Environmental Protection Agency April 10, 2024 3:39 pm What are PFAS? PFAS or polyfluoroalkyl substances, also known as “forever chemicals”, are a class of chemicals used in consumer and industrial products. US & World Videos 2:38 Fleeing Milton: ‘The people who never leave are leaving' 1:12 Hurricane Milton makes landfall in Mexico en route to Florida 0:41 Biden pledges federal support to Florida ‘before, during and after' Hurricane Milton 2:07 WATCH: Florida Aquarium moves feathered residents to higher ground 0:58 NASA astronaut shares remarkable view of Hurricane Milton from space