Environmental PFAS testing is no longer just about finding compounds. It is about understanding what the results mean for environmental risk, regulatory obligations and future action. Effective PFAS testing begins by defining the environmental decision to be made, then selecting the data needed to support that decision. About the authorLuca Fagiuoli, Global Business Development Manager for Environmental Testing at SGS, leads global business development activities for environmental testing services at SGS and coordinates the company’s global PFAS working group. Obal, T., Advances in Monitoring PFAS in Air, SGS, 2026; PFAS in Air: Laboratory Challenges and Opportunities, SGS, 2025.