USGS Scientific Invesigations Report 2012–5068  - Reconnaissance of Contaminants in Selected Wastewater-Treatment-Plant Effluent and Stormwater Runoff Entering the Columbia River, Columbia River Basin, Washington and Oregon, 2008

Scientific Investigations Report 2012–5068 

Reconnaissance of Contaminants in Selected Wastewater-Treatment-Plant Effluent and Stormwater Runoff Entering the Columbia River, Columbia River Basin, Washington and Oregon, 2008–10 

Figure 6. Concentrations of diphenhydramine, trimethoprim, galaxolide, and nonylphenol compounds in wastewater-treatment-plant-effluent samples, Columbia River Basin, Oregon, 2008–09. (n = 16 for all compounds.)

First posted April 25, 2012

Report PDF (5 MB)

For additional information contact:
Director, Oregon Water Science Center
U.S. Geological Survey
2130 SW 5th Avenue
Portland, Oregon 97201
http://or.water.usgs.gov

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