Pesticide Occurrence and Distribution in the Lower Clackamas River Basin, Oregon, 2000

Scientific Investigations Report 2008–5027

U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2008–5027

Figure - refer to figure caption for alternative text description

Figure 6. Percentage of total pesticide concentration from the common herbicide products RoundUP™ (glyphosate and its degradate AMPA) and Crossbow™ (2,4–D and triclopyr), fungicides, and insecticides for storm samples collected from tributaries, May and September 2005. (Samples are sorted by percentage of glyphosate/AMPA, 2,4-D, and triclopyr.)

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