Ecology's Environmental Assessment Program Toxics Studies Unit monitors toxic chemicals in Washington's environment. These scientific studies provide the foundation for decisions made by governing agencies to reduce the risk from these toxic chemicals of concern.
Targeted Toxics Studies are short-term focused studies including Total Maximum Daily Load (TMDL) assessments, water cleanup plans, stormwater studies, emerging contaminants, and other specific toxics projects in support of agency-wide initiatives.
Freshwater Fish Contaminant Monitoring Program samples fish and water across Washington to characterize levels of toxic contaminants and determine changes in levels over time. This project supports a range of agency activities, such as water-cleanup plans, by monitoring a broad range of toxic substances.
Persistent Bioaccumulative Toxics (PBT) Monitoring program conducts long-term studies to evaluate trends of environmental PBT levels over time. Ecology scientists analyze fish tissue, sediment cores, and suspended particulate matter for PBTs such as mercury, lead, and PAHs. This work supports agency Chemical Action Plans.All data for these projects are available through the Environmental Information Management (EIM) database.
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