shows people in masks: a black man and a white man in dark suits, a woman in a lab coat and another man (seen from behind) who's wearing a jacket and gesturing with his hands as he talks about PFAS.

EPA Administrator Michael Regan and Gov. Roy Cooper visit the lab of NC State University engineering professor Detlef Knappe to see their work around PFAS contamination in water in October, 2021. Credit: Rose Hoban

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