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Title

Measuring Mercury Trends in Freshwater Fish in Washington State, 2008 Sampling Results

 
Publication number Date Published
09-03-045September 2009
VIEW NOW: Measuring Mercury Trends in Freshwater Fish in Washington State, 2008 Sampling Results (Number of pages: 72) (Publication Size: 1MB)




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Author(s) Furl, C., C. Meredith, and M. Friese
Description Mercury concentrations were measured in 60 individual bass and 30 composite samples representing six other species as part of the fourth year of long-term monitoring of mercury in fish tissues across Washington State. Previous Department of Ecology (Ecology) studies identified elevated mercury levels leading to fish consumption advisories.

Consistent with previous Ecology mercury fish tissue reports, mercury concentrations were generally related to fish age and size within a particular waterbody. Bass had higher concentrations than other species analyzed. Thirty percent of individual bass tested did not meet EPA’s recommended water quality criterion of 300 ppb. All composite samples met (were below) this threshold.
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Contact Joan LeTourneau at 360-407-6764 or jlet461@ecy.wa.gov
Keywords sampling, environmental, lakes, fish, water, trend, WRIA 17, mercury, freshwater
WEB PAGE Mercury in fish tissue
WATERSHED Water Resource Inventory Areas
(WRIA 07,WRIA 13,WRIA 17,WRIA 22,WRIA 24)
DATA Environmental Information Management (EIM) #HgFish08

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