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The race to destroy PFASs — rather than simply removing them from soil and water — has accelerated dramatically in recent years. Destruction technologies are increasingly being deployed at contaminated sites around the world, and regulators, consultants and site owners are under growing pressure to demonstrate that destruction is not simply moving the problem from one medium to another. Yet a critical question has received surprisingly little systematic attention: what, if anything, comes out of the stack, the off-gas, or the reaction vessel when PFASs are destroyed, and how do we know if there are any emissions?
Drawing on the findings of Silsby et al. (2026) published in Nature Reviews Earth and Environment, this webinar presents a synthesis of what we know about air emissions generated during PFAS destruction processes. Dr. Higgins will examine what the peer-reviewed literature tells us about the formation of fluorinated and non-fluorinated products of incomplete destruction (PIDs) across a range of destruction technologies and how we can go about measuring and monitoring them.
This webinar will explore:
What PIDs have been identified in the literature, and under what operational conditions they arise
How emission profiles differ across technology types
This webinar will be of particular value to environmental consultants, remediation project managers, technology vendors, regulators and researchers involved in PFAS site assessment, treatment selection and risk communication.
Christopher P. Higgins is an environmental chemist at the Colorado School of Mines with 25 years of experience examining the behaviour of poly- and perfluoroalkyl substances (PFASs) in the environment. Dr Higgins received his A.B. in Chemistry from Harvard University and graduate degrees in Civil and Environmental Engineering from Stanford University. He joined Mines in 2009, attaining the title of University Distinguished Professor in 2022 and AMAX Distinguished Chair of Civil and Environmental Engineering in 2025. He was the recipient of the 2019 Huber Prize in Civil Engineering Research, awarded by the American Society of Civil Engineers, and was the lead Principal Investigator for the 2020 Environmental Restoration Project of the Year for the U.S. DoD’s Strategic Environmental Research & Development Program. His research focuses on the movement of contaminants in the environment. In particular, he studies chemical fate and transport in natural and engineered systems, with a focus on PFASs. Dr Higgins has authored over 188 peer-reviewed publications.
ALGA Member: $37.00
Non-Member: $74.00
Students: $15.00
All fees include GST
1 CPD Point
