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United States Department of Agriculture

Agricultural Research Service

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Image Number D2532-1

At the Crop Improvement and Protection Research Unit in Salinas, California, entomologist Yong-Biao Liu injects fumigant samples into a gas chromatograph to determine phosphine concentrations.


Photo by Tiffany Masuda.

640 pixels wide: (d2532-1.jpg)

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Last Modified: 8/13/2016
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