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ITRC PFAS Beyond the Basics: PFAS Treatment Technologies Training

Sponsored by: Interstate Technology and Regulatory Council


This training class builds on the earlier information for treatment technologies presented in the PFAS 101 CLU-IN training. It provides more in-depth information regarding considerations for implementing integrated PFAS treatment technologies and remediation strategies. This training introduces the concept that achieving site remedial objectives will likely necessitate the implementation of multiple treatment technologies and remediation strategies (i.e., an integrated remedial strategy). Specifically, this training uses a hypothetical conceptual site model to frame the discussion of remedial approaches for PFAS impacted source area soil, source area groundwater, and more dilute groundwater plumes. The training concludes with a discussion of select field implemented and developing disposal and destructive technologies for managing treatment residuals.

Resources and further details for the topics included in this training are in the published PFAS-1 guidance document in Sections 12 and 15 along with referenced tables.

Learning Objectives:

  • What types of media, sources, and pathways might require intervention and treatment?
  • How are field-implemented PFAS remediation technologies commonly applied?
  • What developing technologies show promise for PFAS treatment?
  • How may integrated remedial strategies be applied?
  • What are the key considerations for applying field implemented and developing technologies?

A photograph of Rich EvansRich Evans, GES (revans@gesonline.com)
Richard Evans, PE, is a Senior Vice President with overall responsibility for the firm’s technical practices in the areas of engineering, hydrogeology, air quality, drones, and data management and visualization. He has 25 years of experience in the environmental field. Rich leads the behavior-based Quality program and the emerging contaminants team at GES. He is also a member of GES’ Artificial Intelligence team. In addition to being a member of the ITRC PFAS team, he is on the steering committee of the Sustainable Remediation Forum (SURF) Environmental Justice team. Rich holds a Bachelor’s degree in Chemical Engineering from the University of Pennsylvania.


A photograph of Nathan HagelinNathan Hagelin, WSP (nathan.hagelin@wsp.com)
Nathan Hagelin is Senior Vice President and the Director of the Office of Technical Practice for WSP in the US. He is a remediation technology leader in WSP’s Emerging Contaminants Practice Area Network with a focus on PFAS groundwater treatment. He is a Licensed Geologist, Licensed Environmental Professional, and Board-Certified Environmental Scientist working for 35 years on the remediation of contaminated industrial properties and military installations. He has prior experience as a Hydrologist with the U.S. Geological Survey Water Resource Division.


A photograph of Emily Pulcher, P.E.Emily Pulcher, P.E., Burns and McDonnell (eapulcher@burnsmcd.com)
Emily is a chemical engineer at Burns & McDonnell in St. Louis, Missouri, where she specializes in environmental compliance and remediation. She has been the technical lead on PFAS treatment technology evaluations including foam fractionation, granular activated carbon, ion exchange, reverse osmosis, and novel destructive methods to help clients prepare to face evolving regulatory challenges. She also serves as co-lead of Burns & McDonnell's PFAS and emerging contaminants practice. In this role, Emily coordinates a team of PFAS-focused professionals to provide comprehensive PFAS risk-mitigation services to clients nationwide. She has a BS in chemical engineering from Washington University in St. Louis and is currently completing a MS in Environmental Engineering from the Missouri University of Science & Technology.


A photograph of Andrew Safulko, P.E.Andrew Safulko, P.E., Brown and Caldwell (Asafulko@brwncald.com)
Andrew Safulko is the National Technology and Innovation Leader for Brown and Caldwell's Site Investigation, Remediation, and Solid Waste practice. Andrew received his bachelor's degree in Environmental Engineering from the University of Colorado at Boulder and his master's degree in Environmental Engineering from the Colorado School of Mines. Andrew is a licensed Professional Engineer in the state of Colorado and supports private and municipal clientele in addressing PFAS challenges. Andrew co-leads the Interstate Technology and Regulatory Councils (ITRC) PFAS Treatment Technologies group.


A photograph of Cliff ShierkCliff Shierk, MN Pollution Control Agency (Cliff.Shierk@state.mn.us)
Cliff Shierk is a principal engineer with the solid waste permitting group at the Minnesota Pollution Control Agency. He has 17 years of experience in the field of environmental engineering and has worked extensively with landfills, remediation systems, and large environmental cleanup projects. He began his career as a design engineer on a large "lift-and-line" landfill project involving PFAS-laden waste and has been addressing PFAS in landfill leachate and groundwater ever since. Cliff is a registered professional engineer in Minnesota and holds degrees from the University of Illinois at Chicago (M.S.) and the University of Minnesota-Twin Cities (B.C.E.). He has served as a co-leader of the ITRC PFAS Treatment Technologies writing subgroup since 2018.


A photograph of Ted TylerTed Tyler, Cardno (ted.tyler@cardno-gs.com)
Mr. Tyler has 30 years of experience in the characterization and remediation of a wide variety of contaminants under federal (CERCLA, RCRA), state, tribal, and international regulatory programs. His experience includes but is not limited to providing solutions to challenging environmental issues at Department of Defense sites (Navy, Air Force, Air National Guard), airports/airfields, refineries, industrial/commercial and tribal sites. His contaminant experience includes, but is not limited to, emerging contaminants (PFAS; 1,4-dioxane; perchlorate), chlorinated solvents, fuel hydrocarbons (jet fuels, leaded-unleaded gasoline, diesel), dioxins, metals (e.g., hexavalent chromium, arsenic), munitions and explosives of concern (MEC), radionuclides (radium, strontium), and others. Mr. Tyler has been a contributing author providing thought leadership for the ITRC for almost 20 years with teams such as PFAS; 1,4-dioxane; DNAPL Site Characterization, Fractured Rock Characterization and Remediation, and Perchlorate.


A photograph of Li WangLi Wang, CADTSC (Li.Wang@dtsc.ca.gov)
Li Wang received his PhD in Environmental Engineering from Tufts University. He has worked in both China and U.S. on many site investigation and remediation projects. Currently, Li is a senior hazardous substances engineer at California Department of Toxic Substances Control (DTSC) providing engineering review and technical support for cleanup projects overseen by the state. He is also the technical lead of the PFAS Work Group within DTSC's Site Mitigation & Restoration Program.


A photograph of Scott WilsonScott Wilson, REGENESIS (SWilson@Regenesis.com)
Scott Wilson is President & CEO of REGENESIS, a global leader in the development of environmental restoration technologies. Patented technologies developed by REGENESIS have been used to successfully remediate >30,000 contaminated project sites worldwide. Mr. Wilson is a widely published expert with 30 years of experience in applied microbiology and bioremediation processes. He has overseen the design and implementation of more than 100 innovative full-scale remediation projects employing advanced technologies. He served for eight years on the faculty of the National Water Well Association (now the NGWA). Mr. Wilson received a M.S. from the University of Texas at El Paso in applied microbiology (related to geochemistry and petroleum engineering), and an M.B.A. from the Kellogg School of Management at Northwestern University.


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ITRC Training Program (itrc@itrcweb.org)


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It is EPA's policy to make reasonable accommodation to persons with disabilities wishing to participate in the agency's programs and activities, pursuant to the Rehabilitation Act of 1973, 29 U.S.C. 791. Any request for accommodation should be made to at or , preferably one week or more in advance of the webinar, so that EPA will have sufficient time to process the request. EPA would welcome specific recommendations from requestors specifying the nature or type of accommodation needed. EPA welcomes specific recommendations from requestors specifying the nature or type of accommodation needed. Please note that CLU-IN provides both alternate phone call-in options and closed captioning for all webinars, and requests for these specific accommodations are not necessary.

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