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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
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!
Latest Magazine Issues
Apr 2025
Jan 2025
Latest Journal Issues
Nuclear Science and Engineering
June 2025
Nuclear Technology
May 2025
Fusion Science and Technology
Latest News
Sam Altman steps down as Oklo board chair
Advanced nuclear company Oklo Inc. has new leadership for its board of directors as billionaire Sam Altman is stepping down from the position he has held since 2015. The move is meant to open new partnership opportunities with OpenAI, where Altman is CEO, and other artificial intelligence companies.
19th International Conference on Probabilistic Safety Assessment and Analysis (PSA 2025)
Technical Session|Sponsored by NISD
Wednesday, June 18, 2025|1:00–2:45PM CDT|Northwestern/Ohio State
Session Chair:
Karl N. Fleming
Alternate Chair:
Daniel K. Sluder
Session Organizer:
David Grabaskas
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NRC-RES' Sitewide, All Hazards Level 3 PRA Project: Integrated Site Risk for Two-Unit Site
1:00–1:20PM CDT
Susan E. Cooper (U.S. Nuclear Regulatory Commission), Brian Wagner (USNRC), Erick Ball (USNRC), Keith Compton (USNRC), Trey Hathaway (USNRC), Alan Kuritzky (USNRC)
Paper
Development of a Supportive Decision-Making Tool for Multi-Unit Small Modular Reactors
1:20–1:40PM CDT
Gulcin Sarici Turkmen (The Ohio State University), Tunc Aldemir (The Ohio State University)
NRC-RES' Sitewide, All Hazards Level 3 PRA Project: Approach and Results for Multi-Unit Level 1 Risk
1:40–2:00PM CDT
Susan E. Cooper (U.S. Nuclear Regulatory Commission), Alan Kuritzky (USNRC)
Repair Outage Risk Assessment of Loviisa NPP - Update, Conclusions and Utilization
2:00–2:20PM CDT
Rasmus T. Hotakainen (Fortum Power and Heat Oy), Ilkka Paavola (Fortum Power and Heat Oy), Taisto Laato (Fortum Power and Heat Oy)
Special Considerations and Lessons Learned for the Conduct of LPSD Hazard PRAs for ALWRs
2:20–2:40PM CDT
Caitlin R. Gainey (GE Hitachi Nuclear Energy), Tyra Gordon (GE Hitachi Nuclear), Zoheb Sajjad (GE Hitachi Nuclear)
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