Review
Open access
Sep 2026
From PFOS to a Sum of 25 PFASs: Regulatory and Effect-Based Risk Assessment in the River Ruhr
Regulatory assessment of per- and polyfluoroalkyl substances (PFASs) in European surface waters is shifting from a single-compound environmental quality standard (EQS) for perfluorooctane sulfonic acid (PFOS) toward a potency-weighted sum of 25 PFASs criterion under the revised Water Framework Directive (WFD). This env...
G. Schertzinger, Raquel González de Vega, Viktoria Müller et al.
· Toxics · 0 citations