USGS Washington Water Science Center
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The Issue: Bioaccumulation of toxic chemicals in freshwater and marine aquatic research in the Puget Sound continues to be a concern for environmental managers and general public. With renewed interest, Washington State Department of Ecology (http://www.ecy.wa.gov/programs/wq/pstoxics/) began a phased, coordinated effort in 2006 to understand the sources and management options in controlling the loadings of a number of toxic chemicals.
How the USGS will help: The role of the U.S. Geological Survey is to propose methodologies for evaluating the mechanisms of transport and attenuation from these primary sources along the pathways to their discharge to Puget Sound. The project report will identify and quantify the attenuation processes, from literature research, that prevent contaminants of concern (COC) that are released into Puget Sound watershed to surface runoff from entering Puget Sound.