Session: Sources, Transport, Fate, and Toxicology of Trace Elements in the Environment I

8:00 AM

Distribution and Transport of Iodine Species In the Environment
Qinhong Hu; Jean E. Moran, Lawrence Livermore National Laboratory

8:15 AM

239-2

Influence of Earthworms on Cesium-137 Migration in Soil and Bioaccumulation by Vegetable Plants
Igor Prokofyev, Bryansk University, Non-Governmental Organization VIOLA; Ludmila Zhirina, Bryansk University, Non-Governmental Organization VIOLA; David W. Buckley, Buckley Engineering Associates, Inc

8:30 AM

239-3

Hydrogeochemical Modelling of a Springs System, Xalapa, East Central MEXICO
Rocio Salas, UNAM Mexico; Alejandro Carrillo-Chávez, UNAM; Alejandra Cortes, GEOPHYSICS INSTITUTE; Sergio Rodriguez, Geology Institute; Juan Perez-Quezadas, Instituto de Geofisica, Universidad Nacional Autonoma de Mexico

8:45 AM

239-4

Rare Earth Element Geochemistry of Aquia Aquifer Groundwater and Sediments, Maryland, USA
Stephanie S. Willis, Univ of Texas at Arlington; Karen H. Johannesson, Tulane University

9:00 AM

239-5

Geochemistry of Tungsten In Groundwater Flow Systems
Heeral B. Dave, Univ of Texas at Arlington; Karen H. Johannesson, Tulane University

9:15 AM

239-6

Isotopic Indicators (²²³Ra,²²⁴Ra,²²⁶Ra,²²⁸Ra,²²²Rn,⁸⁷Sr/⁸⁶Sr) of Radium Mobilization and Retardation In the Mt. Simon Aquifer, Minnesota
David S. Vinson, Duke University; James R. Lundy; Gary S. Dwyer, Duke University; Avner Vengosh, Duke University

9:30 AM

239-7

Integrating Aquifer Geochemistry and Sediment Properties into Modeling Subsurface Uranium Retention at the Nuclear Metals, Inc. Superfund Site
Laura C. Nielsen, Dartmouth College; Benjamin C. Bostick, Dartmouth College

9:45 AM

239-8

Attenuation of Hexavalent Chromium in the Vadose Zone and Regional Aquifer, Los Almaos, New Mexico
Mei Ding, Los Alamos National Lab; Patrick A. Longmire, Los Alamos National Laboratory; Dave Vaniman, Los Alamos National Laboratory; David Broxton, Los Alamos National Laboratory; Danny Katzman, Los Alamos National Laboratory; Michael Rearick, Los Alamos National Laboratory; Brian N. Spall, Los Alamos National Laboratory; John R. Bargar, Stanford Synchrotron Radiation Laboratory; Samuel M. Webb, Stanford Linear Accelerator Ctr

10:00 AM

Break

10:15 AM

239-9

Chromium Stable Isotope Fractionation during Transport: Sorption and Oxidation Experiments
Alejandro Villalobos-Aragón, University of Texas at El Paso; Andre S. Ellis, University of Texas at El Paso; Thomas M. Johnson, Univ of Illinois Urbana/Champaign; Tom D. Bullen, U. S. Geological Survey; Justin J. Glessner, Univ of Illinois Urbana/Champaign

10:30 AM

239-10

Development of Hybrid Methods for Source Apportionment by Coupling Lead Isotope Ratios, Multi-Element Concentrations, and Meteorology on Archived Precipitation Samples
Joseph R. Graney, Binghamton University; Matthew Landis, U.S. EPA Office of Research and Development; Gerald Keeler, University of Michigan

10:45 AM

239-11

Application of Zn Isotopes to Resolve Metal Sources In a Sediment Core from An Urban Lake In Seattle, Washington
Anita Thapalia, University of Texas at El Paso; David M. Borrok, University of Texas at El Paso; Peter Van Metre, U.S. Geological Survey; MaryLynn Musgrove, U.S. Geological Survey

11:00 AM

239-12

Fractionation of Cu, Fe, and Zn Isotopes during the Oxidative Weathering of Sulfide-Rich Rocks
Alvaro Fernandez, University of Texas at El Paso; David M. Borrok, University of Texas at El Paso

11:15 AM

239-13

Metal Cycling and Anomalous Accumulation of Sulfide Minerals In Wetlands Downstream of the Pike Hill Copper Mine Superfund Site, Vermont
Robert R. Seal II, U.S. Geological Survey; Richard G. Kiah, U.S. Geological Survey; Denise M. Levitan, US Geological Survey; G. Wandless; Nadine M. Piatak, U.S. Geological Survey; Jane M. Hammarstrom; Jeffrey R. Deacon, U.S. Geological Survey; Denise M. Argue, U.S. Geological Survey

11:30 AM

239-14

Evaluating the Risk of Exposure to Pb, Zn, and Cd after a Major Flood at a Mining-Impacted Area
Kathleen D. McCarthy, Wellesley College; Daniel Brabander, Wellesley College; Laurel Schaider, Harvard School of Public Health; Britt Argow, Wellesley College; Mei Ai Khoo, Wellesley College; Nolan Flynn, Wellesley College; James Shine, Harvard School of Public Health

11:45 AM

239-15

Influence of Organic Matter Fractionation on Aquatic Copper Toxicity In Mineralized Environments
Kathleen S. Smith, U.S. Geol Survey; James F. Ranville, Colorado School of Mines; Daniel J. Diedrich, Windward Environmental LLC; Diane M. McKnight, Univ of Colorado

239 T139. Sources, Transport, Fate, and Toxicology of Trace Elements in the Environment I(International Association of GeoChemistry; GSA Hydrogeology Division)

239 T139. Sources, Transport, Fate, and Toxicology of Trace Elements in the Environment I
(International Association of GeoChemistry; GSA Hydrogeology Division)