PThe Post-closure Radiololgical - NEA Radioactive Waste Managemen

Foreword
Acknowledgements
Table of contents
High-level findings
	Background
	Key findings
		Statement to the Swedish government
			Presentation of safety arguments
			Safety assessment methods
			Completeness
			Handling of remaining issues
			Selection of site and disposal method
			Feasibility
1. Introduction
	1.1 Background on the Swedish spent fuel disposal programme
	1.2 The context and purpose of SR-Site
	1.3 Remit of the international peer review
	1.4 Organisation and conduct of the review
	1.5 Organisation of this report
2. Findings according to the remit of the review
	2.1 Overall statement to the Swedish government
	2.2 Findings in specific areas identified in the ToR
		2.2.1 Presentation of safety arguments
		2.2.2 Safety assessment methods
		2.2.3 Completeness
		2.2.4 Handling of remaining issues
		2.2.5 Selection of site and disposal method
		2.2.6 Feasibility
3. Summary of findings, recommendations and conclusions in key technical areas
	3.1 Geosphere
		3.1.1 Geological conditions in the target area
		3.1.2 Hydrogeological and transport conditions
		3.1.3 Geochemical and biogeochemical conditions
		3.1.4 Rock mechanical conditions
	3.2 Buffer and backfill
	3.3 Copper canister
	3.4 Fuel and cladding
	3.5 Biosphere
	3.6 Practical implementation
		3.6.1 Underground constructions
		3.6.2 Deposition hole rejection criteria
		3.6.3 Feasibility of initial state and industrial production
		3.6.4 Management issues
		3.6.5 Document and data control
		3.6.6 Quality assurance process
	3.7 Performance assessment
		3.7.1 Safety assessment methodology
		3.7.2 Credibility of scenarios
		3.7.3 Corrosion failure
		3.7.4 Shear failure
		3.7.5 Evaluation of the total system performance assessment results
	3.8 Performance confirmation and best available technique (BAT)
		3.8.1 Performance confirmation
		3.8.2 Best available technique (BAT)
	3.9 Societal aspects
		3.9.1 Public outreach, input and consent
		3.9.2 Continuity of knowledge
4. Detailed findings from the review of specific technical aspects
	4.1 Geosphere
		4.1.1 Geological conditions in target area
		4.1.2 Hydrogeological and transport conditions
		4.1.3 Geochemical and biogeochemical conditions
		4.1.4 Mechanical conditions
	4.2 Buffer and backfill
		4.2.1 Safety functions
		4.2.2 Design premises and reference design
		4.2.3 Internal processes
		4.2.4 Appropriateness of the RD&D programme of SKB
		4.2.5 Concluding remarks
		4.2.6 Summary of IRT evaluation of buffer and backfill
	4.3 Copper canister
		4.3.1 Canister design
		4.3.2 Corrosion
		4.3.3 Corrosion failure
		4.3.4 Canister design load
		4.3.5 Summary of IRT evaluation of copper canister corrosion
	4.4 Fuel and cladding
		4.4.1 Initial state of fuel
		4.4.2 Safety functions for retardation
		4.4.3 Spent fuel dissolution rate
		4.4.4 Evaluation of spent fuel degradation processes left out of the safety assessment
		4.4.5 Summary of IRT comments and findings related to spent fuel
	4.5 Biosphere
		4.5.1 General description of the SKB biosphere model
		4.5.2 The biosphere during the temperate period following repository closure
		4.5.3 The biosphere for the rest of the climate cycles
		4.5.4 Biosphere assessments and derivation of landscape dose conversion factors for a glacial cycle
		4.5.5 Summary of IRT findings and recommendations on the biosphere
	4.6 Practical implementation
		4.6.1 Construction of underground openings and deposition holes
		4.6.2 Deposition hole rejection criteria
		4.6.3 Feasibility of initial state and industrial production
		4.6.4 Management issues
		4.6.5 Document and data control
		4.6.6 Quality assurance
	4.7 Performance assessment
		4.7.1 Safety assessment methodology
		4.7.2 Credibility of scenarios
		4.7.3 Corrosion failure
		4.7.4 Shear failure
		4.7.5 Factors governing the total system performance assessment
		4.7.6 Evaluation of the total system performance assessment results
	4.8 Performance confirmation
		4.8.1 Specific points
		4.8.2 Optimisation and best available technique (BAT)
	4.9 Societal aspects
		4.9.1 Public outreach, input and consent
		4.9.2 Continuity of knowledge
	Appendix to Chapter 4
Annex 1
Annex 2