1. Introduction / Allison M. Macfarlane and Rodney C. Ewing -- 2. Nuclear waste story : setting the stage / Thomas A. Cotton -- 3. Regulating the geologic disposal of high-level nuclear waste at Yucca Mountain / William M. Murphy -- 4. Performance assessment : what is it and why is it done? / Chris Whipple -- 5. Performance assessments : are they necessary or sufficient? / Rodney C. Ewing -- 6. Technical policy decision making in siting a high-level nuclear waste repository / Allison M. Macfarlane -- 7. The mountain matters / David Applegate -- 8. Volcanism : the continuing saga / Bruce M. Crowe, Greg A. Valentine, Frank V. Perry and Paul K. Black -- 9. Climate change at Yucca Mountain : lessons from Earth history / MaryLynn Musgrove and Daniel P. Schrag -- 10. Hot upwelling water : did it really invade Yucca Mountain? / Nicholas S. F. Wilson and Jean S. Cline -- 11. Water and radionuclide transport in the unsaturated zone / June Fabryka-Martin, Alan Flint, Arend Meijer and Gilles Bussod -- 12. Colloidal transport of radionuclides / Annie B. Kersting -- 13. The importance of mineralogy at Yucca Mountain / David L. Bish, J. William Carey, Steve J. Chipera and David T. Vaniman -- 14. Contaminant transport in the saturated zone at Yucca Mountain / Lynn W. Gelhar -- 15. Thermohydrologic effects and interactions / G. S. Bodvarsson -- 16. The near field at Yucca Mountain : effects of coupled processes on nuclear waste isolation / William M. Murphy -- 17. Waste package corrosion / David W. Shoesmith -- 18. Drip shield and backfill / David Stahl -- 19. Zircaloy cladding / Eric R. Siegmann -- 20. Spent fuel / Jordi Bruno and Esther Cera -- 21. Glass / Werner Lutze -- 22. Storing waste in ceramic / William L. Bourcier and Kurt Sickafus -- 23. The path to Yucca Mountain and beyond / Luther J. Carter -- 24. Uncertainty, models, and the way forward in nuclear waste disposal / Allison M. Macfarlane