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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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Nuclear Science and Engineering
October 2026
Nuclear Technology
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August 2026
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|Panel|Sponsored by NCSD
Tuesday, June 9, 2020|12:00–2:10PM EDT|10
Session Chair:
Deborah A. Hill
Session Organizer:
Alternate Chair:
Ellen M. Saylor
Staff Producer:
John Fabian (American Nuclear Society)
Fundamental to the successful operation of any nuclear site is a first class safety culture which strives to continually improve in response to good industry practices and operating experience feedback. Speakers will provide examples of either specific good practices and / or lessons learned at their site, following which an audience discussion will be initiated on alternative good practice and experiences in these areas.
John Bess
INL
Deborah Hill
UK NNL
Doug Bowen
ORNL
Tyler Lovelace
CNS
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