Chairs: Valerie K Stucker, GNS Science-Institute of Geological and Nuclear Sciences Ltd, Lower Hutt, New Zealand, James F Ranville, Colorado School of Mines, Golden, CO, United States and Kenneth Hurst Williams, Lawrence Berkeley National Laboratory, Earth Science Divission, Berkeley, CA, United States
Primary Conveners: Valerie K Stucker, GNS Science, Marine Geosciences, Lower Hutt, New Zealand
Co-conveners: James F Ranville, Colorado School of Mines, Golden, CO, United States and Kenneth Hurst Williams, Lawrence Berkeley National Laboratory, Berkeley, CA, United States
OSPA Liaisons: Valerie K Stucker, GNS Science-Institute of Geological and Nuclear Sciences Ltd, Lower Hutt, New Zealand
10:20 AM
Cd Mobility in Anoxic Fe-Mineral-Rich Environments – Potential Use of Fe(III)-Reducing Bacteria in Soil Remediation
E. Marie Muehe1, Irini J Adaktylou2, Martin Obst2, Christian Schröder3, Sebastian Behrens1, Adam P. Hitchcock4, Tolek Tylsizczak5, Frederick M Michel6, Ute Krämer7 and Andreas Kappler1, (1)University of Tübingen, Geomicrobiology, Tübingen, Germany, (2)University of Tübingen, Environmental Analytical Microscopy, Tübingen, Germany, (3)University of Stirling, Stirling, Scottland, United Kingdom, (4)McMaster University, Hamilton, ON, Canada, (5)Advanced Light Source, Berkeley, CA, United States, (6)Virginia Polytechnic Institute and State University, Blacksburg, VA, United States, (7)Ruhr University Bochum, Plant Physiology, Bochum, Germany
10:35 AM
Metal Ion Speciation and Dissolved Organic Matter Composition in Soil Solutions
Marc F Benedetti1, Zong-ling Ren1, Mathieu Bravin2, Marie Tella3 and Jun Dai4, (1)Institut de Physique du Globe de Paris, Paris, France, (2)CIRAD Montpellier, Montpellier Cedex 05, France, (3)CEREGE, Aix-en-Provence Cedex, France, (4)Southern China Agricultural University, College of Resources and Environment, Guangzhou, China
11:10 AM
Uranium(IV) Complexation by Natural Organic Matter Controls Speciation in the Subsurface
Sharon Bone1, James Dynes2, Scott E Fendorf3, Morris E Jones3 and John Bargar1, (1)SLAC National Accelerator Laboratory, Menlo Park, CA, United States, (2)Canadian Light Source, Saskatoon, SK, Canada, (3)Stanford University, Stanford, CA, United States
11:45 AM
Mycogenic Mn(II) oxidation promotes remediation of acid mine drainage and other anthropogenically impacted environments
Cara M Santelli1, Dominique Chaput1, Colleen M Hansel2 and William D Burgos3, (1)National Museum of Natural History, Washington, DC, United States, (2)Woods Hole Oceanographic Institution, Woods Hole, MA, United States, (3)Pennsylvania State Univ, University Park, PA, United States
12:00 PM
Fate of Uranium in Wetlands: Impact of Drought Followed by Re-flooding
Emily Gilson1, Shan Huang1, Paul G Koster van Groos1, Kirk Scheckel2, Aaron D Peacock3, Daniel I Kaplan4 and Peter R Jaffe1, (1)Princeton University, Princeton, NJ, United States, (2)Environmental Protection Agency Cincinnati, Cincinnati, OH, United States, (3)Haley and Aldrich Inc., Bedford, NH, United States, (4)Savannah River National Lab, Aiken, SC, United States
