Vancouver Lake PCBs, Chlorinated Pesticides, and Dioxins in Fish Tissue and Sediment
Vancouver Lake PCBs, Chlorinated Pesticides, and Dioxins in Fish Tissue and Sediment (Number of pages: 61) (Publication Size: 811KB)
|Description||Two previous Ecology studies have reported levels of PCBs and 4,4’-DDE (a DDT metabolite) in Vancouver Lake fish, with a mix of high and low results.
This 2005-06 study analyzed fish tissue and surface sediments for PCBs, chlorinated pesticides, and dioxins/furans from Vancouver Lake and the nearby Lake River. Levels of PCBs, 4,4’-DDE, 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD), dieldrin, and toxaphene were elevated in fish. Only 4 of 186 total analyses for sediment samples were reported above detection limits.
Recommendations include (1) addressing PCBs and 2,3,7,8-TCDD through a statewide assessment, and (2) conducting a surface water quality study to verify fish tissue concentrations and determine where fish collected for the study reside.
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|Keywords||dioxins, recommendations, tissue, toxics, results, rule, environmental, contaminant, fish, 303(d), section 303, river, water, sediment, toxic, Total Maximum Daily Load, pesticide, lake, dioxin, Environmental Protection Agency, chlorinated|
|WATERSHED||Water Resource Inventory Area 28 Salmon-Washougal|
|DATA||Environmental Information Management (EIM) #RCOO0006
Quality Assurance Project Plan: Vancouver Lake PCBs, Chlorinated Pesticides, and Dioxins Fish Tissue Investigation
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