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  • 2014:38 Technical Note, Detailed assessment of radionuclide Kd-values for the geosphere-main review phase

    The Swedish Radiation Safety Authority (SSM) is reviewing an application submitted by the Swedish Nuclear Fuel and Waste Management Company (SKB) in 2011 to construct and operate a deep geologic repository for spent nuclear fuel at the Forsmark site in the municipality of Östhammar, Sweden. SKB has presented details of its long-term safety assessment, SR-Site, in a main report (SKB, 2011,...

    Innehållstyp: Publikationer
  • 2013:36 Technical Note, Review and assessment of aspects of the Qeq concept – Main Review Phase

    This technical review assignment considers the models and abstractions that Swedish Nuclear Fuel and Waste Management Company (SKB) developed to represent transport of dissolved constituents in the near field at the Forsmark site, in particular the Qeq abstraction for diffusive transport. SKB uses the Qeq parameter to scale concentration gradients in order to estimate dissolved-species fluxes...

    Innehållstyp: Publikationer
  • 2013:13 Review of Dismantling Costs - Nuclear Installations

    In this study three reviews of cost assessments for some smaller nuclear installations are presented for which nuclear waste liabilities shall be accrued according to the Financing Act (Lag (2006:647) om finasiella åtgärder för hanteringen av restprodukter från kärnteknisk verksamhet). It is expected that these reviews will contribute to develop premium quality assessments...

    Innehållstyp: Publikationer
  • 2012:67 Technical Note, Hydrogeological modelling of the Forsmark site

    A modelling study has been conducted using discrete-fracture network (DFN) models in combination with discrete-feature hydrogeological modelling methods for representation of other potentially conductive features such as the disturbed zone around repository tunnels. The principal results consist of hydraulic and transport property estimates for discrete-fracture network (DFN) models on block...

    Innehållstyp: Publikationer
  • 2012:52 Technical Note, Shear movement of near-field rock due to large earthquakes

    The review assignment concentrates on the possible impact of large earthquakes on the shear deformation of large fractures in the repository volume. For this purpose a general review of some of SKB‘s top-level reports was carried out. The reports draw a generally consistent and to a considerable extend comprehensive picture of the potential impact on the repository integrity in case of the...

    Innehållstyp: Publikationer
  • 2014:05 Technical Note, Assessment of flows to deposition holes – Main Review Phase

    SKB’s conceptual model for flow through the fractured rock at Forsmark is based on a division between highly fractured deformation zones (described in terms of deterministic geometry), and the more sparsely fractured rock (described in terms of statistical geometry). The model for the highly fractured deformation zones includes several assumptions that are not strongly supported by data,...

    Innehållstyp: Publikationer
  • 2014:41 Technical Note, Review of Radionuclide Abstraction and Selection in the SKB Safety Case -Main Review Phase

    As part of the Swedish Radiation Safety Authority (SSM) review of the Swedish Nuclear Fuel and Waste Management Company (SKB) SR-Site safety assessment for a spent nuclear fuel repository in Sweden, this technical note documents the Center for Nuclear Waste Regulatory Analyses (CNWRA®) review of the abstraction and selection of radionuclides in the SKB safety case. Specifically, CNWRA...

    Innehållstyp: Publikationer
  • 2012:65 Technical Note, Review of the Nuclear Criticality Safety of SKB’s Licensing Application for a Spent Nuclear Fuel Repository in Sweden

    The Swedish Nuclear Fuel and Waste Management Company in 2011 applied to the Swedish government for approval of a proposed solution for disposal of used fuel from Swedish nuclear power reactors and some relatively minor quantities of other fissile material. This Technical Note contains results of a recent nuclear criticality safety review of the overall prospects of the application being able...

    Innehållstyp: Publikationer
  • 2012:64 Finansiella aspekter vid avveckling av kärnkraftverk (BWR)

    I studien presenteras i vilka situationer som en parametrisk ansats är tillämplig. Resonemang sätts in i en autentisk kontext genom att referenser görs till de förberedande aktiviteter som idag genomförs vid Barsebäcksverket. En tentativ slutsats är att den valda metoden är lämplig för att göra uppskattningar av de framtida kostnader...

    Innehållstyp: Publikationer