Workshop on Environmental Stability
of Chemicals in Sediments
April 8-10, 2003
San Diego, California
Scope of the Issue
Contaminated Sediments at Superfund Sites: What We Know So Far
Leah Evison
U.S. Environmental Protection Agency
Definition of Stability/Science Issues
In-Bed Transport Processes That Will Enhance or Suppress Chemical Stability
Louis Thibodeaux
Louisiana State University
Sequestration and Desorptive Flux of Hydrophobic Organic Contaminants from Sediments
Karl Rockne
University of Illinois-Chicago
Organic Sequestration and Bioavailability Control
Richard Luthy
Stanford University
Availability to Plants, Animals, Microorganisms
Danny Reible
Louisiana State University
Physicochemical Factors Controlling Stability of Toxic Heavy Metals in Sediments
Bill Patrick
Louisiana State University
Contaminated Sediment Flux Versus Biological Response
Measuring Toxicity and Bioaccumulation: Linking Exposure with Effects
Allen Burton
Wright State University
Bioturbation and Contaminant Flux Rates: Why One Size Doesn't Fit All
Joe Germano
Germano and Associates, Inc.
Approaches for Assessing the Bioavailability of Organic Contaminants to Benthic Organisms
Peter Landrum
Great Lakes Environmental Research Lab, NOAA
Assessing Exposure to Sediment-Associated Contaminants
Todd Bridges
U.S. Army Corps of Engineers
Use of Sediment Quality Guidelines and Related Tools for Assessment of Contaminated Sediments
Richard Wenning
Environ
Contaminants Fate, Mobility and Transformation
Phytoremediation in Contaminated Soils and Sediments
Jerry Schnoor
University of Iowa
Resolving the Non-Contaminant Metal Component of Sediments
Herbert Windom
Skidaway Institute of Oceanography
The Behavior of Mercury in Sediments
Gary Bigham
Exponent
Evaluating Risks from Metal Bioaccumulation by Benthic Organisms
Bill Adams
Riotinto
Contaminants Fate, Mobility, Transformation and Degradation
Water Column Processes Controlling Chemical Stability
Earl Hayter
U.S. Environmental Protection Agency
Nonparticle-Related Chemical Release from Sediments
John Connolly
QEA
Field-Based Tools for Assessment of Chemical Mobility of In-Place Sediment
Bart Chadwick
U.S. Navy
Bioavailability of PAHs and PCBs in Contaminated Sediment
Herbert Frederickson
U.S Army Corps of Engineers
Modeling Chemical Fate and Effects in Sediments
Sediment Stability Processes Influencing Contaminants
Joe Gailani
U.S. Army Corps of Engineers
Importance of Nonresuspension Sediment-Water Mass Transfer of Chemicals
Joe Depinto
Limno-Tech, Inc.
Screening Models to Predict Contaminant Fate
Carlos Ruiz
U.S. Army Corps of Engineers
Complex Dynamic Models to Predict Contaminant Fate in Water Bodies
Bob Ambrose
U.S. Environmental Protection Agency
Tiered Modeling Approaches to Predict Human Health and Ecological Risks
Katherine von Stackelberg, Menzie-Cura and Associates
Todd Bridges, U.S. Armu Corps of Engineers
Case Studies on the Capability of Models as Predictive Tools
John Connelly
QEA
Practical Measurement Strategies and Judging Success
Using Weight of Evidence Approaches for Sediment Management
Charles Menzie
Menzie-Cura and Associates
The Role of SQGs in Evaluating Ecological Effects of Contaminated Sediments
Donald MacDonald
NOAA
Risk Reduction, Remedy Goals, Cleanup Standards, Remedy Performance Standards, and Remedy Success: Can They Co-Exist?
Mark Sprenger
U.S. Environmental Protection Agency
Concluding Discussions
Definition of Stability Science Issues
Danny Reible
Louisiana State University
Summary of Workshop Conclusions
Produced by the Hazardous Substance Research Centers/South & Southwest
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