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PARTITION COEFFICIENTS FOR METALS IN SURFACE WATER, SOIL, AND WASTE
Citation:
ALLISON, J. D. AND T. L. ALLISON. PARTITION COEFFICIENTS FOR METALS IN SURFACE WATER, SOIL, AND WASTE. U.S. Environmental Protection Agency, Washington, DC, 2005.
Impact/Purpose:
The current focus is to 1.) develop, distribute, and support the FRAMES-3MRA modeling technology, 2) to apply the FRAMES-3MRA modeling technology for the purposes of executing national and site-specific risk assessments, 3) to complete model application case studies to explore model performance issues, such as, model validation, 5) to collaborate with other Federal Agencies in an effort to leverage expertise and resources associated with common modeling interests, and 6) to monitor ongoing developments at the Office of Solid Waste and within the environmental modeling community in an effort to identify new needs for science modules and locate or develop solutions within the FRAMES 3MRA modeling system.
Description:
This report presents metal partition coefficients for the surface water pathway and for the source model used in the Multimedia, Multi-pathway, Multi-receptor Exposure and Risk Assessment (3MRA) technology under development by the U.S. Environmental Protection Agency. Partition coefficients values are presented for partitioning between soil and water; partitioning between the suspended sediment load and the water in streams, rivers, and lakes; partitioning between riverine or lacustrine sediment and its porewater; and partitioning between dissolved organic carbon (DOC) and the inorganic solution species in the water of streams, rivers, and lakes.