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Title

PBT Trend Monitoring: Measuring Lead in Suspended Particulate Matter from Washington State Rivers and Lakes, 2009 Results

 
Publication number Date Published
10-03-041June 2010
VIEW NOW PBT Trend Monitoring: Measuring Lead in Suspended Particulate Matter from Washington State Rivers and Lakes, 2009 Results (Number of pages: 46) (Publication Size: 1MB)




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Author(s) Meredith, C. and C. Furl
Description Lead in suspended particulate matter (SPM) was analyzed from 15 sites throughout Washington State in the spring and fall of 2009 for the second year as part of a long-term monitoring program.

SPM was collected twice per season (spring and fall), for a total of 60 samples. Lead was detected in 95% of the samples, and concentrations ranged from <1 - 1,214 mg/Kg. The highest values were from the Spokane River at the Idaho border in both seasons. With the exception of the Spokane, Upper Columbia, and Duwamish Rivers, lead concentrations were near or slightly above reference bottom sediment levels.
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Keywords particulate matter, lakes, Snohomish, Spokane River, WRIA 57, Columbia River, river, trend, Ecology, monitoring, toxic, lead
WEB PAGE Washington State Toxics Monitoring Program
WATERSHED Water Resource Inventory Areas
(WRIA 07,WRIA 08,WRIA 09,WRIA 10,WRIA 21,WRIA 32,WRIA 37,WRIA 45,WRIA 49,WRIA 54,WRIA 57,WRIA CR)
DATA Environmental Information Management (EIM) #PbTrends09

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