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Title

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

 
Publication number Date Published
09-03-031September 2009
VIEW NOW: Urban Waters Initiative, 2007: Sediment Quality Changes in Elliott Bay since 1998 (Summary) (Number of pages: 4) (Publication Size: 1MB)




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Author(s) V. Partridge, S. Weakland, E. Long, K. Welch, M. Dutch, and M. Jones
Description 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 wider areas.

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 from 1998 to 2007. Some measures of benthic infaunal community health improved.

This publication summarizes the longer report.
REQUEST A COPY 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.

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Contact Joan LeTourneau at 360-407-6764 or jlet461@ecy.wa.gov
Keywords environmental, river, water, Ecology, sediment, toxic, quality, Urban Waters Initiative, Puget Sound
WATERSHED Water Resource Inventory Areas
(WRIA 09,WRIA PS)
DATA Environmental Information Management (EIM) #UWI2007

RELATED PUBLICATIONS Title:

Urban Waters Initiative, 2007: Sediment Quality in Elliott Bay

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