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Integrated performance assessments (IPAs) of radioactive waste repositories deep underground are made at different stages of repository development in order, for example, to allow full-scale development, to provide feedback to R&D, and to test and develop review capability. IPA studies must be acceptable to a wide range of stakeholders and are one of the bases for dialogue amongst regulators and implementers of disposal facilities. The goal of the IPAG-2 study was to examine the experience of regulatory reviews of IPAs, from both the implementer and regulator points of view. Ten implementer and seven regulatory organisations participated. This report presents the lessons learnt from their review experiences, and provides recommendations to aid future regulatory decision making.
Radioactive waste disposal in the ground --- Radioactive waste sites --- Dumping sites, Radioactive --- Radioactive dumping sites --- Radioactive waste disposal sites --- Radioactive waste facilities --- Hazardous waste sites --- Risk assessment --- Risk assessment. --- Geological repositories --- Radioactive waste repositories --- Nuclear waste repositories --- Deep geologic repositories --- Deep geologic disposal --- Radioactive waste sites. --- Radioactive waste repositories. --- Geological repositories. --- Geology --- Radioactivity
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Analysis of the long-term safety of radioactive waste repositories, using performance assessment and other tools, is required prior to implementation. The initial stage in developing a repository safety assessment is the identification of all factors that may be relevant to the long-term safety of the repository and their combination to form scenarios. This must be done in a systematic and transparent way in order to assure the regulatory authorities that nothing important has been forgotten. This report is a review of developments in scenario methodologies based on a large body of practical experience in safety assessments. It will be of interest to radioactive waste management experts as well as to other specialists involved in the development of scenario methodologies.
Radioactive waste disposal in the ground -- Risk assessment -- Congresses. --- Radioactive waste disposal in the ground -- Risk assessment. --- Radioactive waste disposal in the ground. --- Radioactive waste repositories -- Congresses. --- Radioactive waste repositories. --- Radioactive waste disposal in the ground --- Radioactive waste repositories --- Environmental Engineering --- Civil & Environmental Engineering --- Engineering & Applied Sciences --- Risk assessment --- Nuclear waste repositories --- Burial of radioactive wastes --- Ground radioactive waste disposal --- Underground radioactive waste disposal --- Geological repositories --- Radioactive waste sites --- Hazardous waste sites --- Waste disposal in the ground --- Radioactive Safety --- Déchets radioactifs --- Dépôts de déchets radioactifs --- Congresses --- Elimination dans le sol --- Evaluation du risque --- Congrès
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Radioactive waste disposal in the ground --- Mine filling --- Sealing (Technology) --- Radioactive waste repositories. --- Safety measures --- Congresses. --- 621.1 --- -Mine filling --- -Sealing (Technology) --- -Radioactive waste repositories --- Nuclear waste repositories --- Geological repositories --- Radioactive waste sites --- Back-filling --- Goafing (Mining) --- Gobbing (Mining) --- Mine stowage --- Packing (Mining) --- Stowage, Mine --- Mining engineering --- Burial of radioactive wastes --- Ground radioactive waste disposal --- Underground radioactive waste disposal --- Hazardous waste sites --- Waste disposal in the ground --- Radioactive waste repositories --- Heat engines in general. Generation, distribution and use of steam. Steam engines. Boilers --- -Congresses --- Congresses --- -Congresses. --- 621.1 Heat engines in general. Generation, distribution and use of steam. Steam engines. Boilers --- Safety measures&delete& --- Radioactive waste disposal in the ground - Safety measures - Congresses. --- Mine filling - Congresses. --- Sealing (Technology) - Congresses.
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621.039 --- Radioactive waste sites --- -Waste gases --- -Radioactive waste repositories --- Nuclear waste repositories --- Geological repositories --- Radioactive waste disposal in the ground --- Exhaust gases --- Gases, Waste --- Gases, Asphyxiating and poisonous --- Dumping sites, Radioactive --- Radioactive dumping sites --- Radioactive waste disposal sites --- Radioactive waste facilities --- Hazardous waste sites --- Applied nuclear science. Atomic energy and atomic industry. Nuclear engineering in general --- Environmental aspects --- -Congresses --- 621.039 Applied nuclear science. Atomic energy and atomic industry. Nuclear engineering in general --- Radioactive waste repositories --- Waste gases --- Environmental aspects&delete& --- Congresses --- GASES --- WASTE STORAGE --- Monograph --- Gases. --- Fluids --- Matter --- Gas laws (Physical chemistry) --- Pneumatics --- Properties
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Radioactive waste disposal in the ground --- Radioactive waste sites --- Formations (Geology) --- Déchets radioactifs --- Congresses --- Elimination dans le sol --- Congrès --- Radioactive waste repositories --- Nuclear waste repositories --- Geological repositories --- Geologic formations --- Geological formations --- Stratigraphic formations --- Geology, Stratigraphic --- Dumping sites, Radioactive --- Radioactive dumping sites --- Radioactive waste disposal sites --- Radioactive waste facilities --- Hazardous waste sites --- Déchets radioactifs --- Congrès --- Congresses. --- Report
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Radioactive waste sites --- Radioactive wastes --- Evaluation --- Congresses --- Management --- Safety measures --- Nuclear wastes --- Radwastes --- Wastes, Nuclear --- Wastes, Radioactive --- Hazardous wastes --- Nuclear engineering --- Radioactive substances --- Dumping sites, Radioactive --- Radioactive dumping sites --- Radioactive waste disposal sites --- Radioactive waste facilities --- Hazardous waste sites --- Congresses. --- Radioactive waste repositories --- Nuclear waste repositories --- Geological repositories --- Radioactive waste disposal in the ground --- Evaluation&delete& --- Management&delete& --- Safety measures&delete&
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A general consensus has been reached among technical experts that high-level radioactive waste can safely be disposed of in deep geological repositories. Safety studies are carried out to evaluate the overall capacity of a particular disposal site to confine waste and minimise radioactive releases. Since the principal way in which radioactive elements might eventually reach the biosphere is by transport of dissolved radionuclides in groundwater, the safety study calculations must be able to estimate their rate of transfer through each of the barriers surrounding the repository. It is well known that, for many radioelements, sorption reactions can lead to a reduction of the amount of radionuclides present in the solution phase. How best to take radionuclide sorption reactions into account in repository performance assessment models is the subject of this book.
Radioactive waste disposal in the ground. --- Radioactive waste management. --- Radioactive waste. --- Radioactive waste disposal in the ground --- Environmental Engineering --- Civil & Environmental Engineering --- Engineering & Applied Sciences --- Burial of radioactive wastes --- Ground radioactive waste disposal --- Underground radioactive waste disposal --- Hazardous waste sites --- Waste disposal in the ground --- Radioactive waste repositories --- Radioactive Waste --- Déchets radioactifs --- Elimination dans le sol
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The concept of removing long-lived radioactive wastes from the human environment by disposal in deep geological repositories was developed several decades ago. In the intervening years, research efforts world-wide have increased our knowledge and understanding of how underground disposal systems will function over very long periods of time. Significant progress has also been made towards implementation of such facilities. There have, however, been delays in the disposal programmes of several countries. This report is a review of developments in the past decade. The primary sources of information are the answers to a questionnaire provided by waste management organisations represented in the NEA Radioactive Waste Management Committee (RWMC). The latter is an international forum of senior specialists from safety authorities, waste management agencies, R&D institutions and policy-making bodies.
Geological repositories. --- Radioactive waste disposal in the ground. --- Seepage. --- Radioactive waste disposal in the ground --- Environmental Engineering --- Civil & Environmental Engineering --- Engineering & Applied Sciences --- Burial of radioactive wastes --- Ground radioactive waste disposal --- Underground radioactive waste disposal --- Hazardous waste sites --- Waste disposal in the ground --- Radioactive waste repositories --- Déchets radioactifs --- Elimination dans le sol --- Radioactive Waste Storing
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Radioactive waste disposal in the ground --- Engineering geology --- Geochemistry --- Hydrogeology --- Géologie appliquée --- Géochimie --- Hydrogéologie --- Geohydrology --- Geology --- Hydrology --- Groundwater --- Engineering --- Civil engineering --- Geology, Economic --- Burial of radioactive wastes --- Ground radioactive waste disposal --- Underground radioactive waste disposal --- Hazardous waste sites --- Waste disposal in the ground --- Radioactive waste repositories --- Chemical composition of the earth --- Chemical geology --- Geological chemistry --- Geology, Chemical --- Chemistry --- Earth sciences
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Radioactive waste disposal in the ground --- Déchets radioactifs --- Congresses --- Elimination dans le sol --- Congrès --- Congresses. --- 622.333 --- -Burial of radioactive wastes --- Ground radioactive waste disposal --- Underground radioactive waste disposal --- Hazardous waste sites --- Waste disposal in the ground --- Radioactive waste repositories --- Coals. Black coal generally --- Burial of radioactive wastes --- 622.333 Coals. Black coal generally --- Déchets radioactifs --- Congrès --- Report --- Radioactive waste disposal in the ground - Congresses
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