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Conference Spotlight
2026 ANS Annual Conference
May 31–June 3, 2026
Denver, CO|Sheraton Denver
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Nuclear Science and Engineering
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WIPP: Lessons in transportation safety
As part of a future consent-based approach by the federal government to site new deep geologic repositories for nuclear waste, local communities and states that are considering hosting such facilities are sure to have many questions. Currently, the Waste Isolation Pilot Plant in New Mexico is the only example of such a repository in operation, and it offers the opportunity for state and local officials to visit and judge for themselves the risks and benefits of hosting a similar facility. But its history can also provide lessons for these officials, particularly the political process leading up to the opening of WIPP, the safety of WIPP operations and transportation of waste from generator facilities to the site, and the economic impacts the project has had on the local area of Carlsbad, as well as the rest of the state of New Mexico.
Technical Session
Monday, September 15, 2025|1:00–2:40PM CDT|Grand Salon AB
Session Chair:
Satoshi Gunji
Alternate Chair:
Brittany M. Williamson
Session Organizer:
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The Pre-service Inspections for the Static Experiment Critical Facility (STACY)
1:00–1:20PM CDT
Kenta Hasegawa (JAEA), Masakazu Seki (JAEA), Eiju Aizawa (JAEA), Masato Sumiya (JAEA), Tomoki Yoshikawa (JAEA), Tomoyuki Maekawa (JAEA), Junichi Ishii (JAEA), Shouhei Araki (JAEA), Kazuhiko Izawa (JAEA), Satoshi Gunji (JAEA)
Paper
Design of Heterogenous Core Configurations with Concrete Rods in the Modified STACY Facility
1:20–1:40PM CDT
B. Dechenaux (ASNR), M. Brovchenko (ASNR), S. Gunji (JAEA), S. Araki (JAEA), K. Suyama (JAEA)
Critical Experiment Analyses in the Modified STACY Core Simulating Fuel Debris
1:40–2:00PM CDT
Shigeki Shiba (Nuclear Regulatory Authority of Japan), Satoshi Gunji (JAEA), Kazuhiko Izawa (JAEA)
Experiments on Concrete-Loaded Core in the Modified STACY
2:00–2:20PM CDT
Shouhei Araki (JAEA), Yu Arakaki (JAEA), Tomoyuki Maekawa (JAEA), Yutaka Kamikawa (JAEA), Kenta Hasegawa (JAEA), Tomoki Yoshikawa (JAEA), Yuta Tada (JAEA), Masato Sumiya (JAEA), Masakazu Seki (JAEA), Eiju Aizawa (JAEA), Junichi Ishii (JAEA), Kazuhiko Izawa (JAEA), Daiki Shiba (NRA), Shigeki Shiba (NRA), Satoshi Gunji (JAEA)
Studies of Nuclear Criticality Safety of Fuel Debris using the Modified STACY Critical Assembly
2:20–2:40PM CDT
Gunji S. (JAEA), Araki S. (JAEA), Yoshikawa T. (JAEA), Arakaki Y. (JAEA), Aizawa E. (JAEA), Seki M. (JAEA), Ishii J. (JAEA), Izawa K. (JAEA), Shiba S. (NRA), Iwahashi D. (NRA)
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