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Ecology Publications & Forms |
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Ecology Publications & Forms |
| Title | Assessment of Sediment Toxicity near Post Point (Bellingham Bay) |
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Assessment of Sediment Toxicity near Post Point (Bellingham Bay) (Number of pages: 62) (Publication Size: 2MB)
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| Author(s) | Gries, T. | ||||
| Description | Studies near the Post Point Wastewater Treatment Plant outfalls found sediment toxicity ascribed to sulfides. This study was to determine if this toxicity warranted detailed cleanup investigations. Sediments were collected from 8 locations in September 2007 and tested using 4 bioassays. Sulfide levels in sediment, porewater, and during bioassays were also measured. Only 2 samples had minor toxicity, but they were among the highest sulfide levels measured, and a dose-response relationship was suggested. Sulfides levels near Post Point were not different from levels in other inner Bellingham Bay areas. Recommendations include no detailed studies, limited monitoring for sediment toxicity, and new sampling and toxicity test methods. |
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| Contact | EAP Publications Coordinator at 564-669-3028 or EAPpubs@ecy.wa.gov | ||||
| Keywords | recommendations, wastewater treatment plant, sulfide, toxicity, treatment, assessment, sediment, standards, toxic, quality, waste | ||||
| WEB PAGE | Urban bay sediment monitoring | ||||
| WATERSHED | Water Resource Inventory Area 01 Nooksack | ||||
| DATA | Environmental Information Management (EIM) #PPTox07 |
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| RELATED PUBLICATIONS | Title:
Quality Assurance Project Plan: Assessment of Sediment Toxicity near Post Point (Bellingham Bay) |
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