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Title

Urban Waters Initiative, 2007: Sediment Quality in Elliott Bay

 
Publication number Date Published
09-03-014September 2009
VIEW NOW Urban Waters Initiative, 2007: Sediment Quality in Elliott Bay (Number of pages: 166) (Publication Size: 5MB)




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Author(s) Partridge, V. S. Weakland, E. Long, K. Welch, M. Dutch, and M. Jones
Description As part of the Urban Waters Initiative, the Department of Ecology’s Environmental Assessment Program is assessing sediment quality throughout urban bays in Puget Sound, beginning with Elliott Bay and adjoining waterways of the lower Duwamish River in 2007. These bay-scale assessments assist environmental managers in determining whether collective localized cleanups and source control improve conditions over a wider area.

Comparisons of the 2007 survey results with similar data collected in 1998 show bay-wide decreases in sediment contamination by numerous toxics, especially PAHs and PCBs. Spatial extent of toxicity decreased significantly from 1998 to 2007, and some measures of benthic infaunal community health improved.

The Appendices for this report are linked below. Data for Appendices D-I and K are linked above as a zip file.
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Keywords environmental, river, water, trend, Ecology, monitoring, sediment, toxic, Urban Waters Initiative, Puget Sound
WATERSHED Water Resource Inventory Areas
(WRIA 09,WRIA PS)
DATA Environmental Information Management (EIM) #UWI

RELATED PUBLICATIONS Title:

Appendices: Urban Waters Initiative, 2007: Sediment Quality in Elliott Bay

Urban Waters Initiative, 2007: Sediment Quality Changes in Elliott Bay since 1998 (Summary)

Focus on Puget Sound's Urban Bays: Sediment Quality in Elliott Bay, 1998 to 2007