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Title

Surface Water Monitoring Program for Pesticides in Salmonid-Bearing Streams, April to December, 2003: A Cooperative Study Conducted by the Washington State Departments of Ecology and Agriculture

 
Publication number Date Published
04-03-048November 2004
VIEW NOW Surface Water Monitoring Program for Pesticides in Salmonid-Bearing Streams, April to December, 2003: A Cooperative Study Conducted by the Washington State Departments of Ecology and Agriculture (Number of pages: 110) (Publication Size: 793KB)




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Author(s) Anderson, P., R. Jack, C. Burke, J. Cowles, and B. Moran
Description This report describes first-year (2003) results in a multi-year monitoring effort to characterize pesticide concentrations in salmon-bearing surface waters. Urban runoff is investigated in Thornton Creek, located in the Cedar-Sammamish watershed. Agricultural land use is evaluated through sampling of the Marion Drain, Spring Creek, and Sulphur Creek Wasteway drainages of the Lower Yakima watershed.

Concentrations of all chemicals were generally low and close to analytical detection limits. 2,4-D was the most commonly detected chemical; however, pentachlorophenol was most commonly detected in the urban watershed. Endosulfan sulfate, azinphos-methyl, chlorpyrifos, diazinon, and 4,4’-DDE results were above the numeric component of selected standards.
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Contact Joan LeTourneau at 360-407-6764 or jlet461@ecy.wa.gov
Keywords stream, creek, sampling, environmental, surface water, urban, study, water, monitoring, toxic, waste, salmon, pesticide, Environmental Protection Agency, agriculture
WATERSHED Water Resource Inventory Areas
(WRIA 08,WRIA 37)
DATA Environmental Information Management (EIM) #RJAC0010

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