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Title

PBT Trend Monitoring: Measuring Lead in Suspended Particu late Matter, 2015 Results

 
Publication number Date Published
16-03-017April 2016
VIEW NOW: PBT Trend Monitoring: Measuring Lead in Suspended Particu late Matter, 2015 Results (Number of pages: 9) (Publication Size: 1261KB)




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Author(s) Clinton, C., M. Friese, and D. Serdar
Description This study summarizes results from the eighth year of sampling lead in suspended particulate matter (SPM) as part of the PBT trend monitoring program.

The Department of Ecology analyzed a total of 28 SPM samples from seven monitoring sites in 2015. Lead concentrations ranged from below detection limits to 770 mg/kg, with a median of 177 mg/kg. The highest levels were found in the Spokane River, followed by urban streams and the Upper Columbia River.

A small sediment trap pilot study initiated in 2015 will be discontinued. Other recommendations include increasing sampling frequency and adding more small streams to the monitoring site list.
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Contact Callie Mathieu at 360-407-6965 or callie.mathieu@ecy.wa.gov
Keywords rivers, suspended particulate matter, toxics, streams, PBTs, lead
WEB PAGE Lead in suspended particulate matter
DATA Environmental Information Management (EIM) #PbTrends15

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