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Conference Spotlight
2025 ANS Winter Conference & Expo
November 9–12, 2025
Washington, DC|Washington Hilton
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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Nuclear Science and Engineering
October 2025
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September 2025
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A webinar, and a new opportunity to take ANS’s CNP Exam
Applications are now open for the fall 2025 testing period for the American Nuclear Society’s Certified Nuclear Professional (CNP) exam. Applications are being accepted through October 14, and only three testing sessions are offered per year, so it is important to apply soon. The test will be administered from November 12 through December 16. To check eligibility and schedule your exam, click here.
In addition, taking place tomorrow (September 19) from 12:00 noon to 1:00 p.m. (CDT), ANS will host a new webinar, “How to Become a Certified Nuclear Professional.” More information is available below in this article.
International High-Level Radioactive Waste Management Conference
Technical Session
Tuesday, November 15, 2022|1:00–2:45PM MST|Lantana
Session Chair:
Teresa Portone (Sandia)
Alternate Chair:
Chun Chang (LBNL)
Session Organizer:
Emily R. Stein
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Review of Groundwater Flow and Transport Modeling at DOE's Legacy Sites for Improving the Fidelity of Performance Assessments
1:00–1:20PM MST
Haruko M. Wainwright (MIT), Amy Jordan (Neptune), Laren Foster (Neptune), Steve Yabusaki (PNNL), Philip Long (LBNL), Stefan Finsterle (Finsterle GeoConsulting), Paul Black (Neptune)
Paper
Use of Virtual Tracers in Repository Performance Assessment Modeling
1:20–1:40PM MST
Paul E. Mariner (Sandia), Eduardo Basurto (Sandia), Dusty M. Brooks (Sandia), Rosie C. Leone (Sandia), Teresa Portone (Sandia), Laura P. Swiler (Sandia)
Sensitivity and Uncertainty Analysis of FMD Model Choice for a Generic Crystalline Repository
1:40–2:00PM MST
Dusty Brooks (Sandia), Laura Swiler (Sandia), Paul Mariner (Sandia), Teresa Portone (Sandia), Eduardo Basurto (Sandia), Rosie Leone (Sandia)
Effects of Discrete Fracture Network Modeling Choices on Repository Performance Characteristics
2:00–2:20PM MST
Mariah Smith (Sandia), Teresa Portone (Sandia), Laura Swiler (Sandia)
Validation of the Sampling Methodology of Statistical Fracture Network Realizations for Three-Dimensional Nuclide Transport Analysis
2:20–2:40PM MST
Fumiko Yoshida (Nuclear Waste Mgmt. Org. Japan), Hiroyuki Umeki (Nuclear Waste Mgmt. Org. Japan), Hiromitsu Saegusa (Nuclear Waste Mgmt. Org. Japan), Kazuaki Mitsuyama (QJ Science), Hirokazu Takahashi (QJ Science), Wataru Haneishi (QJ Science), Hiroyasu Takase (QJ Science)
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