In a First, the E.P.A. Warns of ‘Forever Chemicals’ in Sludge Fertilizer

Payne Institute Faculty Fellow Christopher Higgins contributed to this article about how levels of PFAS in sewage sludge used as fertilizer can pose risks that sometimes exceed safety thresholds “by several orders of magnitude,” the agency said.  Historically, he said, sludge had been applied at concentrations greater than the levels now deemed risky by the E.P.A.  January 14, 2025.