ANS is committed to advancing, fostering, and promoting the development and application of nuclear sciences and technologies to benefit society.
Explore the many uses for nuclear science and its impact on energy, the environment, healthcare, food, and more.
Division Spotlight
Radiation Protection & Shielding
The Radiation Protection and Shielding Division is developing and promoting radiation protection and shielding aspects of nuclear science and technology — including interaction of nuclear radiation with materials and biological systems, instruments and techniques for the measurement of nuclear radiation fields, and radiation shield design and evaluation.
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!
Latest Magazine Issues
Jun 2025
Jan 2025
Latest Journal Issues
Nuclear Science and Engineering
July 2025
Nuclear Technology
June 2025
Fusion Science and Technology
Latest News
Nominations open for CNTA awards
Citizens for Nuclear Technology Awareness is accepting nominations for its Fred C. Davison Distinguished Scientist Award and its Nuclear Service Award. Nominations for both awards must be submitted by August 1.
The awards will be presented this fall as part of the CNTA’s annual Edward Teller Lecture event.
19th International Conference on Probabilistic Safety Assessment and Analysis (PSA 2025)
Technical Session|Sponsored by NISD
Tuesday, June 17, 2025|1:00–2:45PM CDT|Chicago Ballroom C
Session Chair:
Ha H. Bui
Alternate Chair:
Rawan Mustafa
Session Organizer:
David Grabaskas
To access paper attachments, you must be logged in and registered for the meeting.
Register NowLog In
Fire PRA Human Failure Event Dependency Considerations with FLEX
1:00–1:20PM CDT
Dillon Sanders (Engineering Planning & Management, Inc.), Casey Weiser (Duke Energy Corporation)
Paper
Extending A Mathematical Equation for Quantification of FLEX Action Dependencies
1:20–1:40PM CDT
Yochan Kim (Korea Atomic Energy Research Institute), Jaewhan Kim (Korea Atomic Energy Research Institute), Jinkyun Park (Korea Atomic Energy Research Institute)
Applying the SPAR-H Human Reliability Methodology to FLEX Strategies
1:40–2:00PM CDT
Sergio Courtin (Univ. Politécnica de Madrid), César Queral (Univ. Politécnica de Madrid)
Overview of Credible Dependent Failure Mechanism (CDFM) Dependency Methodology - A New EPRI HRA Dependency Method
2:00–2:20PM CDT
Eric Thornsbury (EPRI), Kaydee Gunter (Jensen Hughes), Jeff Julius (Jensen Hughes), Annika Macleod (Jensen Hughes), Davide Mercurio (Jensen Hughes), Pierre Macheret (Jensen Hughes)
To join the conversation, you must be logged in and registered for the meeting.
