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This symposium looks at various methods used to detect PFAS in foods, cosmetics, packaging, and commercial products.
The first talk starts at 9:40 am, by Oliver Cawdell of Vista Analytical Laboratory, looks at maximizing analytical recovery of PFAS in food matrices. Their study compares the use of the quick, easy, cheap, effective, rugged, and safe (QuEChERS) technique to solid-phase extraction (SPE) for varying types of food samples. A suite of 41 PFAS was targeted for all techniques.
Next, at 10:30 am, Carin Huset of the Minnesota Department of Health will present a talk on PFAS in homegrown produce. Homogenization and a dispersive SPE were used to prepare samples in a variety of produce types. Isotope dilution and liquid chromatography–tandem mass spectrometry (LC–MS/MS) were used for quantification of seven PFAS of interest.
The final talk, starting at 11:05 am, will be given by Wendy Young of the U.S. Food and Drug Administration (FDA). Recently the FDA has developed methods for total diet study samples and has been working with states and other stakeholders on sample analysis. The FDA is also currently assisting states with validating methods. This discussion on the past, present, and future analysis of PFAS in food and food packaging at the FDA also will address the need for future interlaboratory studies.