Man-made per- and polyfluoroalkyl substances, known as PFAS, are found in all sorts of industrial and consumer products, including carpets, rain jackets, and makeup. They’re also in our drinking water—and in our blood. The EPA has recently announced plans to regulate the amount of certain PFAS in our water supply. But will these rules do enough to control chemicals for which there is no safe level of exposure? Guest: Esmé E. Deprez, independent investigative journalist. Want more What Next? Subscribe to Slate Plus to access ad-free listening to the whole What Next family and across all your favorite Slate podcasts. Subscribe today on Apple Podcasts by clicking “Try Free” at the top of our show page. Sign up now at slate.com/whatnextplus to get access wherever you listen. Podcast production by Elena Schwartz, Paige Osburn, Anna Phillips, Madeline Ducharme and Rob Gunther. Learn more about your ad choices. Visit megaphone.fm/adchoices