ITRC PFAS Beyond the Basics: Topics on PFAS Biosolids: Sources, Transport, and Management of PFAS Surface Releases Training

This training class builds on the earlier information for introductory PFAS topics presented in the PFAS 101 CLU-IN training. The ITRC PFAS Beyond the Basics class provides more information related to potential sources of PFAS in biosolids, implications of PFAS associated with land-applied biosolids, vadose zone fate and transport processes that likely govern biosolids releases, treatment/disposal options for PFAS-impacted biosolids, and regulatory considerations.

Resources and further details for the topics included in this training are in the published PFAS-1 guidance document in Sections 2, 4, 5, 8, 10, 12, and 17.3, and the Regulatory Programs Table.
Learning Objectives:

• Biosolids and PFAS Fate and Transport in the Vadose Zone
• Source Zone Characteristics
• Vadose Zone Controls on Mobility
• Field Scale Fate, Transport and Uptake
• Characterization and Treatment
• Additional Biosolids Considerations and Summary

Chris Evans, ME DEP (gordon.c.evans@maine.gov)
Chris Evans is a Senior Environmental Hydrogeologist at the Maine Department of Environmental Protection, where he has over 20 years' experience providing technical review and oversight of hazardous waste investigations and remediation projects, primarily under the DoD/CERCLA and RCRA programs. Since 2016 he has served as a primary technical lead for PFAS at Maine DEP. Chris has a BS in geology from Tufts and an MS in Geological Science from the University of Maine, and prior to the DEP worked in environmental consulting and at environmental laboratories in Maine and Michigan. Chris has been a member of the ITRC PFAS team since its beginning in 2017.

Sarah LaRoe, Ph.D., Anchor QEA (slaroe@anchorqea.com)
Sarah LaRoe, Ph.D., is a Managing Environmental Scientist at Anchor QEA, LLC in Saratoga Springs, NY. She specializes in chemical fate and transport in contaminated systems, remedial dredge design, and the evaluation of remedial outcomes. She has worked on multiple Superfund cleanup projects, including the Hudson River Dredging Project, the Grasse River Superfund site, and developed CSMs for many PFAS sites. She has been a contributing member of the ITRC PFAS Team since its inception in 2017, focusing on the development of material on the physical and chemical properties of PFAS. Dr. LaRoe received her doctorate from Rensselaer Polytechnic Institute in Environmental Engineering, focusing on microbial bioremediation of recalcitrant contaminants.

Mitch Olson, Ph.D., PE, Trihydro (MOlson@trihydro.com)
Dr. Olson serves as Trihydro's Emerging Contaminants Director and has 23 years of professional experience in consulting and academia. His role involves providing technical guidance on PFAS projects, coordinating PFAS training events within and outside of Trihydro, delivering technical presentations and webinars, and participating in professional organizations (including ITRC's PFAS team). He also provides technical input on projects involving groundwater and soils impacted with hydrocarbons and chlorinated solvents, including monitored natural attenuation (MNA), natural source zone depletion (NSZD), and active remediation systems. Mitch has a B.S. degree in chemical engineering from the University of Minnesota Duluth and received his M.S. and Ph.D. degrees in environmental engineering from Colorado State University (CSU). Dr. Olson maintains Affiliate Faculty status at CSU and is registered as a Professional Engineer in multiple states.

Harrison Roakes, PE, Sanborn Head & Assoc. (hroakes@sanbornhead.com)
Harrison is an environmental engineer and senior project manager with Sanborn Head. He has broad experience in soil and groundwater investigations, and he presents and publishes regularly on statistical analysis of environmental data and subsurface contaminant transport and fate. He is experienced with PFAS investigations and has been involved with PFAS characterization and data analysis at over 25 PFAS-impacted sites, including state-wide background soil studies in Vermont and Maine and multiple projects evaluating PFAS leaching from soil. He holds a B.S. and M.S. in Environmental Engineering from the University of New Hampshire, and he is a registered Professional Engineer in several states.

Angus McGrath, Stantec (Angus.McGrath@stantec.com)
Angus McGrath serves as Stantec's US Environmental Services Technical Lead for PFAS and has more than 25 years of experience working in environmental geochemistry focusing on fate and transport and in situ remediation. Angus has a bachelor's degree in chemistry from Hamilton College, a PhD in Soil Science (Chemistry) from UC Berkeley and served as a postdoctoral fellow at Lawrence Berkeley National Laboratory. Angus currently serves on the ITRC PFAS Team in the fate and transport subgroup and work with clients in various industries (oil and gas, airports, landfill leachate, metal recycling, metal finishing, electronics manufacturing, etc.) on PFAS, metals and solvent related projects.

Fabio Iwashita, NY DEC

Moderator:

ITRC Training Program (itrc@itrcweb.org)

• These materials will be available by Thursday, May 9, 2024

Webinar Slides and References:

• These materials will be available by Thursday, May 9, 2024

Additional Resources:

• These materials will be available by Thursday, May 9, 2024

The feedback form for this webinar will be available starting on Thursday, May 9, 2024.

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Zoom Resources

This seminar will be delivered through Zoom. Participants are encouraged to update to the latest version of the Zoom application for the best experience. If you are unable to install the Zoom application, most functions will be available if you join just using a modern web browser such as Chrome, Edge or Firefox. We strongly encourage you to run the Zoom Meeting Test prior to attending this seminar. Technical support on the day of the seminar will be very limited and subject to significant delays.

Rehabilitation Act Notice for Reasonable Accommodation

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 ITRC Training Program at 202-266-4932 or itrc@itrcweb.org, preferably one week or more in advance of the seminar, 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.

Rehabilitation Act Notice for Reasonable Accommodation

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 ITRC Training Program at 202-266-4932 or itrc@itrcweb.org, 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.

Webinar Recording

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Content Disclaimer

This webinar is intended solely to provide information to the public. The views and opinions expressed as part of this webinar do not necessarily state or reflect those of the U.S. Environmental Protection Agency. It is not intended, nor can it be relied upon, to create any rights enforceable by any party in litigation with the United States, or to endorse the use of products or services provided by specific vendors. With respect to this webinar, neither the United States Government nor any of their employees, makes any warranty, express or implied, including the warranties of merchantability and fitness for a particular purpose, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights.