Tuesday, 8 November 2005: 1:30 PM
Convention Center,, Ballroom I, Lower Level
171: Symposium--Revisiting Metal Behavior in Biosolids Amended Soils: Applying Knowledge Gained to an Understanding of Behavior of Metals in Soils Systems: III
Sponsor:S02 Soil Chemistry
Presidings:Gary Pierzynski, Kansas State University
Sally Brown, University of Washington
1:30 PM Introductory Remarks
1:35 PM171-1Biogeochemical Controls on the Fate of Arsenic and Chromium. 
Scott Fendorf, Stanford University
1:55 PM171-2The Plant-Soil Interface: Soil Nickel Speciation and the Mechanisims of Nickel Hyperaccumulation.
David Mcnear Jr., University of Delaware, R. L. Chaney, USDA-ARS-ANRI, Donald Sparks, University of Delaware
2:10 PM171-3Micro scale investigations to understand binding mechanisms of metals in biosolids using synchrotron based x-ray fluorescence and x-ray absorption. 
Ganga Hettiarachchi, University of Adelaide, Kirk Scheckel, US Environmental Protection Agency, James Ryan, U.S. Environmental Protection Agency
2:30 PM Break
2:45 PM171-4Chemical and Mineralogical Forms of Pb, As, Cr, and Cd in a Contaminated Soil. 
Darrell G. Schulze, Purdue University, Xiadong Gao, Purdue University
3:05 PM171-5Diffusive Gradients in Thin Films (DGT) for Assessing Metal Bioaccessibility in Soils. 
Gary Pierzynski, Kansas State University, Hao Zhang, Lancaster University, William Davison, Lancaster University
3:25 PM Discussion
3:35 PM Adjourn

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