Read the full article by Jyllian Kemsley (C&EN)

“A division of the US Department of Health and Human Services has finalized health risk levels for four per- and polyfluoroalkyl substances (PFAS). PFAS are valuable as manufacturing aids and in consumer products for properties such as resistance to heat, stains, and water. But those properties also mean that they are environmentally persistent, and several have been linked to cancer and other health problems…”