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Nuclear Nonproliferation Policy
The mission of the Nuclear Nonproliferation Policy Division (NNPD) is to promote the peaceful use of nuclear technology while simultaneously preventing the diversion and misuse of nuclear material and technology through appropriate safeguards and security, and promotion of nuclear nonproliferation policies. To achieve this mission, the objectives of the NNPD are to: Promote policy that discourages the proliferation of nuclear technology and material to inappropriate entities. Provide information to ANS members, the technical community at large, opinion leaders, and decision makers to improve their understanding of nuclear nonproliferation issues. Become a recognized technical resource on nuclear nonproliferation, safeguards, and security issues. Serve as the integration and coordination body for nuclear nonproliferation activities for the ANS. Work cooperatively with other ANS divisions to achieve these objective nonproliferation policies.
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International Conference on Mathematics and Computational Methods Applied to Nuclear Science and Engineering (M&C 2025)
April 27–30, 2025
Denver, CO|The Westin Denver Downtown
Standards Program
The Standards Committee is responsible for the development and maintenance of voluntary consensus standards that address the design, analysis, and operation of components, systems, and facilities related to the application of nuclear science and technology. Find out What’s New, check out the Standards Store, or Get Involved today!
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Latest News
TerraPower begins U.K. regulatory approval process
Seattle-based TerraPower signaled its interest this week in building its Natrium small modular reactor in the United Kingdom, the company announced.
TerraPower sent a letter to the U.K.’s Department for Energy Security and Net Zero, formally establishing its intention to enter the U.K. generic design assessment (GDA) process. This is TerraPower’s first step in deployment of its Natrium technology—a 345-MW sodium fast reactor coupled with a molten salt energy storage unit—on the international stage.
Robert J. Kurzeja, Charles E. Murphy Jr., Robert W. Taylor
Fusion Science and Technology | Volume 14 | Number 2 | September 1988 | Pages 1111-1114
Tritium Safety | doi.org/10.13182/FST88-A25287
Articles are hosted by Taylor and Francis Online.
An unplanned release of 168,000 Ci of elemental tritium (HT) and 4700 Ci of tritium oxide (HTO) occurred on July 31, 1987 from the Savannah River Plant. The oxide fraction in the exhaust stack was determined to be 2.7%. The air concentrations of HT and HTO were also measured at 43 downwind locations. The oxide fraction varied between 2 and 3% at the plant boundary (12 miles downwind) and between 0.3% and 84% at greater downwind distances (15 to 40 miles). The increased variability of the oxide fraction with downwind distance is attributed to exchange of oxide with surface vegetation and to turbulent transfer between the surface and the boundary layer. These results are relevant to a recent study of HT oxidation based on downwind changes in the HT/HTO ratio (Bardolle, 1981).
