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United States Department of Agriculture

Agricultural Research Service

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Image Number D1311-1

Chemist Weilin Shelver (left) and technician Amy McGarvey examine ELISA test results of river water, tap water, and sewage samples for content of the widely used antibacterial agent triclosan.


Photo by Grant Harrington.

640 pixels wide: (d1311-1.jpg)

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Last Modified: 8/13/2016
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