special nuclear material


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special nuclear material

[′spesh·əl ′nü·klē·ər mə′tir·ē·əl]
(nucleonics)
Fissionable and related material controlled directly by the Atomic Energy Commission, such as uranium enriched in the isotopes 235U and 233U, and plutonium.
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References in periodicals archive ?
Specifically, the acquisition of special nuclear material required to make a nuclear weapon is too difficult to overcome, but the ease of moving chemical precursors is minimal, especially considering the dual-use nature of most chemicals.
* Application of IAEA safeguards to any material or facilities proposed to be exported, material or facilities previously exported, and to any special nuclear material used in or produced through the use thereof (these are not full-scope safeguards, but safeguards required under Article III.
When it came out last July, 16 months after Abraham's appearance before the subcommittee, the report called the current weapons complex "neither robust, nor agile, nor responsive, with little evidence of a master plan,' It recommended consolidating all special nuclear material into one location, as a way to improve security and cut costs.
While the focus of this discussion is on special nuclear materials, another aspect of this problem--the possible theft of an actual nuclear weapon--cannot be ruled out under present conditions in the FSU.
The technical definition is any radioactive material (except special nuclear material) yielded in or made radioactive by exposure to radiation incident to producing or using special nuclear material, and the tailings or wastes produced by extracting or concentrating uranium or thorium from any ore processed primarily for its source material content.
MIT's bill for special nuclear materials totaled $187,000 - almost entirely for material in dead storage.
These are the areas in the superblock where special nuclear materials (mainly plutonium) are kept.
The National Nuclear Security Administration (NNSA) has been informed by Los Alamos National Laboratory that proper procedures were not followed in shipping small quantities of special nuclear material to both Lawrence Livermore National Laboratory and the Savannah River National Laboratory last week.
The Corps contractor unearthed U-233 at the Parks site, which is considered a special nuclear material. In sufficient quantities, U-233 can be used in the production of a clandestine fissile bomb.
As requested, this report provides information on (1) security incidents that compromised or potentially compromised classified information, (2) incidents involving the loss of or failure to properly account for special nuclear material (highly enriched uranium or plutonium) and radiological material, (3) nuclear safety concerns at the laboratory, (4) safety accidents involving LANL employees or contractor personnel, and (5) project management weaknesses that may have resulted in significant cost overruns.
The Corps shut down cleanup of the 44-acre site along Route 66 at Kiskimere Drive in 2011 after unearthing more special nuclear material than its contractor or cleanup plans were prepared to handle.
"Restricted data" means "all data concerning (1) design, manufacture, or utilization of atomic weapons; (2) the production of special nuclear material; or (3) the use of special nuclear material in the production of energy." Restricted data, however does not "include data declassified or removed from the Restricted Data [sic] category" pursuant to the AEA.

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