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Considering timescales in the post-closure safety of geological disposal of radioactive waste. [prep.] Organisation for Economic Co-operation and Development Nuclear Energy Agency

Katkıda bulunan(lar): Organisation for Economic Co-operation and Development Nuclear Energy Agency Nuclear Energy Agency | OECD Nuclear Energy Agency | Organisation for Economic Co-operation and DevelopmentDil:İngilizce Seri kaydı: OECD Nuclear Energy AgencyRadioactive waste managementYayın ayrıntıları: Paris OECD NEA c2009Fiziksel Tanımlama: 159 p. ill. 27 cmISBN: 9789264060586Konu(lar): Radioactive pollution | Radioactive waste disposal in the ground -- Safety measures | Disposicion de residuos radiactivosDDC sınıflandırma: 621.4838 CON 2009 LOC sınıflandırması:TD898.2 | .C658 2009Çevrimiçi kaynaklar: Connect to this title online Also issued electronically via the World Wide Web; OECD subscription required; PDF reader required for full text.
İçindekiler:
General considerations in the handling of issues of timescales -- Repository siting and design and the levels of protection required in regulation -- National policies in the planning of pre- and post-closure actions -- Developing and presenting a safety case -- Conclusions and recommendations.
Özet: A key challenge in the development of safety cases for the deep geological disposal of radioactive waste is handling the long time frame over which the radioactive waste remains hazardous. The intrinsic hazard of the waste decreases with time, but some hazard remains for extremely long periods. This report reviews the current status and ongoing discussions of this issue, addressing such issues as ethical principles, the evolution of the hazard over time, uncertainties in the evolution of the disposal system (and how these uncertainties themselves evolve), the stability and predictability of the geological environment, repository planning and implementation including regulatory requirements, siting decisions, repository design, the development and presentation of safety cases and the planning of pre- and post-closure institutional controls such as monitoring requirements.--Publisher's description.
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"NEA no. 6424".

Includes bibliographical references (p. 97-102).

General considerations in the handling of issues of timescales -- Repository siting and design and the levels of protection required in regulation -- National policies in the planning of pre- and post-closure actions -- Developing and presenting a safety case -- Conclusions and recommendations.

A key challenge in the development of safety cases for the deep geological disposal of radioactive waste is handling the long time frame over which the radioactive waste remains hazardous. The intrinsic hazard of the waste decreases with time, but some hazard remains for extremely long periods. This report reviews the current status and ongoing discussions of this issue, addressing such issues as ethical principles, the evolution of the hazard over time, uncertainties in the evolution of the disposal system (and how these uncertainties themselves evolve), the stability and predictability of the geological environment, repository planning and implementation including regulatory requirements, siting decisions, repository design, the development and presentation of safety cases and the planning of pre- and post-closure institutional controls such as monitoring requirements.--Publisher's description.

Also issued electronically via the World Wide Web; OECD subscription required; PDF reader required for full text.

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