1. Illinois State Water Survey, Champaign, Illinois 61820-7495, United States
2. Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831-6110, United States
3. Institute of Physics and Biophysics, Faculty of Science, University of South Bohemia, Branisovska 31, 370 05 Ceske Budejovice, Czech Republic
4. Department of Geosciences, Texas Tech University, Box 41053, Lubbock, Texas 79409-1053, United States
5. Chemical Sciences and Engineering Division
6. X-ray Science Division
7. Department of Chemical Engineering, Vanderbilt University, Nashville, Tennessee 37235, United States
8. Department of Energy and Mineral Engineering
9. Department of Geosciences and the Earth & Environmental Systems Institute
10. St. Petersburg State University, St. Petersburg, Russia