Examples of SERDP and ESTCP projects addressing bioavailability issues in sediments and upland soils are provided below. Additional information on projects can be found under the Environmental Restoration program area.
 

Bioavailability in Sediments

Bioavailability and Methylation Potential of Mercury Sulfides in Sediments
Lead Organization: Duke University
Project Status: Active
 

Coupling between Pore Water Fluxes, Structural Heterogeneity, and Biogeochemical Processes Controls Contaminant Mobility, Bioavailability, and Toxicity in Sediments
Lead Organization: Northwestern University
Project Status: Active
 

Predicting the Fate and Effects of Resuspended Metal Contaminated Sediments
Lead Organization: University of Michigan
Project Status: Active
 

Robust Means for Estimating Black Carbon-Water Sorption Coefficients of Organic Contaminants in Sediments
Lead Organization: Massachusetts Institute of Technology
Project Status: Active
 

Development of an Electrochemical Surrogate for Copper, Lead, and Zinc Bioaccessibility in Aquatic Sediments
Lead Organization: U.S. Geological Survey
Project Status: Active
 

Verifying Food Web Bioaccumulation Models by Tracking Fish Exposure and Contaminant Uptake
Lead Organization: U.S. Army Engineer Research and Development Center / U.S. EPA Office of Superfund Remediation and Technology Innovation
Project Status: Active
 

The Biology of Bioavailability: The Role of Functional Ecology in Exposure Processes
Lead Organization: U.S. Army Engineer Research and Development Center-Environmental Laboratory
Project Status: Active
 

Assessing Mercury and Methylmercury Bioavailability in Sediment Porewater Using Mercury-Specific Hydrogels
Lead Organization: ENVIRON International Corp.
Project Status: Active
 

Demonstration and Evaluation of Solid Phase Microextraction for the Assessment of Bioavailability and Contaminant Mobility
Lead Organization: University of Texas at Austin
Project Status: Active
 

The Determination of Sediment Polycyclic Aromatic Hydrocarbon (PAH) Bioavailability Using Direct Pore Water Analysis by Solid-Phase Microextraction (SPME)
Lead Organization: AECOM
Project Status: Active
 

Passive Polyethylene Sampling in Support of In Situ Remediation of Contaminated Sediments
Lead Organization: Massachusetts Institute of Technology
Project Status: Active
 

Bioavailability in Upland Soils

Development of Extraction Tests for Determining the Bioavailability of Metals in Soil
Lead Organization: Exponent, Inc.
Project Status: Completed 2005
 

Determining the Bioavailability, Toxicity, and Bioaccumulation of Organic Chemicals and Metals for the Development of Eco-SSLs
Lead Organization: The Ohio State University
Project Status: Active
 

Antimony(V) Adsorption by Variable-Charge Minerals
Lead Organization: University of Tennessee – Knoxville
Project Status: Active
 

Mechanisms and Permanence of Sequestered Pb and As in Soils: Impact on Human Bioavailability
Lead Organization: The Ohio State University
Project Status: Active
 

PAH Interactions with Soil and Effects on Bioaccessibility and Bioavailability to Humans
Lead Organization: Exponent, Inc.
Project Status: Active
 

Lead and Antimony Speciation in Shooting Range Soils: Molecular Scale Analysis, Temporal Trends and Mobility
Lead Organization: University of Alaska Fairbanks
Project Status: Active
 

Validation of a Rapid and Low-Cost Method for Prediction of the Oral Bioavailability of Lead from Small Arms Range Soils
Lead Organization: U.S. Army Center for Health Promotion and Preventive Medicine
Project Status: Completed 2009
 

The Effect of Soil Properties on Decreasing Toxic Metal Bioavailability: Field Scale Validation to Support Regulatory Acceptance
Lead Organization: Naval Facilities Engineering Command – Engineering Service Center
Project Status: Active
 

Validation of an In Vitro Bioaccessibility Test Method for Estimation of Bioavailability of Arsenic from Soil and Sediment
Lead Organization: U.S. Environmental Protection Agency
Project Status: Active