of release of radionuclides by the Gundremmingen NPP -in Bavaria, during its refueling operation in September 2011. (countercurrents.org)
  • This can lead to degradation of the reactor fuel, resulting in radionuclides being released out of the reactor vessel and potentially into the atmosphere. (smartraveller.gov.au)
  • Radionuclides will bind to small particles in the air when released into the atmosphere. (smartraveller.gov.au)
  • The shadowed fission products have yields on the order of one millionth as much as iodine-129. (wikipedia.org)
  • It emits beta particles of low to medium energy but no gamma rays, so has little hazard on external exposure, but only if ingested. (wikipedia.org)
  • Exposure to ionizing radiation can also be by direct radiation from the plants and fuels themselves, though not released to the environment. (world-nuclear.org)
  • Exposure to deposited material may present a long-term hazard following the incident. (smartraveller.gov.au)
  • Since the Linear No-Threshold (LNT) model of radiation exposure states there is 'no threshold beyond which radiation should be considered safe', KAA consequently disputes the baseline findings of SRK Consulting, and thus the drafters of the initial report commissioned by the Pebble-bed Modular Reactor Company, to determine possible impact of the demonstration unit Koeberg. (medialternatives.com)
  • If uncontrolled, that chain reaction could produce so much heat that the nuclear reactor core itself could actually melt and release dangerous radiation. (nrdc.org)
  • Leading critic, Dr. Henry W Kendall of Massachusetts Institute of Technology, MIT, once said that "the uncontrolled release of even 5 of 10% of the core inventory could bring instantaneous death to persons up to 60-100 miles from a large fission-power reactor. (umich.edu)
  • Note that the longer fuel is irradiated in the reactor core, the more radioactive it becomes due to the build-up of fission by-products which also contaminate the fuel limiting its usable life. (apjjf.org)
  • Even as radiation spewed out of the plant from the burning reactor core, local people told John and me how they had seen Communist apparatchiks in the area spirit their families to safety in Moscow while the residents were being urged to carry on as if nothing had happened. (uchicago.edu)
  • If one of those reactors has an older core that even at this late date goes uncovered for a few hours (maybe less, maybe more, depending on core age, and a relatively fresh core indeed may be out or nearly out of the woods by now), that's trouble in Sendai city, and I mean with a capital T (well, S, but the important thing is how you get the answer). (blogspot.com)
  • During one such release on October 7, 1957, faulty temperature gauges and gross misjudgment by the staff caused an overheating of the core. (hibakusha-worldwide.org)
  • True disclosure of that information only came out in the TEPCO press release on April 9th and through the Japanese Educational website about the disaster and reactor status (April 8th). (blogspot.com)
  • equivalent to releases from four bombs like the one dropped on Hiroshima. (drb.ie)
  • In assessing the significance of atmospheric releases, the Cs-137 figure is multiplied by 40 and added to the I-131 number to give an 'iodine-131 equivalent' figure. (world-nuclear.org)
  • Trained by the Tennessee Valley Authority to operate this same type of reactor. (johndearmond.com)
  • And while keeping a nuclear reactor operating for 80 years is itself unprecedented, the NRC is already discussing a third round of license extensions to allow reactors to operate for 100 years. (nrdc.org)
  • An earlier study by Dr Pugazhendi and Padmanabhan also showed significant increase of thyroid anomalies among the women in reproductive age in villages within 50 km of the reactor site. (countercurrents.org)
  • Inside, it is filled with tips like "Six Facts You Need to Know About KI-Potassium Iodide" (No. 1: it can protect your thyroid if you are exposed to radioactive iodine) and "helpful answers" to questions like "Could Indian Point explode like a bomb? (ipsecinfo.org)
  • Iodine-131 is a beta emitter and is absorbed into the blood stream through inhalation and ingestion and concentrated by the thyroid gland where it is highly carcinogenic, predominantly in young people under 18 years of age. (apjjf.org)
  • Iodine is readily taken up by the body and accumulates in the thyroid gland. (world-nuclear.org)
  • Others had heart defects, and thyroid cancers thought to have been caused by radioactive iodine. (uchicago.edu)
  • The U.S. Institute for Resource and Security Studies has called Sellafield "one of the world's most dangerous concentrations of long-lived radioactive materials. (hibakusha-worldwide.org)
  • The amount released to the atmosphere was very small because safety precautions came into play. (theyworkforyou.com)
  • The loss of safety functions can lead to an inability to cool the reactor, resulting in radioactive materials being released into the atmosphere. (smartraveller.gov.au)
  • It refers to the release into the atmosphere of materials in concentrations that are harmful to human beings, plants, animals and buildings cr other objects. (cyberpointsolution.com)
  • The release from the stack of iodine 131, which had been measured at about 1.9 curies in the first 24 hours after the abnormal level was identified, had declined to about 0.4 curies per day by the morning of 8 October and has continued to decline. (theyworkforyou.com)
  • Careful surveillance, including monitoring of further releases of iodine still within the plant, continued. (theyworkforyou.com)
  • At about 4 pm on that day, BNFL also informed the Nuclear Installations Inspectorate that further investigations had revealed a breach of a technical plant operating limit on 4 October in that irradiated fuel containing an excessive quantity of iodine 131 had been fed to the dissolver. (theyworkforyou.com)
  • This is only a hazard for those on the plant site, and the level diminishes with distance from the radioactive source. (world-nuclear.org)
  • It is the chief hazard for the plant workers, who wear film badges so that the dose can be monitored. (world-nuclear.org)
  • In 1999 three workers received high doses of radiation in a small Japanese plant preparing fuel for an experimental reactor. (world-nuclear.org)
  • Their premise is that the public will be better protected if the NRC requires nuclear plant operators to reduce the density of their spent fuel pools and limit the amount of material that could potentially be released. (atomicinsights.com)
  • Spent fuel pool safety was enhanced at U.S. reactors when licensees implemented new NRC requirements to develop strategies for spent fuel pool cooling following losses of large areas of the plant due to fires, explosions, or extreme natural events. (atomicinsights.com)
  • The ability to cool the reactor is compromised when the safety functions of the nuclear power plant are lost or degraded. (smartraveller.gov.au)
  • INFORMATION released by environmental organisation Koeberg Alert Alliance (KAA), point to ongoing reactor design problems associated with normal operations at the plant. (medialternatives.com)
  • A pipe comes straight off the reactor with no isolation valves and only one spring operated normally open block valve to the turbine. (johndearmond.com)
  • an assessment of radioactive materials that may be present inside a person's body through analysis of the person's blood, urine, feces, or sweat. (cdc.gov)
  • Radioactive materials can also get inside the body if people breathe them in or eat or drink something that is contaminated. (smartraveller.gov.au)
  • Grout materials are commonly used to immobilize low-level radioactive waste. (bvsalud.org)
  • Also spent much time in the reactor basement under the Torus calibrating various instrument systems. (johndearmond.com)
  • Even the pro-nuclear International Atomic Energy Agency (IAEA) has had to admit that Windscale was a major contributor to radioactive pollution of the Atlantic Ocean. (hibakusha-worldwide.org)
  • I am satisfied that this incident, although resulting in a release of iodine 131 has caused no hazard to public health. (theyworkforyou.com)
  • It would thus take 70 days to become half as radioactive, another 70 days to become a quarter and so on, and is thus radioactive for months. (medialternatives.com)
  • A 1982 analysis by a congressional subcommittee estimated that, under worst-case conditions, a catastrophe at one of the Indian Point reactors could result in fifty thousand fatalities and more than a hundred thousand radiation injuries. (ipsecinfo.org)
  • This building was designed with the intent to withstand the tremendous energy of a massive release from an accident of some unknown origin," Slobodien told me, picking up one of the photographs. (ipsecinfo.org)
  • The first nuclear accident at Chalk River, a Canadian reactor co-operated with the United States and Great Britain, occurred on December 12, 1952. (umich.edu)
  • Five years later, the Chalk River Reactor had another accident. (umich.edu)
  • The SL-1 or Stationary Low-Power Reactor Number One, was the first fatal nuclear accident in the United States. (umich.edu)
  • This is the time when majority of the scientists and reactor personnel avail their well-deserved annual holidays. (countercurrents.org)
  • I am writing this text (Mar 12) to give you some peace of mind regarding some of the troubles in Japan, that is the safety of Japan's nuclear reactors. (blogspot.com)
  • While the energy produced in a nuclear reactor could also be used in other industrial and chemical processes, these other uses have not been adopted (except in some isolated cases), due to concerns over safety, security, and cost. (nrdc.org)
  • The 1000 MW WWER reactor, a joint venture of Russia's Rosatom and the Nuclear Power Corporation of India Ltd (NPCIL) was grid connected three years ago. (countercurrents.org)
  • There are two functioning reactors on the site, Indian Point 2 and 3, and a third, Indian Point 1, which has been closed for nearly thirty years. (ipsecinfo.org)
  • Four years on, and it was still highly radioactive," John said. (uchicago.edu)
  • It was JCO's first batch of fuel for that reactor in three years, and no proper qualification and training requirements had been established to prepare those workers for the job. (world-nuclear.org)
  • The NRC has approved a license renewal for more than 75 percent of U.S. nuclear reactors, the average age of which is currently 40 years old. (nrdc.org)
  • His property was confiscated, and he is prohibited from exercising his political rights and assuming any managerial position for five years fol-lowing his release. (wiseinternational.org)
  • Radioactive releases are measured by the amount of (radio)activity in the material, and quoted in Becquerels. (world-nuclear.org)
  • But radioactive material getting into the general public does not need autonomy. (uchicago.edu)
  • Staying inside is your best protection immediately after a large release of radioactive material. (smartraveller.gov.au)
  • [ 1 ] The main challenge was adapting the existing models, whose primary focus was containing a hazardous material release, to one that reflected the chaos of a large-scale disaster involving a large number of affected individuals. (medscape.com)
  • A fire in 1957, as well as numerous accidents and radioactive leaks, have polluted the environment and exposed the population to increased levels of radiation. (hibakusha-worldwide.org)
  • If we'd stopped producing in 1945, we'd have a minuscule amount [of radioactive waste] compared to what's out there in those tanks now," Franklin says. (uchicago.edu)
  • The neutrons that are released by one atomic fission go on to fission other nuclei, triggering a chain reaction that produces heat, radiation, and radioactive waste products. (nrdc.org)
  • Radioisotopes such as cobalt-58, cobalt-60 and silver-110m arise as a result of wear or corrosion of reactor components. (medialternatives.com)