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Division Spotlight
Nuclear Criticality Safety
NCSD provides communication among nuclear criticality safety professionals through the development of standards, the evolution of training methods and materials, the presentation of technical data and procedures, and the creation of specialty publications. In these ways, the division furthers the exchange of technical information on nuclear criticality safety with the ultimate goal of promoting the safe handling of fissionable materials outside reactors.
Meeting Spotlight
2025 ANS Annual Conference
June 15–18, 2025
Chicago, IL|Chicago Marriott 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
Webinar: MC&A and safety in advanced reactors in focus
Towell
Russell
Prasad
The American Nuclear Society’s Nuclear Nonproliferation Policy Division recently hosted a webinar on updating material control and accounting (MC&A) and security regulations for the evolving field of advanced reactors.
Moderator Shikha Prasad (CEO, Srijan LLC) was joined by two presenters, John Russell and Lester Towell, who looked at how regulations that were historically developed for traditional light water reactors will apply to the next generation of nuclear technology and what changes need to be made.
Norihisa Saito, Yumiko Tsuchiya, Seiji Yamamoto, Yoshie Akai, Tadasu Yotsuyanagi, Masafumi Domae, Yosuke Katsumura
Nuclear Technology | Volume 155 | Number 1 | July 2006 | Pages 105-113
Technical Paper | Radioactive Waste Management and Disposal | doi.org/10.13182/NT06-A3749
Articles are hosted by Taylor and Francis Online.
In order to elucidate the dissolution/deposition behavior of corrosion products in supercritical-water-cooled reactor (SCWR) coolant, chemical thermodynamics calculation was carried out, taking into account the electrochemical properties of supercritical water. The review of thermodynamics models revealed the applicability of the modified HKF model for ionic species in the supercritical region. Using the calculation results, potential-pH diagrams were drawn for metal/water systems, which exhibited the effect of temperature and pressure on the stability of oxide in the SCWR core region.
