New PFAS Findings Open Door To ‘No Safe Level’ Regulatory Approach

Environmentalists say EPA’s newly proposed, stringent risk assessments for two key per- and polyfluoroalkyl substances (PFAS) could prompt officials to adopt an approach that assumes no level of exposure is safe for humans -- teeing up rules that could mirror policies for lead and carcinogens like asbestos under TSCA and other programs. Betsy Southerland, a former official in EPA’s water and waste offices now with the Environmental Protection Network of agency alumni, tells Inside TSCA that she expects the...