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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.
D.H. Berwald, J.W. Rathke, D.L. Bruhwiler, S.L. Mendelsohn, T.J. Myers, C.C. Paulson, M.A. Peacock, C.M. Piaszczyk, E.M. Piechowiak, R.A. Jameson
Fusion Science and Technology | Volume 30 | Number 3 | December 1996 | Pages 1161-1166
Neutron Sources for Fusion Technology Testing | doi.org/10.13182/FST96-A11963105
Articles are hosted by Taylor and Francis Online.
A Conceptual Design Activity (CDA) for the International Fusion Materials Irradiation Facility (IFMIF) will be completed in December 1996. The IFMIF accelerator system, comprising two 125 mA, 40 MeV deuterium accelerators is a key element of the IFMIF facility. This paper describes the status of the accelerator design as of June, 1996.
