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In this webinar we were pleased to have a presentation by Grant Carey, PhD, President of Porewater Solutions. His presentation provided an overview of colloidal activated carbon (CAC) performance and long-term strategies for in-situ PFAS remediation based on several case studies.

Highlights of this free webinar:

  • Strategies for site characterization and feasibility studies at PFAS sites where CAC is likely to be considered as a remedy.

  • Evaluating the effect of barrier placement (e.g., near source versus downgradient site boundary) on long-term performance.

  • Modeling the effects of coastal site tidal fluctuations and groundwater geochemistry on CAC performance.

  • Influence on CAC longevity from chromatographic separation of short-chain compounds such as PFBS inside the barrier.

  • Strategies for long-term site management after implementation of a CAC remedy.

  • Implications of EPA’s final PFAS National Primary Drinking Water Regulation with the implementation of CAC for PFAS remediation.

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About the Presenter:


REGENESIS Webinar with special guest presenter Grant Carey, PhD
President, Porewater Solutions
Dr. Grant Carey is President of Porewater Solutions with more than 30 years of experience specializing in the characterization, modeling, and remediation of many impacted sites across North America. Grant also specializes in the development of innovative modeling and visualization tools for conducting PFAS forensic assessments and for evaluating long-term remediation strategies. Grant is currently involved with five SERDP-ESTCP projects where his main research focus is on PFAS transport and remediation. Grant is also an Adjunct Research Professor at Carleton University in Ottawa, Ontario.