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Title

Vancouver Lake PCBs, Chlorinated Pesticides, and Dioxins in Fish Tissue and Sediment

 
Publication number Date Published
07-03-017March 2007
VIEW NOW Vancouver Lake PCBs, Chlorinated Pesticides, and Dioxins in Fish Tissue and Sediment (Number of pages: 61) (Publication Size: 811KB)




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Author(s) Coots, R.
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

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Quality Assurance Project Plan: Vancouver Lake PCBs, Chlorinated Pesticides, and Dioxins Fish Tissue Investigation