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RemTEC Summit

Dylan Eberle

Geosyntec Consultants

Dr. Eberle has developed expertise in site characterization, emerging contaminants, litigation support, and innovative remediation technologies. He also has experience with the characterization and remediation of soil and groundwater contaminated with both priority pollutants and emerging contaminants. His experience with innovative remediation technologies includes field testing of a Direct Push Technology Jet Injection method to emplace zero-valent iron in clay-till for the treatment of chlorinated solvents. Dr. Eberle's experience with emerging contaminants includes working on sites contaminated with per- and polyfluoroalkyl substances (PFAS) and 1,4-dioxane, along with lead authorship on publications in Chemosphere and Environmental Science and Technology.


Practical Application of PFAS Forensics

Increasingly when we detect PFAS in the environment we need tools to differentiate sources, timing of releases, define background concentrations, and determine if the detected PFAS originated from a single source, multiple sources, or if detections represent “anthropogenic background” not clearly associated with a distinct process or release. As PFAS forensics emerges as a field many of the forensic techniques that have been established for other complex contaminant mixtures, such as PAHs and PCBs, are also being utilized to develop distinct PFAS “fingerprints” and identify sources. In addition, the complex chemistry of PFAS has also led to several novel forensic techniques unique to PFAS. This presentation will provide an overview of PFAS forensic techniques and discuss several “real world” case studies. This presentation will demonstrate how to contextualize results in order to effectively communicate PFAS forensics to both clients and regulators, particularly when attempting to identify and differentiate sources.

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