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Conference Spotlight
2026 ANS Winter Conference & Expo
November 15–18, 2026
Phoenix, AZ|Arizona Grand Resort & Spa
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Latest News
Posiva begins drilling disposal holes at Finland’s Onkalo repository
Last week the Finnish nuclear waste management company Posiva began drilling holes for final disposal at the Onkalo deep geological repository, near the Olkiluoto nuclear power plant in western Finland. The company’s German-made Deposition Hole Boring Machine (DHBM) took about 10 hours to drill the first hole, with a depth of 8.4 meters and a diameter of 1.75 meters, into the 1.9-billion-year-old bedrock. This is the first deposition hole intended for an iron-copper canister containing spent nuclear fuel—though test holes have been drilled at the site since 2022.
The Onkalo repository received a favorable safety assessment from the Radiation and Nuclear Safety Authority of Finland earlier in August.
Technical Session
Wednesday, September 28, 2022|3:50–5:55PM PDT|Harbor
Session Chair:
Mathieu Dupont (ORNL)
Alternate Chair:
Robert E. Grove (ORNL)
Session Organizer:
Thomas M. Miller (ORNL)
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Consistency Among the Results of the ASPIS Iron88, PCA Replica and PCA Benchmark Results
3:50–4:15PM PDT
Ivan A. Kodeli (UKAEA), Steven van der Marck (NRG)
Paper
Attila Benchmark Calculations Using the SINBAD Database
4:15–4:40PM PDT
E. Heritage (Kinectrics), M. Smith (Kinectrics), G. Failla (Silver Fir Software), A. Cooper (Silver Fir Software)
Evaluation of the HCLL Experiment for SINBAD
4:40–5:05PM PDT
Pedro Ortego (SEA)
Presented by Robert E. Grove (ORNL)
Benchmarking of Stainless Steel Cube Neutron Leakage in Research Center Rez
5:05–5:30PM PDT
Michal Kostal (Research Center Rez), Zdeněk Matěj (Masaryk Univ.), Martin Schulc (Research Center Rez), Evžen Losa (Research Center Rez), Jan Šimon (Research Center Rez), Evžen Novák (Research Center Rez), František Cvachovec (Masaryk Univ.), Václav Přenosil (Masaryk Univ.), Filip Mravec (Masaryk Univ.), Tomáš Czakoj (Research Center Rez), Vojtěch Rypar (Research Center Rez), Andrej Trkov (IAEA Nuclear Data Section), Roberto Capote (IAEA Nuclear Data Section)
Health Physics Research Reactor Criticality Accident Alarm System Benchmark Overview
5:30–5:55PM PDT
Mathieu N. Dupont (ORNL)