Evaluation of Fish Hatcheries as Sources of PCBs to the Spokane River
Evaluation of Fish Hatcheries as Sources of PCBs to the Spokane River (Number of pages: 44) (Publication Size: 1684KB)
|Description||In 2016, the Department of Ecology’s Environmental Assessment Program undertook a screening-level study to evaluate hatchery contributions of PCBs to the Spokane River. The primary study objectives were to (1) characterize PCB concentrations in hatchery discharges and hatchery-raised rainbow trout and (2) estimate PCB loads from hatchery operations to the Spokane River. We sampled discharges from the Spokane Hatchery and collected fish from the two hatcheries that stock trout to the river (Spokane Hatchery and a private hatchery in the town of Soap Lake). Water, whole fish tissue, fish feed, and sediment samples were analyzed for the 209 PCB congeners. This report presents results from the study.|
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|Keywords||hatchery fish, Spokane, Spokane River TMDL, source assessment, fish farms, PCB, polychlorinated biphenyls (PCBs), toxics monitoring, Spokane River, fish, PCBs, fish hatchery, rainbow trout|
|WEB PAGE||Improving the Spokane River|
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Quality Assurance Project Plan: Spokane and Troutlodge Fish Hatchery PCB Evaluation
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