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U.S. Department of Health and Human Services

About FDA

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Division of Residue Chemistry (DRC)

The Division of Residue Chemistry, Office of Research, is responsible for the development and evaluation of analytical methods for drug residues in animal tissues, fluids, and feeds. These methods are used in regulatory programs and in research studies. The Division of Residue Chemistry conducts metabolism and pharmacokinetic studies that aid the Center for Veterinary Medicine in improving drug availability for minor uses and minor species. Regulatory scientists are able to develop better models for drug bioavailability, fate, and disposition. The division is also responsible for the review of drug residue diagnostic tests (screening tests) as well as determining accurate product labeling, suitable for use by industry and regulators of animal-derived foods such as milk.