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Ecology Publications & Forms |
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Ecology Publications & Forms |
| Title | Addendum to Quality Assurance Project Plan: May Creek Landfill Groundwater Assessment Monitoring |
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| VIEW NOW |
Addendum to Quality Assurance Project Plan: May Creek Landfill Groundwater Assessment Monitoring (Number of pages: 17) (Publication Size: 440KB)
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| Author(s) | Carnes, J. | ||||
| Description | The May Creek Landfill is an unpermitted solid waste landfill east of Renton. King County notified the Department of Ecology (Ecology) of potential contamination at the site in January 2003. In August 2003, Ecology placed the May Creek Landfill on the Confirmed and Suspected Contaminated Sites List. The site was listed as confirmed for metals in surface water and suspected for petroleum, antifreeze, metals, and gasoline in soil and groundwater. Groundwater samples previously collected by EPA and Ecology were analyzed for a wide range of contaminants detailed in the original QAPP, including PCB aroclors. Ecology’s Toxics Cleanup Program has requested high resolution analysis of PCB congeners and dioxins/furans. Dioxins and furans are of concern in soil but are not expected to be detected in groundwater. However, there is potential for mobilization of dioxins due to co-solvency with petroleum products. Samples for PCB congener analysis will be collected from all seven monitoring wells. Samples for dioxins/furans analysis will be collected from upgradient well MW-01, and from wells MW-05 and MW-07, which are located in areas of the site where burning has apparently occurred. |
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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 | Jacob Carnes at 360-407-6764 or CARJ461@ecy.wa.gov | ||||
| Keywords | groundwater toxics, groundwater monitoring, PCBs, dioxin | ||||
| WATERSHED | Water Resource Inventory Area 08 Cedar-Sammamish | ||||
| DATA | Environmental Information Management (EIM) #FS1292568 |
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| RELATED PUBLICATIONS | Title:
May Creek Landfill Groundwater Quality Monitoring, February 2020 – March 2022 Quality Assurance Project Plan: May Creek Landfill Groundwater Assessment Monitoring |
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