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Title

Baseline Characterization of Nine Proposed Freshwater Sediment Reference Sites, 2008

 
Publication number Date Published
09-03-032July 2009
VIEW NOW Baseline Characterization of Nine Proposed Freshwater Sediment Reference Sites, 2008 (Number of pages: 91) (Publication Size: 12MB)




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Author(s) Sloan, J. and N. Blakley
Description The Department of Ecology collected and analyzed three sediment samples from nine proposed freshwater reference areas during the summer of 2008. Areas were chosen to represent diverse ecological zones statewide: the Chester-Morse Reservoir, Columbia River at Beacon Rock State Park, Lake Ozette, Mountain Lake, Lake Wenatchee, the Little Spokane River, McDowell Lake, the Palouse River at the confluence with the Snake River, and South Skookum Lake.

Target chemical analyses included total organic carbon, percent solids, grain size, sulfides, ammonia, semi-volatile organic compounds, polychlorinated biphenyls, polycyclic aromatic hydrocarbons, chlorinated pesticides, and metals. The bioassays suite included 20-day Midge (Chironomus tentans), 28-day Amphipod (Hyalella azteca), and Microtox.

Individual sample locations are recommended for use.
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Keywords Reservoir, Snake River, WRIA 62, Spokane County, WRIA 20, Spokane River, Columbia River, river, water, Ecology, lake, freshwater, freshwater sediment
WATERSHED Water Resource Inventory Areas
(WRIA 02,WRIA 08,WRIA 20,WRIA 34,WRIA 45,WRIA 55,WRIA 62,WRIA CR)
DATA Environmental Information Management (EIM) #NBLA0006

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Quality Assurance Project Plan: Evaluation of Candidate Freshwater Sediment Reference Sites