1. Surface and Aqueous Geochemistry Group, Department of Geological & Environmental Sciences, Stanford University, Stanford, California 94305-2115
2. Surface Science Laboratory, Department of Applied Physics, Yale University, New Haven, Connecticut 06520
3. Department of Land, Air, and Water Resources, University of California, Davis, Davis, California 95616
4. G.T. Seaborg Institute for Transactinium Science, Nuclear Materials Technology Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545
5. Department of Geology and Geophysics, University of Wyoming, Laramie, Wyoming 82071-3006
6. Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, Richland, Washington 99352
7. Department of Chemistry, Texas A&M University, College Station, Texas 77843-3255
8. Institute of Chemical Physics, École Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland
9. Department of Chemistry, Colorado State University, Ft. Collins, Colorado 80523
10. Theory, Modeling and Simulation Group, Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, Richland, Washington 99352
11. Jet Propulsion Laboratory-183-301, California Institute of Technology, 4800 Oak Grove Drive, Pasadena, California 91109-8099
12. Department of Earth and Planetary Sciences, The Johns Hopkins University, Baltimore, Maryland 21218
13. IBM Almaden Research Center, San Jose, California 95120
14. Environmental Molecular Sciences, Laboratory Pacific Northwest National Laboratory, Richland, Washington 99352