The long-term safety and performance analyses of the surface disposal facility for the Belgian category A waste at Dessel

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ONDRAF/NIRAS, the Belgian Agency for Radioactive Waste and Enriched Fissile Materials, and its partners have developed long-term safety and performance analyses in the framework of the license application for a surface disposal facility for low level radioactive waste (category A waste) at Dessel, Belgium. This paper focusses on the methodology of the safety assessments and on key results from the application of this methodology. An overview is given (1) of the performance analyses for the containment safety function of the disposal system and (2) of the radiological impact analyses confirming that radiological impacts are below applicable reference values and constraints and leading to radiological criteria for the waste and the facility. In this discussion, multiple indicators for performance and safety are used to illustrate the multi-faceted nature of long-term performance and safety of the surface disposal. This contributes to the multiple lines of reasoning for confidence building that a positive decision to proceed to the next stage of construction is justified.


Original languageEnglish
Title of host publicationProceedings of the 15th International Conference on Environmental Remediation and Radioactive Waste Management - ICEM2013 (on CD)
Place of PublicationUnited States
Publication statusPublished - Sep 2013
EventICEM 2013 - 15th International Conference On Environmental Remediation And Radioactive Waste Management - ASME, Belgoprocess, SCK•CEN, Brussels, Belgium
Duration: 8 Sep 201312 Sep 2013


ConferenceICEM 2013 - 15th International Conference On Environmental Remediation And Radioactive Waste Management


  • safety strategy, Long-term safety, surface disposal facility, radioactive waste, cAt, radiological impact

ID: 262108