The Waste Isolation Pilot Plant -- Copyright -- Acknowledgments -- Contents -- Executive Summary -- GENERAL CONCLUSIONS AND RECOMMENDATIONS -- Findings, Conclusions, and Recommendations on DOE Studies -- SUMMARY -- Chapter 1 Introduction -- TRANSURANIC WASTE: WHAT IT IS, WHERE IT COMES FROM, WHERE IT MUST GO -- GEOLOGIC DISPOSAL OF RADIOACTIVE WASTE IN SALT -- HISTORY OF WIPP -- THE WIPP UNDERGROUND FACILITY TODAY -- THE DISPOSAL PLAN -- REGULATION AND LICENSING OF WIPP -- FRAMEWORK FOR THE REPORT -- Chapter 2 Regulatory Compliance and Repository Performance -- EPA STANDARDS FOR RADIOACTIVE WASTE -- Undisturbed and Disturbed Repository Performance -- Containment Requirements -- 40 CFR 191 and 40 CFR 194 Radiation Dosage and Containment Requirements -- Quantitative Assessment of Human Intrusion -- 40 CFR 268 Hazardous Waste Requirements -- PERFORMANCE ASSESSMENT -- Methodology -- Results from Containment Requirement Calculations -- Results Regarding Individual and ground-water Protection Requirements -- RADIONUCLIDE RELEASE SCENARIOS -- Undisturbed Case -- Disturbed Case -- Release of Waste Through Cuttings -- Release of Waste Through Boreholes: The E1 and E1E2 Scenarios -- DISCUSSION OF PA MODELING EFFORTS -- Assumptions Regarding a Permanent Disturbed Rock Zone -- Characterization of Boreholes -- Apparent Value of Compartmentation -- DISCUSSION OF REPOSITORY PERFORMANCE -- Undisturbed Repository Performance -- Disturbed Repository Performance -- GENERAL QUALITY OF WIPP PERFORMANCE ASSESSMENT ACTIVITIES -- OTHER LONG-TERM RADIOLOGICAL COMPLIANCE ISSUES -- Waste Characterization -- Monitoring -- Peer Review and Quality Assurance of the WIPP Project -- CONCLUSIONS -- Chapter 3 Salado Hydrogeology, Gas Pressure, and Room Closure -- SALADO HYDROGEOLOGY -- GAS PRESSURE -- Laboratory Studies -- Time Dependence of Bacterial Activity.

"Real Waste" Tests -- Conclusions on Gas Generation and Gas Pressure -- ROOM CLOSURE -- Marker Bed Considerations -- THE COMBINED EFFECTS OF BRINE INFLOW, GAS GENERATION, AND ROOM CLOSURE -- Backfilling and Compartmentation -- Conclusion on the Combined Effects of Brine Inflow, Gas Generation, and Room Closure -- SUMMARY AND CONCLUSIONS -- Chapter 4 Engineering to Improve Predicted Repository Performance -- REPOSITORY DESIGN AND EXCAVATION ALTERNATIVES -- Natural and Engineered Sumps -- Design Considerations to Minimize DRZ Effects -- Room Seals, Panel Seals, and Backfill -- Pre-Emptive Mining of Potash -- Waste Form Modification -- Findings, Conclusions, and Recommendations on Engineered Features -- SEALING OF SHAFTS AND BOREHOLES -- Development and Healing of the Disturbed Rock Zone -- SEALING OF ROOMS AND PANELS -- CONCLUSIONS -- Chapter 5 Actinide Source Term -- ACTINIDE SOURCE TERM MODEL -- Solubility -- Colloids -- Retardation -- SCHEDULE -- SUMMARY AND DISCUSSION -- CONCLUSIONS AND RECOMMENDATIONS -- Chapter 6 Non-Salado Hydrology -- REGIONAL HYDROGEOLOGIC MODELING -- FLOW AND TRANSPORT MODELING -- Sources of Modeling Error -- Conceptual Errors -- Numerical Errors -- Data Uncertainty -- WIPP 1992 PA MODEL ANALYSIS -- Regional Ground-Water Flow -- Confidence in PA Analysis of Regional Ground-Water Flow -- Solute Transport -- Confidence in PA Analysis of Solute Transport -- Physical Retardation Via Matrix Diffusion -- Confidence in PA Analysis of Physical Retardation -- Chemical Retardation Via Reactions -- Confidence in PA Analysis of Chemical Retardation -- DISCUSSION AND SUMMARY OF FINDINGS, CONCLUSIONS, AND RECOMMENDATIONS -- Undisturbed Repository -- Summary of Undisturbed Case -- Disturbed Repository -- Summary of Disturbed Case -- PERSPECTIVE BASED ON INTERNATIONAL REPOSITORY SITING EFFORTS -- Chapter 7 Perspectives.

INTEGRITY OF THE WASTE ISOLATION SYSTEM -- HUMAN INTRUSION -- ROLE OF PERFORMANCE ASSESSMENT -- THE NATURE AND FREQUENCY OF HUMAN INTRUSION -- RETROSPECTIVE -- References -- Appendixes -- Appendix A Natural Setting and Resources -- Geologic Framework -- Castile Formation -- Salado Formation -- Rustler Formation -- Dewey Lake Red Beds -- Post-Permian Rocks -- Hydrologic Setting Of WIPP -- Hydrogeology of the Salado Formation -- Hydrogeology of the Culebra Dolomite -- Ground-Water Flow Directions -- Transmissivity Estimates -- Travel Time -- Hydrogeology of the Dewey Lake Red Beds -- Natural Resources -- Potash Mining -- Oil and Gas Resources -- Appendix B The Complementary Cumulative Distribution Function: The Risk Curve -- Appendix C Brine Inflow to Excavations in the Salado -- Permeability Of Wipp Salt Anhydrite And Interbeds -- One-Dimensional Flow In Anhydrite Interbeds In Impermeable Salt -- Radial Flow Into Excavations In Permeable Salt -- Bredehoeft Calculation (Bredehoeft, 1988) -- Shaft Seals - Approximate Check On Pa Flow Calculations -- Darcy Velocity -- Conclusion -- Appendix D Creep Behavior of WIPP Salt -- Appendix E Actinide Source Term -- Experimental Work On Actinide Solubilities -- Pitzer Parameters -- Concerns -- Experiments On Colloids -- Retardation Experiments -- Appendix F Regional Hydrogeology -- Approaches To Studying Regional Aquifer Systems -- Ground-Water Models -- Sources of Error -- Conceptual Errors -- Numerical Errors -- Data Uncertainty -- Hydrologic Performance Assessment Models -- Ground-Water Flow -- Confidence in PA Analysis of Regional Ground-Water Flow -- Solute Transport -- Confidence in PA Analysis of Solute Transport -- Retardation Mechanisms -- Matrix Diffusion and Physical Retardation -- Confidence in PA Analysis of Matrix Diffusion -- Reactions and Chemical Retardation.

Confidence in PA Analysis of Chemical Retardation -- Appendix G An Overview of WIPP Compliance Issues -- Deep Geologic Disposal -- Project Administration And Regulation -- Certification Criteria -- Certification Of Wipp -- Chemistry, Biology, And Geotechnology -- The Actinide Source Term -- Hydrology Above The Salado Formation -- Repository Design Using Compartmentation -- Summary, Conclusions, And Perspective -- Appendix H Biographical Sketches of Committee Members -- Appendix I Glossary -- Appendix J List of Acronyms and Symbols -- Appendix K Bibliography.