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• AEG Event 4/24/25: PFAS Remediation Using Colloidal Activated Carbon

  • When
    24 Apr 2025
  •  
    6:00 PM - 10:00 PM
  • Location
    60 Cottontail Lane, Somerset, NJ 08873

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  DINNER MEETING ANNOUNCEMENT

  PFAS Remediation Using Colloidal Activated Carbon – Scientific Basis, Application Strategies, and Case Study Katarina Seymour, Mid-Atlantic District Manager REGENESIS April 24, 2025 At the Clarion Hotel in Somerset, New Jersey     A colloidal activated carbon (CAC) injection in the form of a permeable reactive barrier (PBR) to halt the migration of PFAS contaminated groundwater.   Time: Social Hour 6:00 pm – 6:45 pm    /    Dinner 6:45 pm – 7:45 pm    Presentation begins at 8:00 pm      Place:    Clarion Hotel     /     60 Cottontail Lane, Somerset, NJ 08873     /     (732) 560-9880      RSVP: End of Business, Tuesday, April 22, 2025.  A timely RSVP is appreciated! Please note, more than one individual can be registered at a time. Also, don't forget to add the event to your calendar from our website! Reminder to regular attendees - you do not need to login to register!   Cost: In-Person Attendance Registration Fees - $40 for AEG members  /  $50 non-members   $5 for students with RSVP  /  Professors attend as our guests at no charge Remote Attendance Registration Fee - $15.00 No LSRP CEC credits will be offered for remote attendance. Important: The online payment links will be sent to you after you register.   Guests are always welcome! Pay at the door by check, cash, or credit card.  Make check payable to AEG. Please RSVP in advance to avoid $5 walk-in fee, effective February 2025.   CECs: One professional development hour (pdh) for continuing education credit (CEC) will be awarded for attending the presentation. SRPLB Approval for One Hour of LSRP Technical CEC will be requested.

  ABSTRACT The recent CERCLA designation of PFAS has heightened concerns surrounding liability, risk, and the long-term management of contaminated sites. Traditional pump-and-treat systems have significant limitations, including high costs, long treatment times, and the generation of secondary PFAS-laden waste requiring disposal. In contrast, colloidal activated carbon (CAC) presents a cost-effective and sustainable in-situ remediation approach by adsorbing PFAS in place, reducing contaminant mobility, and enhancing natural attenuation. This presentation will examine the scientific and regulatory foundations supporting in-situ PFAS remediation, including key research findings and U.S. Department of Defense directives emphasizing cost-effective alternatives. The discussion will also cover: Design considerations for CAC remediation systems Longevity and effectiveness of in-situ PFAS sequestration Cost implications compared to traditional remediation methods A case study from a Mid-Atlantic DOD site will illustrate the real-world application of a CAC retention barrier installed in 2022. The study evaluates CAC dosing strategies, injection techniques, and performance monitoring using passive flux measurement tools. Nearly two years of post-application data demonstrate a greater than 98% reduction in PFOA and PFOS concentrations, highlighting CAC’s effectiveness in mitigating PFAS risk.

  BIOGRAPHY Ms. Katarina Seymour had seven years of experience in environmental consulting in New Jersey prior to joining REGENESIS. She has worked on a variety of sites including ISRA cases, gas stations, childcare centers, residential storage tanks, and industrial projects. Ms. Seymour holds a Master of Science in Environmental Science from the New Jersey Institute of Technology (NJIT) and a Bachelor of Science in Geology from Rutgers University. Ms. Seymour has worked on all phases of contaminated sites ranging from initial site assessment to remediation oversight. Ms. Seymour has worked closely with Licensed Site Remediation Professionals (LSRPs) and is very familiar with the NJDEP Technical Guidance.  As the Mid-Atlantic District Manager, Ms. Seymour works with environmental consulting and engineering firms to develop remedial approaches by offering design, application, and performance review services for in situ groundwater and soil remediation.

  SPONSOR AEG NY-P's April Meeting is sponsored by: REGENESIS Katarina Seymour Mid-Atlantic District Manager Eastern PA, NJ, DC, DE, MD, VA Field Office: Philadelphia, PA C: (484) 650-2592 T: (267) 691-2037 kseymour@regenesis.com https://regenesis.com/ REGENESIS is an expert provider of cost-effective in-situ soil and groundwater remediation products. Offering the only patented, proven in-situ PFAS groundwater treatment at the lowest total cost-to-closure. REGENESIS leads the industry in effective groundwater and source treatment to eliminate PFAS compounds and other emerging contaminants.   ANNOUNCEMENTS Upcoming AEG New York-Philadelphia Chapter Events   • May 15, 2025: Sterling Hill Mine Talk by Mike DiMaio, GANJ. (Details to come)   • June 10, 2025: Field Trip to Edelman Fossil Pit & Museum. (Details to come)   • September 11, 2025: Dr. John Kemeny, the Richard Jahns Distinguished Lecturer for 2024-2025, will present on "Innovative Monitoring and Characterization Technologies (with the help of AI) for Combatting Geologic/Hydrologic Hazards Associated with Climate Change." (Tentative date - to be confirmed)   • September 2025: AEG Annual Meeting - Windy City Geology in Chicago, IL Join the Association of Environmental & Engineering Geologists at the 68th Annual Meeting, to be held at the Westin Chicago River North Hotel from September 23-27, 2025. This annual meeting, at a hotel located in the heart of the Windy City overlooking the skyline and Chicago River, will provide an exciting, educational experience, and a great opportunity to reconnect with your colleagues and meet new ones. Learn more and register to attend, sponsor, or exhibit at AEGannualmeeting.org.    • October 17-18, 2025: GANJ Lecture and Field Trip to Sterling Hill Mine. (Details to come) Other Announcements   • Join or Renew Your AEG Membership! Did you know AEG is working to support our profession through fighting off threats to professional licensure? This is just one of the many ways your association is advocating on your behalf. To continue this important work and offer valuable benefits, WE NEED YOUR HELP through renewal of your AEG membership. Also, AEG grows primarily through word of mouth and the excellent local and regional programs offered by AEG chapters. Please invite your coworkers and professional colleagues to a chapter event and encourage them to join you as an AEG member. Log in at www.aegweb.org to renew or join!

  NEWS • AEG NY-PHILA at the 2025 LSRPA Conference  We showcased our Technical Talks and Geologic Field Trips focused on Site Remediation, highlighted the “Roadside Geology of New Jersey,” and served candy rocks to the over 500 attendees at the Licensed Site Remediation Professionals Association (LSRPA) Conference, March 26, 2025, in New Brunswick, NJ   • Do you have news we can use?  If you have an announcement or request you would like to have distributed, please let us know!   • National newsletter contributions. Send us your news item for inclusion in the national AEG Newsletter, including news about our members for the Homefront section!

  2025 - 2026 AEG New York-Philadelphia Chapter Board: Chair:  Loren Lasky, NJDEP, Hill Environmental, retired         Vice Chair:  Tom Cumello, Dewberry Past Chair:  Rose DeLorenzo, LSRP Consulting Past Chair: Jim Peterson, Princeton Geoscience Treasurer:  Ted Toskos, Jacobs                  Co-Secretary:  Tim Hull, Princeton Geoscience Co-Secretary:  Joelle Freeman, Verdantas Webmaster: Jennifer Cherlin, Galli Engineering Student Outreach Chair: Professor Alec Gates, Rutgers University-Newark Contact us at aeg.nyp@gmail.com with questions or to get involved!

  
  

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