"Paper/paperboard food packaging: PFAS may be used as grease-proofing agents in fast-food wrappers, microwave popcorn bags, take-out paperboard containers, and

"Paper/paperboard food packaging: PFAS may be used as grease-proofing agents in fast-food wrappers, microwave popcorn bags, take-out paperboard containers, and pet food bags to prevent oil and grease from foods from leaking through the packaging." https://www.fda.gov/food/chemical-contaminants-food/authorized-uses-pfas-food-contact-applications https://www.fda.gov/food/chemical-contaminants-food/authoriz...