Primary Conveners: William L Dam, Department of Energy Grand Junction, Grand Junction, CO, United States
Conveners: John Bargar, SLAC National Accelerator Laboratory, Menlo Park, CA, United States, Mark L Brusseau, University of Arizona, Soil, Water and Environmental Science Department, School of Earth and Environmental Sciences, Tucson, AZ, United States; University of Arizona, Department of Hydrology and Water Resources, Tucson, AZ, United States and Paul W. Reimus, Los Alamos National Laboratory, Los Alamos, NM, United States
Chairs: John Bargar, Stanford University, Los Altos Hills, CA, United States and Paul W. Reimus, Los Alamos National Laboratory, Los Alamos, NM, United States
OSPA Liaisons: William L Dam, Department of Energy, Office of Legacy Management, Grand Junction, CO, United States
13:40
Utilizing hydrologic, statistical, and geochemical tools to assess uranium mobility in surface and near-surface environments (Invited) (60914)
David L Naftz, U.S. Geological Survey, Helena, MT, United States, Katherine E Walton-Day, U.S. Geological Survey, Denver, CO, United States, Christopher Fuller, USGS Western Regional Offices Menlo Park, Menlo Park, CA, United States, William L Dam, Department of Energy Grand Junction, Grand Junction, CO, United States, Martin A Briggs, USGS Groundwater Information, Reston, VA, United States and Terry Snyder, BLM, Salt Lake City, UT, United States
14:00
Seasonal Hydrologic Controls on Uranium and Iron Biogeochemistry in a Riparian Aquifer (Invited) (60580)
Michael Wilkins1, Kenneth Hurst Williams2, Robert E Danczak1, Steven Yabusaki3, Yilin Fang4 and Chad Hobson2, (1)The Ohio State Univ, Columbus, OH, United States, (2)Lawrence Berkeley National Laboratory, Berkeley, CA, United States, (3)Pacific Northwest National Laboratory, Richland, WA, United States, (4)Battelle, Pacific Northwest National Laboratory, Richland, WA, United States
14:20
Oxidation of naturally reduced uranium in aquifer sediments by dissolved oxygen and its potential significance to uranium plume persistence (Invited) (70824)
James A Davis1, Richard L Smith2, John Karl Bohlke3, Noah Jemison4, Huang Xiang5, Deborah A Repert2, Xiu Yuan1 and Kenneth Hurst Williams6, (1)Lawrence Berkeley National Laboratory, Berkeley, CA, United States, (2)USGS Colorado Water Science Center Boulder, Boulder, CO, United States, (3)USGS, Reston, VA, United States, (4)University of Illinois at Urbana Champaign, Urbana, IL, United States, (5)Peking University, Institute of Water Sciences, Beijing, China, (6)Lawrence Berkeley National Lab, Berkeley, CA, United States
14:55
Carbon Characteristics and Biogeochemical Processes of Uranium Accumulating Organic Matter Rich Sediments in the Upper Colorado River Basin (70090)
Kristin Boye1, Vincent Noel2, Malak M Tfaily3, William L Dam4, John Bargar2 and Scott E Fendorf5, (1)Stanford Earth Sciences, Stanford, CA, United States, (2)SLAC National Accelerator Laboratory, Menlo Park, CA, United States, (3)Pacific Northwest National Laboratory, Environmental Molecular Sciences Laboratory, Richland, WA, United States, (4)Department of Energy, Office of Legacy Management, Grand Junction, CO, United States, (5)Stanford University, Earth System Science, Stanford, CA, United States
15:25
Pilot-Scale In-situ Biosequestration of Uranium in Groundwater at the Monument Valley UMTRA Site (82549)
Hua Zhong1, Diana Ivana Gutierrez1, Erin J Abel1, Raymond H Johnson2, Robert A Root1, Jon Chorover3 and Mark L Brusseau4, (1)University of Arizona, Tucson, AZ, United States, (2)Organization Not Listed, Washington, DC, United States, (3)University of Arizona, Soil, Water and Environmental Science, Tucson, AZ, United States, (4)University of Arizona, Department of Soil, Water and Environmental Science, Tucson, AZ, United States
