Title | Dioxin in Surface Water Sources to Oakland Bay (Mason County) |
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Dioxin in Surface Water Sources to Oakland Bay (Mason County) (Number of pages: 44) (Publication Size: 10484KB)
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Author(s) | Coots, R. | ||||
Description | In 2011, dioxin measured from Shelton, Goldsborough, and Johns Creek sediments were generally low, much lower than surface sediments reported from Shelton Harbor or Oakland Bay in 2008. Study results showed these surface water inputs do not currently appear to be the source of the bay-wide dioxin levels. Two soil samples from an ash mound along Shelton Creek were also analyzed. They had the highest dioxin concentrations reported for the study, more similar to mean values from Shelton Harbor and Oakland Bay than from Shelton, Goldsborough, or Johns Creeks. Sampling was conducted following the dry season. Wet-season wash off and storm events could exacerbate dioxin loading. Recommendations are made to determine the ash mound contaminant extent and monitoring to verify improvement. |
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Contact | Randy Coots at 360-407-6690 or rcoo461@ecy.wa.gov | ||||
Keywords | Shelton Harbor, Oakland Bay, surface water, Puget Sound, dioxin | ||||
WATERSHED | Water Resource Inventory Area 14 Kennedy-Goldsborough | ||||
DATA | Environmental Information Management (EIM) #rcoo0012 |
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