Spent Fuel Burnups and Ages at Emplacement Normalized 99 to Energy Information Agency (EIA) 1983 Midplane Projections 3.2-2 Year of Emplacement Based on Projected Inventories of Spent Fuel 3.2-3 Photon Release Rates and Energies for Reference PWR Fuel 3.2-4 Average Thermal Properties of TSw2 Rock 3.2-5 Corrosion Rates of Candidate Waste Container Alloys 3.2-6 Average Cracking Time for Commercial Fe-Ni-Cr Alloys Exposed to Boiling MgCl(2) at 154'C 3.2-7 Characteristics of Spent Fuel Assemblies 4.1 Definitions of the WADCOM II Nuclear Waste Disposal Paths 4.2 WADCOM II USERFILE 4.3 WADCOM II USERFILE: Yucca Mountain Repository Project Highlights 4.4 Summary Cost Matrix I: Project Criteria for Yucca Mountain 4.5 Breakdown of the Summary Cost Matrix 4.6 Summary Cost Matrix: Independent Evaluation 5.1 System Design Highlights 205 V LIST OF FIGURES Figure Page 2.1 Castor Cask Cross-Section 2.2 Castor Cask Dry Storage Cask 2.3 Castor Cask Dose Rates 2.4 Castor Cask Temperature Profiles 2.5 Overweight Truck Design Envelope 2.6 Heavy Rail Car Design Envelope 2.7 Repository Site Layout 2.8 Primary Facility Layout 2.9 Buffer Storage Facility Layout 2.10 Cask Transporter 2.11 Repackaging and Handling Facility Overview 43 2.12 General Process Description 2.13 General Cask Unloading/Loading Design Description 2.14 Schematic Representation of Unloading/Loading Room Equipment 2.15 Loading Canister Procedure 2.16 Repository Specific Disposal Canister 2.17 Canister Sealing Cell 2.18 Welding and Backfilling/Leak Testing Stations 2.19 Canister-Carrying Rail Car 2.20 Decontamination Cell 2.21 Schematic Lag Storage Room Description 2.22 Lag Storage Heat Removal Principle 2.23 Safety Canister Hook Design 2.24 Corridor Sequence Operation 2.25 Canister Emplacement Sequence Operation 2.26 Emplacement Cask Loading Cell 2.27 Canister Downender 2.28 Emplacement Cask Loading Operations Sequence 3.2-1 Spent Fuel Thermal Source Up to 100,000 Year Cooling Time 100 3.2-2 Toxicity of Nuclear Waste Over Time (Relative to that of Average Mineral Ores of Toxic Elements) Compared to Times of Social or Geologic Significance 3.2-3 Spent Fuel Container Configurations 106 3.2-4 Unit Cell for Calculation of Repository Pitch for a 107 57 kw/acre Areal Thermal Loading 3.2-5 Effective Spent Fuel Thermal Conductivity 109 3.2-6 Thermal Profiles for Horizontal Emplacement 110 57 kw/acre, 25 m pitch, 2200 watts/ canister 3.3-1 Location of Yucca Mountain Site in Southern Nevada 123 3.3-2 Physiographic Features of Yucca Mountain 124 3.3-3 North-South Stratigraphic Correlation Between 126 Selected Drillholes at Yucca Mountain 3.3-3b Index Map for Selected Drillholes 127 3.3-4 Petrographic Textural Percentages: Topopah Springs Member 128 3.3-5 Usable Portion of the Primary Area and Expansion Areas 131 3.3-6 Cross Section of Emplacement Rooms 136 3.3-7 Plan View of the Repository 138 vi 3.3-8