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Ecology Publications & Forms |
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Ecology Publications & Forms |
| Title | Addendum to Quality Assurance Project Plan for Measuring PCBs in Biofilm, Sediment, and Invertebrates in the Spokane River: Screening Study |
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Addendum to Quality Assurance Project Plan for Measuring PCBs in Biofilm, Sediment, and Invertebrates in the Spokane River: Screening Study (Number of pages: 22) (Publication Size: 1468KB)
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| Author(s) | Siana Wong and Brandee Era-Miller | ||||
| Description | This addendum describes follow-up sampling to the 2018 field study, "Measuring PCBs in Biofilm, Sediment, and Invertebrates in the Spokane River." The study supports the Spokane River Regional Toxics Task Force goal of identifying unknown PCB sources in the river. The goals of the follow-up sampling are to verify 2018 biofilm results and to further delineate biofilm PCB concentrations in the Spokane River between Upriver Dam and the Spokane Gage, where the highest concentrations were observed in 2018. In August 2019, we will collect biofilm samples at 33 sites on the river for analyses of 209 PCB congeners. Lipid content, biomass, and C & N isotopes will also be analyzed in the biofilms as supplemental explanatory variables. | ||||
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The mission of the Department of Ecology is to protect, preserve, and enhance Washington’s environment. To help us meet that goal, please consider the environment before you print or request a copy.
ADA Accessibility The Department of Ecology is committed to providing people with disabilities access to information and services by meeting or exceeding the requirements of the Americans with Disabilities Act (ADA), Section 504 and 508 of the Rehabilitation Act, and Washington State Policy #188. Visit Ecology’s website for more information. |
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| Contact | Environmental Assessment Program Publications Coordinator at 360-407-6764 or EAPPubs@ecy.wa.gov | ||||
| Keywords | biofilm, periphyton, Spokane River TMDL, PCB, toxics, toxic chemicals, Spokane River, PCBs | ||||
| WEB PAGE | Improving the Spokane River | ||||
| WATERSHED | Water Resource Inventory Areas (WRIA 54,WRIA 57) |
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| DATA | Environmental Information Management (EIM) #SWON0001 |
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| RELATED PUBLICATIONS | Title:
Spokane River PCBs in Biofilm, Sediment, and Invertebrates, 2018 and 2019: Screening Study Results Quality Assurance Project Plan: Measuring PCBs in Biofilm, Sediment, and Invertebrates in the Spokane River: Screening Study |
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