Site Investigations of Potential Repository Sites in Sweden

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6LWH,QYHVWLJDWLRQVRI3RWHQWLDO5HSRVLWRU\6LWHVLQ6ZHGHQ Peter Wikberg1, Kaj Ahlbom2, Olle Olsson3 Swedish Nuclear Fuel and Waste Management Co, SKB $%675$&7 The Swedish nuclear waste management programme has entered the site investigation phase. Early 2002 SKB received permission from the municipalities of Östhammar and Oskarshamn to perform site investigations for a potential deep geologic repository for spent nuclear fuel. The goal of the site investigation phase is to obtain a permit to build the deep repository for spent nuclear fuel. In parallel with the investigations, consultations will be held with county administrative boards, regulatory authorities and municipalities, as well as with members of the public. 

,1752'8&7,21 In 1992 the Swedish Nuclear Fuel and Waste Management Co. (SKB) presented a new strategy for siting of a repository for deep geological disposal of spent nuclear fuel /1/. The programme is divided in three major phases; Feasability studies, Site investigations, and Detailed Characterisation, see Figure 1. Nynäshamn?? Älvkarleby Hultsfred Tierp

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Oskarshamn Östhammar Nyköping (Malå) (Storuman)

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)LJXUH. Siting phases in the Swedish programme. From 1992 to the end of 2000 SKB had completed feasibility studies of eight municipalities. The selected municipalities were generally judged to have good geological prospects and were not opposed to such studies. In two of these municipalities, Storuman and Malå, feasibility studies were followed by referendums in 1995 and 1997, regarding the question of further participation in the siting process. The inhabitants in both these municipalities rejected further participation. The feasibility studies were undertaken with the objective to make a detailed assessment of the prospect of establishing a deep repository in the municipality. The studies included geological 1 2 3

Site Manager in Oskarshamn, PL 300, SE-572 95 Oskarshamn, Sweden; [email protected] Site Manager in Forsmark SE-742 03 Östhammar, Sweden; [email protected] Head of Site Investigations, P.O.Box 5864, SE-10240 Stockholm, Sweden, [email protected]

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conditions, review of available infrastructure, land use and environmental aspects, as well as societal and economic effects on the community of a potential repository. In addition they included a consultation process with the municipalities and their inhabitants as well as the county administrative boards, neighbouring municipalities and the safety authorities. In December 2000 SKB presented an integrated account of the method to use for final disposal of spent nuclear fuel, the selection of sites and programme for the site investigation phase /2/. The proposal was to proceed with site investigations in three of these communities where feasibility studies had been made. After review by the regulatory agencies the Swedish Government in November 2001 endorsed SKB:s proposal to be