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United States Department of Agriculture

Agricultural Research Service

ARS Photo Library

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Image Number K9226-1

Technician Marge Lorentzsen loads dioxin samples into a gas chromatograph/mass spectrometer (GC/MS) autoinjector for analysis.

Photo by Peggy Greb.



640 pixels wide: (k9226-1.jpg)




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Last Modified: 5/23/2006
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