The deep geological repository concept involves the encapsulation of used nuclear fuel in long-lived engineered casks which are then placed and sealed within excavated rooms in a naturally occurring geological formation at a design depth of 500 to 1000 metres below ground surface. It involves the construction of a vault within stable, low permeability bedrock using conventional mining methods. The bedrock and other engineered barriers would provide a high level of long-term safety. Nuclear fuel is any material that can be consumed to derive nuclear energy, by analogy to chemical fuel that is burned to derive energy. ... A typical dry cask storage system with vertical cylinders Dry cask storage is a method of storing high-level radioactive waste, such as spent nuclear fuel that has already been cooled in the spent fuel pool for at least one year. ... Interstate road cut through limestone and shale strata in eastern Tennessee In geology and related fields, a stratum (plural: strata) is a layer of rock or soil with internally consistent characteristics that distinguishes it from contiguous layers. ... In architecture, a vault is an arched structure of masonry, forming a ceiling or canopy. ... The El Chino Mine located near Silver City, New Mexico is an open-pit copper mine This article is about mineral extraction. ...

The ability of natural geologic barriers to isolate radioactive waste is demonstrated by the Oklo reactors. During their long reaction period about 5.4 tonnes of fission products as well as 1.5 tonnes of plutonium together with other transuranic elements were generated in the ore body. This plutonium and the other transuranics remained immobile until the present day, a span of about 2000 million years. This is quite remarkable in view of the fact that ground water had ready access to the deposits and they were not in a chemically inert form, such as glass. Natural Reactors refer to a handful of Uranium deposits that have been discovered, mostly in Oklo, Gabon. ... General Name, Symbol, Number plutonium, Pu, 94 Chemical series actinides Group, Period, Block n/a, 7, f Appearance silvery white Atomic mass (244) g/mol Electron configuration [Rn] 5f6 7s2 Electrons per shell 2, 8, 18, 32, 24, 8, 2 Physical properties Phase solid Density (near r. ... In chemistry, transuranium elements (also known as transuranic elements) are the chemical elements with atomic numbers greater than 92, the atomic number of Uranium. ... Groundwater is any water found below the land surface. ...

With deep ocean disposal in stable clay in the seabed being excluded for legal and political reasons, there is a strong consensus among all major countries that the deep geological repository is the only possible permanent solution, and this is being studied extensively. Many countries are currently exploring this option to dispose of highly radioactive solid wastes deep underground in purpose built, engineered repositories. Already a number of surface and shallow repositories for less radioactive wastes are in operation. A Russian fissile material storage facility Radioactive waste is waste material containing radioactive chemical elements that does not have a practical purpose. ...

To examine the feasibility of this method, the Waste Isolation Pilot Plant (WIPP) in the United States was authorised in 1998, and in early 1999 the first cubic metres of intermediate level long lived military waste were put for ever into the repository, in a deep stable layer of salt near Carlsbad, New Mexico. This was the first operation of its kind in the world. The Waste Isolation Pilot Plant, or WIPP, is an underground repository that handles the permanent and safe disposal of transuranic radioactive waste that is left from the production of nuclear weapons. ... Carlsbad is a city located in Eddy County, New Mexico. ...

In 1978 The U.S. Department of Energy began studying Yucca Mountain, within the secure boundaries of the Nevada Test Site in Nye County, Nevada, to determine whether it would be suitable for a long-term geologic repository for spent nuclear fuel and high-level radioactive waste. But this project is widely opposed and is a hotly debated topic and has suffered delays due to litigation by The Agency for Nuclear Projects for the State of Nevada (Nuclear Waste Project Office) and others. Yucca Mountain Yucca Mountain is a ridge-line in Nye County, Nevada; composed of volcanic material (mostly tuff) ejected from a now-extinct caldera-forming supervolcano. ... November 1951 nuclear test at Nevada Test Site. ... Nye County is a county located in the state of Nevada. ... The Agency for Nuclear Projects (Nuclear Waste Project Office) is a part of the Nevada state government, under the administration of the governor. ...

In addition to the United States, Belgium, Canada, China, Finland, France, Germany, Japan, Russia, Spain, Sweden, Switzerland, and the United Kingdom support deep geologic disposal as the best method for isolating highly radioactive, long-lived waste.

Of these countries, Belgium, Canada, Finland, France, Germany, Sweden, Switzerland, the United Kingdom, have all performed detailed studies, or characterizations, drilling numerous boreholes and exploratory shafts and ramps in underground research laboratories. All this data will be useful in determining the predicted safety performance of future nuclear waste repository sites. Water borehole in northern Uganda A borehole is a deep and narrow shaft in the ground used for abstraction of fluid or gas reserves below the earths surface. ... Political Punk band from Victorville, Ca WWW.MYSPACE.COM/NUCLEARWASTEX ...

Common elements of potential repository systems include the radioactive waste, the containers enclosing the waste, the tunnels housing the containers, and the geologic makeup, or type of rock, of the surrounding area. Some countries are developing their own repository systems, others are working in collaboration with other nations to develop shared technologies.

Atomic Energy of Canada Limited, for example, operates the Underground Research Laboratory (URL) at Lac-du-Bonnet, Manitoba, constructed by AECL to carry out large-scale testing, engineering demonstrations and performance-assessment-related experiments on key aspects of geological disposal. Atomic Energy of Canada Limited or AECL is a Canadian federal Crown corporation with the responsibility to manage Canadian nuclear policy, promote nuclear energy and research, and to oversee nuclear waste developed by Canadian nuclear reactors as well as manage the decommissioning of older reactors. ...

The process of selecting appropriate deep final repositories is now under way in several countries with the first expected to be commissioned some time after 2010. Sweden is well advanced with plans for direct disposal of spent fuel, since its Parliament decided that this is acceptably safe, using the KBS-3 technology. In Germany, there is a political discussion about the search for an Endlager (final repository) for radioactive waste, accompanied by loud protests especially in the Gorleben village in the Wendland area, which was seen ideal for the final repository until 1990 because its location next to the border to the former GDR. Actually this place is used to store radioactive waste non-permanently. There is also a proposal for an international HLW repository in optimum geology - Australia or Russia are possible locations - however, when the proposal for a global repository for Australia has been raised domestic political objections have been loud and sustained, making such a dump in Australia unlikely KBS-3 (an abbreviation of kärnbränslesäkerhet, nuclear fuel safety) is a technology for disposal of high-level radioactive waste developed in Sweden by Svensk Kärnbränslehantering AB by appointment from Statens Strålskyddsinstitut (the radiation protection agency). ... Lüchow-Dannenberg is a district in Lower Saxony, Germany. ... Disambiguation Page Global Depositary Receipt East Germany ...

But despite a long-standing agreement among experts that geological disposal can be safe, technologically feasible and environmentally sound, a large part of the general public remains sceptical. One of the challenges facing the supporters of these efforts is to demonstrate confidently that a repository will contain wastes for so long that any releases that might take place in the future will pose no significant health or environmental risk. An environment is a complex of external factors that acts on a system and determines its course and form of existence. ...

External links

• U.S. Department of Energy, Office of Civilian Radioactive Waste Management
• Long-Term Low and Intermediate Level Waste Management Study, Ontario Power Generation