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United States Department of Agriculture

Agricultural Research Service

ARS Photo Library

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Image Number K7429-11

The interagency IR-4 program ensures the safety of so-called minor-use chemicals before they are approved for commercial agricultural production. At Salinas, California, ARS agronomist Sharon Benzen displays test-plot-grown broccoli that will be used to determine pesticide residue levels. Photo by Scott Bauer.

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Last Modified: 5/23/2006