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Ecology Publications & Forms |
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Ecology Publications & Forms |
| Title | Focus on: Lake Sediment Core Study for Toxic Chemical Trends — Summer 2025 |
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| VIEW NOW |
Focus on: Lake Sediment Core Study for Toxic Chemical Trends — Summer 2025 (Number of pages: 1) (Publication Size: 206KB)
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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 2025, we are focusing on polycyclic aromatic hydrocarbons (PAHs) and mercury. PAHs and mercury persist in the environment, bioaccumulate, and can cause adverse health effects. This summer, we are collecting sediment cores from: • Bonaparte Lake (Okanogan County) • Leland Lake (Jefferson County) • Mineral Lake (Lewis County) |
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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 | EAP Publications Coordinator at 564-669-3028 or EAPpubs@ecy.wa.gov | ||||
| Keywords | persistent, bioaccumulative toxics, sediment core, PAHs, polycyclic aromatic hydrocarbons, mercury, PBTs, contaminants in lake sediment cores, Hg | ||||
| WEB PAGE | Contaminants in lake sediment cores | ||||
| WATERSHED | Water Resource Inventory Areas (WRIA 17,WRIA 49,WRIA 11) |
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| DATA | Environmental Information Management (EIM) #SedCore25 |
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| RELATED PUBLICATIONS | Title:
Quality Assurance Project Plan: Monitoring Persistent, Bioaccumulative, and Toxic Chemicals (PBTs) Using Age-Dated Lake Sediment Cores: 2023-2027 |
Copyright © Washington State Department of Ecology. See https://ecology.wa.gov/About-us/Accountability-transparency/Our-website/Copyright-information.
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