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

    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 ... draw a generally consistent and to a considerable extend comprehensive picture of the potential impact on the repository integrity in case of the unlikely event of a large earthquake close to the repository...

    Innehållstyp: Publikationer
  • 2012:38 Technical Note, Radiological effects on non-human biota - initial review

    The focus of this review was SKB’s assessment of radiological effects on non-human biota in SR-Site according to present regulations and guidance from SSM and it was conducted by Karolina Stark at the ... biota, and the integration of human and non-human biota dose assessment. These gaps question the scientific soundness and quality of SR-Site. Clarifications are also needed regarding the use of the ERICA...

    Innehållstyp: Publikationer
  • 2012:57 Technical Note, Shear movement of near-field rock due to large earthquakes

    for Swedish Radiation Safety Authority (SSM) by external experts to assist with the Initial Review Phase. The overall goal of the Initial Review Phase is for SSM to achieve a broad coverage of the information ... (CNWRA®) staff have reviewed the numerical modelling that SKB performed to quantify potential slip on existing fractures due to an earthquake. SKB has determined that canister damage due to an earthquake...

    Innehållstyp: Publikationer
  • 2012:61 Geochemical Constraints on Buffer Pore Water Evolution and Implications for Erosion

    PCO2, SiO2(aq) and Na/Ca in groundwaters (and any future intruding glacial meltwaters) in the near-field at the site. This conclusion would not be evident from modelling approaches using mixing only. Modelling ... suggesting that the buffer may be partially altered prior to glacial meltwater intrusion. David Savage SSM English Mineralogical data from the Forsmark Site show that smectite and calcite occur at all depths...

    Innehållstyp: Publikationer
  • 2012:25 Workshop on Seismology

    of issues that not is fully understood and therefore suggested to be dealt with in more detail later on. However, it is necessary to look at these issues in the context of the overall safety case, in particular ... them in a quantitative fashion. Ove Stephansson, Lena Sonnerfelt, Hilmar Bungum and Conrad Lindholm SSM English This report summarizes the issues discussed at the workshop and extracts the essential viewpoints...

    Innehållstyp: Publikationer
  • 2012:46 Technical Note, Review of Landscape Models used in SR-Site

    As part of SSMs Initial Review phase of SKB’s SR-Site safety assessment for the proposed final disposal of spent nuclear fuel at the Forsmark site, Quintessa was given the assignment to consider whether ... Quintessa’s review. SKB’s approach to the biosphere assessment for SR-Site seeks to undertake estimations of radiological risk in a manner that is ‘as realistic as possible’. This has built on a substantial...

    Innehållstyp: Publikationer
  • 2012:32 Technical Note, Groundwater Chemistry in SKB’s Safety Assessment SR-Site: Initial Review

    This preliminary review of SR-Site is focused specifically on the treatment of groundwater chemistry in the description of the Forsmark site and in the long-term safety of a deep geological repository ... present-day groundwater system has evolved over the long-term due to the effects of environmental changes on groundwater movements. Groundwater chemistry data and interpretations in the SDM have contributed to...

    Innehållstyp: Publikationer
  • 2012:43 Technical Note, Literature review of groundwater flow in permafrost

    The Swedish Radiation Safety Authority (SSM) assigned the task of compiling the state of the knowledge with respect to groundwater flow in permafrost conditions. In particular, the study was to consider ... (i) the main processes related to groundwater flow in permafrost were understood, (ii) appropriate field data was available, and (iii) current models appropriately represent the conceptual models. The study...

    Innehållstyp: Publikationer
  • 2012:33 Technical Note, Review of Groundwater Chemistry in SKB’s Safety Assessment SR-Site

    This initial review examined SKB’s characterization of groundwater chemistry at the Forsmark site and its evolution during long time periods under different possible climates in the future. The review ... appropriate. The review is based on information provided by SKB in the main report of the SR-Site project and in various main and supporting references for the safety report. Overall, SKB’s acquisition and interpretation...

    Innehållstyp: Publikationer
  • 2012:30 Technical Note, Initial review of physical properties and processes of the buffer and backfill. THM and other physical processes

    The Swedish Radiation Safety Authority (SSM) reviews the Swedish Nuclear Fuel Company’s (SKB) applications under the Act on Nuclear Activities (SFS 1984:3) for the construction and operation of a repository ... As part of the review, SSM commissions consultants to carry out work in order to obtain information on specific issues. The results from the consultants’ tasks are reported in SSM’s Technical Note series...

    Innehållstyp: Publikationer