Little, R., Avis, J., Garisto, N., Humphreys, Paul, King, F., Metcalfe, R., Penfold, J., Ramlakan, A., Suckling, P. and Towler, G. (2011) Postclosure Safety Assessment. Technical Report. NWMO, Ontario, Canada., Canada.

Ontario Power Generation (OPG) is proposing to build a Deep Geologic Repository (DGR) for Low and Intermediate Level Waste (L&ILW) near the existing Western Waste Management Facility at the Bruce nuclear site in the Municipality of Kincardine, Ontario. The Nuclear Waste Management Organization, on behalf of OPG, is preparing the Environmental Impact Statement (EIS) and Preliminary Safety Report (PSR) for the proposed repository.
The postclosure safety assessment evaluates the long-term safety of the proposed facility and provides supporting information for the EIS and PSR. Other aspects of the DGR work program (e.g., operational safety, inventory, facility design, site characterization and geosynthesis) are considered in separate technical reports. The PSR provides an integrated collection of arguments and evidence gathered from all these technical reports to demonstrate the safety of the DGR system.
This report provides a technical summary of the work undertaken and results obtained for the assessment of the postclosure radiological and non-radiological safety of the DGR. In particular, it provides an overview of the system assessed, and presents the scenarios evaluated and the key results from their detailed analyses. It identifies the main uncertainties and how they have been addressed.

Postclosure-Safety-Assessment.pdf - Published Version
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