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United States Department of Agriculture

Agricultural Research Service

ARS Photo Library

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Image Number D618-1

Food microbiologist Kathleen Rajkowski evaluates how well a pulsed ultraviolet light treatment inactivates bacterial pathogens on the surface of test media.

Photo by Peggy Greb.



640 pixels wide: (d618-1.jpg)




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Last Modified: 9/26/2006
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