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Spokane River PCBs and Other Toxics at the Spokane Tribal Boundary: Recommendations for Developing a Long-Term Monitoring Plan

Publication number Date Published
17-03-019December 2017
VIEW NOW Spokane River PCBs and Other Toxics at the Spokane Tribal Boundary: Recommendations for Developing a Long-Term Monitoring Plan (Number of pages: 59) (Publication Size: 2128KB)

Win Zip format (Publication Size: 466KB)
Note: TABLES C-1, C-2, and C-3

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Author(s) Era-Miller, B. and M. McCall
Description The Department of Ecology conducted seasonal monitoring for toxic contaminants in the Spokane River at the eastern Spokane Tribal boundary during 2015 – 2016. Toxics monitoring was conducted to provide recommendations for establishing a long-term monitoring program for the site.

Surface water and suspended sediment samples were taken during the three major hydraulic river regimes: spring high flow, summer low flow, and winter moderate flow. Samples were analyzed for PCBs, PBDEs, dioxins/furans, and metals (cadmium, copper, lead, and zinc). Three collection and extraction techniques were used to ensure detection of PCBs and PBDEs in surface water: CLAM (Continuous Low-level Aqueous Monitoring device), XAD-2, and liquid-liquid extraction of composite samples. Suspended sediments were collected with sediment traps.

Tables C-1, C-2, and C-3 are linked above as a Zip file.
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Contact Brandee Era-Miller at 360-407-6771 or
Keywords Spokane, Spokane River TMDL, toxics, toxics monitoring, Spokane River, tribe, PCBs
WEB PAGE Improving the Spokane River
WATERSHED Water Resource Inventory Area 54 Lower Spokane
DATA Environmental Information Management (EIM) #BERA0012


Quality Assurance Project Plan: Spokane River PCBs and other Toxics Long Term Monitoring at the Spokane Tribal Boundary