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  • 2016:31 Measures and method characteristics for early evaluation of safe operation in nuclear power plant control room systems

    The Swedish Radiation Safety Authority’s (SSM) experience is that there is a need to develop evaluation methods in parallel with the development of control rooms in conjunction with construction modifications ... aspect is that conventional methods of evaluating control rooms and issues need to be reexamined. SSM has previously provided funding for several individual research projects regarding evaluation of control...

    Innehållstyp: Publikationer
  • 2013:33 Technical Note, Seismology – Frequencies and mechanisms. -Initial review phase

    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
  • 2012:10 Technical Note, Review of the Geomicrobiological Aspects of SKB’s Licence Application for a Spent Nuclear Fuel Repository in Forsmark, Sweden

    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
  • 2010:42 Using the EPRI Risk-Informed ISI Methodology on Piping Systems in Forsmark 3

    In the SSM regulation SSMFS 2008:13, it is stated that the selection of locations for inspection of mechanical components shall be based upon the risk for core damage or the risk of release of radioactive ... outcome with the presently used qualitative risk procedure on Forsmark 3. Patrick O’Regan, Jim Moody, Jan Lötman and Johan Sandstedt SSM English In the SSM regulation SSMFS 2008:13, it is stated that the selection...

    Innehållstyp: Publikationer
  • 2009:12 Evaluating safety-critical organizations – emphasis on the nuclear industry

    The regulator identified a few years ago a need for a better understanding of and a deeper knowledge on methods for evaluating safety critical organisations. There is a need for solid assessment methods ... safety focus. Teemu Reiman and Pia Oedewald SSM English The regulator identified a few years ago a need for a better understanding of and a deeper knowledge on methods for evaluating safety critical organisations...

    Innehållstyp: Publikationer
  • 2015:20 The effects of mild, acute hypoxia on cognitive performance

    sufficient oxygen (that is, less than 21% oxygen which is the approximate oxygen level of normal air), on cognitive performance of persons working under such conditions are important to investigate. This report ... method at the Swedish nuclear power plant of Forsmark Kraftgrupp AB. Martin Castor, Jonathan Borgvall SSM English Room air with reduced oxygen levels that prevent materials to ignite and combust is a cost-effective...

    Innehållstyp: Publikationer
  • 1999:13 Determination of the Neutron and Photon Dose Equivalent at Work Places in Nuclear Facilities of Sweden

    Various mixed neutron-photon fields at workplaccs in the containment of pressurised water reactors and in the vicinity of transport containers with spent fuel elements were investigated with spectrometers ... ambient dose eqUivalent (DE) values of the rather soft neutron fields encountered at these workplaces. The discrepancies can, however, be explained on the basis of energy dependent responses of the instruments...

    Innehållstyp: Publikationer
  • 2022:03 Effect of Neutron Irradiation on the Oxidation and Corrosion of Austenitic Stainless Steels

    SSM perspective Background Reactor pressure vessel internal components of austenitic stainless steel located close to the core are subject to a high neutron flux. Irradiation by fast neutrons induces changes ... regarding the effect of neutron irradiation on the metal oxidation and initiation of irradiation assisted stress corrosion cracking. Results The oxides formed on stainless steel exposed in the core region...

    Innehållstyp: Publikationer
  • Strålsäkerhetsmyndigheten svarar på remiss om slutförvar vid Forsmark

    Strålsäkerhetsmyndigheten (SSM) har svarat på regeringens remiss rörande Svensk Kärnbränslehantering AB:s (SKB) ansökan om att uppföra ett slutförvar för använt kärnbränsle vid Forsmark. Myndigheten anser ... medför några skäl till att ändra myndighetens tidigare bedömningar kring SKB:s förutsättningar att uppfylla SSM:s föreskriftskrav. SSM anser heller inte att någon ytterligare redovisning kring LOT-försöken är...

    Innehållstyp: Nyheter
  • 2021:20 Effects of additives on UO2 fuel behavior: expanded edition

    SSM perspective Background The Swedish Radiation Safety Authority (SSM) follows the development of nuclear fuel closely. Fuel with additives like chromia and gadolinia is used in Swedish reactors and fuel ... development. This project is an in-depth study of data and models regarding the impact of additives on the properties of uranium dioxide fuel for light water reactors. The report is an update and expansion...

    Innehållstyp: Publikationer