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Title

Focus on: PCB Sediment Trends – Summer 2024

 
Publication number Date Published
24-03-010May 2024
VIEW NOW Focus on: PCB Sediment Trends – Summer 2024 (Number of pages: 1) (Publication Size: 223KB)




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Author(s) Foster, K., and C. Mathieu
Description Washington State Department of Ecology scientists collect three sediment cores every year to study how chemicals have built up in the environment over time. We choose three new lakes every year in different parts of the state, targeting water bodies based on the chemicals we are measuring. Age-date data and chemical concentrations from sediment profiles can help us understand how chemical levels change over time. For 2024, we are focusing on polychlorinated biphenyls (PCBs). These synthetic industrial and commercial compounds persist in the environment, bioaccumulate, and can cause adverse health effects.

This summer, we are collecting sediment cores from:

• Bead Lake (Pend Oreille County)
• Lake Goodwin (Snohomish County)
• Lake Sawyer (King County)

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Keywords persistent, bioaccumulative toxics, PBT, sediment core, polychlorinated biphenyls (PCBs), contaminants in lake sediment cores
WEB PAGE Contaminants in lake sediment cores
WATERSHED Water Resource Inventory Areas
(WRIA 09,WRIA 62,WRIA 07)
DATA Environmental Information Management (EIM) #SedCore24

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Quality Assurance Project Plan: Monitoring Persistent, Bioaccumulative, and Toxic Chemicals (PBTs) Using Age-Dated Lake Sediment Cores: 2023-2027