Superfund Research Program
December 2020 Seabird tissue samples contain high levels of both legacy and emerging per- and polyfluoroalkyl substances (PFAS), according to NIEHS-funded researchers. Study results reflect the shift toward production of new PFAS to replace legacy chemicals. PFAS are a large group of manmade chemicals. Due to their environmental persistence and known impacts on human health, many legacy PFAS have been phased-out of production. [Full Text]