*Applications will be reviewed on a rolling-basis.Five research opportunities are currently available at the U.S. Food and Drug Administration (FDA), Center for Food Safety and Applied Nutrition (CFSAN), in the Office of Regulatory Science (ORS) located in College Park, Maryland.The project will involve the development of methods for the quantitative determination of chemical constituents, contaminants and adulterants in foods and dietary supplements using chromatography and mass spectrometry (MS)-based techniques (i.e. LC-UV, LC-MS, GC-FID, GC-MS). Under the guidance of a mentor, the selected participant will receive training in the following areas during the specified period:The development of sample homogenization, digestion and extraction procedures for the analysis of complex foods and dietary supplements.The development of chromatographic (e.g. gas chromatography and liquid chromatography) and/or mass spectrometric methods for the characterization of chemical constituents and identification of potential contaminants or adulterants in foods and dietary supplements.The operation and customization of chromatography (e.g. gas chromatography and liquid chromatography) and/or mass spectrometry systems.Participate and/or organize the validation (single laboratory and multi-laboratory) of analytical methods for the determination of chemical constituents, contaminants and adulterants in foods and dietary supplements.Data analysis and preparation of reports and scientific manuscripts.Anticipated Appointment Start Date: January 4, 2021This program, administered by ORAU through its contract with the U.S. Department of Energy to manage the Oak Ridge Institute for Science and Education, was established through an interagency agreement between DOE and FDA. The initial appointment is for seven months, but may be renewed upon recommendation of FDA contingent on the availability of funds. The participant will receive a monthly stipend commensurate with educational level and experience. Proof of health insurance is required for participation in this program. The appointment is full-time at FDA in the College Park, Maryland, area. Participants do not become employees of FDA, DOE or the program administrator, and there are no employment-related benefits.If you have questions, send an email to ORISE.FDA.CFSAN@orau.org. Please include the reference code for this opportunity (FDA-CFSAN-2021-0008) in your email.