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United States Department of Agriculture

Agricultural Research Service

Image Number D2727-1

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Image Number D2727-1

Using a gas chromatograph, technician Renee Russell analyzes the pesticide content of water samples collected at various points along a vegetated drainage ditch. The goal is to determine how the ditches affect the fate and distribution of pesticides.

 

Photo by Peggy Greb.


640 pixels wide: (d2727-1.jpg)




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Last Modified: 12/12/2012