Mealey's (February 15, 2023, 8:31 AM EST) -- CHICAGO — A federal judge in Illinois has dismissed a lawsuit for contamination from per- and polyfluoroalkyl substances (PFAS) in microwaveable popcorn bags, finding that PFAS does not need to be listed as an ingredient in the product based on the U.S. Food and Drug Administration’s exemption of migratory substances from the mandated list of “ingredients” on food product packaging....