September 2023 Newsletter
Featured Case Study | PlumeStop Shuts Down Pump and Treat System at Superfund Site
This case study reviews a large federally operated Superfund site where REGENESIS Remediation Services (RRS) completed a large-scale PlumeStop application to eliminate the risk of exposure to chlorinated solvents. The PlumeStop treatment prevented plume migration, protecting nearby community drinking water wells. This sustainable approach eliminates the massive carbon footprint created by outdated pump-and-treat approaches.
Amentum, a leading American governmental and commercial services contractor, is the responsible party’s contractor. Amentum has worked with the client at this site for years, providing oversight and management of their contracting partners. The project’s sensitive nature required an enhanced awareness of health, safety, and security issues and seamless coordination between RRS, Amentum, and their client.
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Press Release | REGENESIS’ PlumeStop Technology Finalist in Prestigious Fast Company Awards
We are excited to share that REGENSIS’ PlumeStop colloidal activated carbon technology has been recognized as a Finalist in Fast Company’s Innovation by Design Awards for 2023. With proven efficacy in treating groundwater contaminants including PFAS and chlorinated solvents, this patented solution eliminates the risk of “forever chemicals” and tackles the urgent need to resolve groundwater contamination for communities impacted globally. PlumeStop PFAS treatment transforms underlying geology into a purifying filter and prevents PFAS from migrating further.
Article | Combined Remedy Rapidly Achieves Targets to Address Chlorinated Solvent Impacts
Case Study | PlumeStop and S-MicroZVI Effectively Treat CVOCs to Expedite Site Closure
Case Study | PlumeStop Eliminates PFAS for Seven Years
Upcoming Webinar | Novel Electron Donor Development: Supporting Evidence Through Genomics and Metabolomics
Dr. Paul Erickson, Director of Research & Development at REGENESIS, will be a guest presenter for a technical webinar presentation with Microbial Insights on Tuesday, September 12th at 9am pacific/12pm eastern. Dr. Erickson will present on the first-ever solid, micron-scale colloidal electron donor designed to be compatible and co-injected with PlumeStop. The development and field testing of AquiFix included the use of Microbial Insights’ QuantArray™ to demonstrate the efficacy of the new electron donor technology. Dr. Erickson will provide an overview of the development and field-testing of AquiFix in addition to how his research and development scientists incorporate microbial testing into the design and testing processes at REGENESIS.
Connect with us at Upcoming Events
West Virginia Brownfields Conference
9/12 – 9/14/2023 | Wheeling, WV
Western Groundwater Congress
9/12 – 9/14/2023 | Burbank, CA
AIPG 60th Anniversary Conference
9/16 – 9/19/2023 | Covington, KY
Northeast Sustainable Communities Workshop
9/16 – 9/20/2023 | Worcester, MA
IDEM Pollution Prevention Conference
9/20/2023 | Indianapolis, IN
RemTEC Emerging Contaminants Summit
10/3 – 10/5/2023 | Westminster, CO
Questions?
REGENESIS has remediation experts based worldwide to assist you in your brownfield site cleanup. As the technology leader in advanced bioremediation solutions, we can help ensure success on your next remediation project. Use the map on our website to find your regional REGENESIS contact today.
August 2023 Newsletter
Case Study | Treatment Solution for TCE Saves Client $380,000
This case study reviews a former manufacturing facility in Indianapolis that had released high levels of chlorinated solvents into the groundwater, creating a large plume. Wilcox Environmental Engineering, Inc., a leading engineering and consulting firm based in Indianapolis, was hired by the responsible party to investigate the site. After evaluating the remedial options, Wilcox worked with REGENESIS to design a solution for in situ remediation of the TCE plume using biogeochemical reduction in the onsite plume area and sorption-enhanced chemical reduction in the offsite plume. This combined in situ remediation solution rapidly mitigated a threat to a nearby river and saved the client $380,000.
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Case Study | Pilot Projects at Two UK Airports Demonstrate Successful PFAS Remediation
This case study reviews two airport sites in the United Kingdom where the groundwater was contaminated with PFAS that had originated from the use of Aqueous Film Forming Foams (AFFF). An in situ approach using colloidal activated carbon permeable reactive barriers (PRB) combined with successful pilot study results allowed for regulatory permission for full-scale PlumeStop PRB installations on both sites. The PlumeStop PRB converts the contaminant flux zones in the treatment area into subsurface filters, which adsorb incoming contamination and stop offsite migration. This prevents risk to downgradient receptors, removes offsite liability from the site owner and allows Enhanced Natural Attenuation (ENA) of the downgradient PFAS plume.
Case Study | PlumeStop Treats PFAS and Protects Island Community Resources
Video | Low-Cost, Sustainable PFAS Treatment, Explained
Download Case Study | PetroFix PRB Prevents Offsite Risk at Gas Station
Video | A Practical Approach to Remediating Petroleum Hydrocarbon Plumes
This video explains a simple, proven and cost-effective approach to quickly remediate sites with petroleum contamination. PetroFix is a micron-scale colloidal activated carbon fluid with electron acceptors injected under low pressure to sorb and biodegrade petroleum hydrocarbons in groundwater. Engineered to provide immediate and long-lasting results for a variety of sites including retail gas stations and industrial petroleum spills, PetroFix is a cost-effective in situ treatment for petroleum hydrocarbon contamination.
Connect with us at Upcoming Events
Georgia Environmental Conference
8/23 – 8/25/2023 | Jekyll Island, GA
West Virginia Brownfields Conference
9/12 – 9/14/2023 | Wheeling, WV
Northeast Sustainable Communities Workshop
9/19 – 9/20/2023 | Worcester, MA
IDEM Pollution Prevention Conference
9/20/2023 | Indianapolis, IN
RemTEC Emerging Contaminants Summit
10/3 – 10/5/2023 | Westminster, CO
Questions?
REGENESIS has remediation experts based worldwide to assist you in your brownfield site cleanup. As the technology leader in advanced bioremediation solutions, we can help ensure success on your next remediation project. Use the map on our website to find your regional REGENESIS contact today.
July 2023 Newsletter
Case Study | PlumeStop and S-MicroZVI Effectively Treat CVOCs to Expedite Site Closure
This case study reviews an active industrial facility in Southern California where PlumeStop and S-MicroZVI successfully treated CVOC contamination. The combined remedy quickly reduced CVOC concentrations below targets, priming the site for future regulatory closure. The responsible party retained Roux, a leading environmental remediation consultant, to complete the remediation project. Working with REGENESIS, Roux developed a multi‑faceted remedial solution to mitigate the CVOC contamination beneath an active business, successfully overcoming challenging site conditions.
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Rising Star Client Spotlight | April McGuire, Senior Engineer at Roux
Environmental remediation continues to evolve as a critical industry which impacts our planet and public health. With a broad array of environmental challenges (and opportunities) that need to be addressed, it is encouraging to see talented and dedicated professionals, such as April McGuire of Roux Associates, a “rising star” in the field of environmental remediation who continually strives to produce results that exceed client expectations. She shares, “Due to the diverse range of clients here at Roux, I manage various types of projects, including remediation, site investigations, environmental justice, vapor intrusion mitigation systems designs, and litigation support. I am also responsible for providing training and mentorship for the junior staff members while supervising their technical development.”
Case Study | Sustainable and Low-Cost PFAS Source Treatment
Article | Colloidal Activated Carbon Solution on Track to Effectively Address PFAS Risk at a Low Cost

Podcast | ESTCP Project Explores Innovative Method to Solve the PFAS Challenge Using PlumeStop
Webinar Recording Now Available | Coupled Aquifer Restoration and Water Reuse – And the Application of Sustainable Remediation Solutions
In this webinar we were pleased to have special guest speaker Avram Frankel, PE, Managing Principal, Integral Consulting, Inc. His presentation discussed coupled aquifer restoration and water reuse, and the continuing evolution of an integrated solution. He was joined by Gareth Leonard, Managing Director of REGENESIS Europe, who discussed sustainable remediation solutions.
Connect with us at Upcoming Events
2023 National Brownfields
8/8 – 8/11/2023 | Detroit, MI
Georgia Environmental Conference
8/23 – 8/25/2023 | Jekyll Island, GA
West Virginia Brownfields Conference
9/12 – 9/14/2023 | Wheeling, WV
Northeast Sustainable Communities Workshop
9/19 – 9/20/2023 | Worcester, MA
IDEM Pollution Prevention Conference
9/20/2023 | Indianapolis, IN
RemTEC Emerging Contaminants Summit
10/3 – 10/5/2023 | Westminster, CO
Questions?
REGENESIS has remediation experts based worldwide to assist you in your brownfield site cleanup. As the technology leader in advanced bioremediation solutions, we can help ensure success on your next remediation project. Use the map on our website to find your regional REGENESIS contact today.
June 2023 Newsletter
New Video | A More Sustainable PFAS Treatment Explained
This video explains a solution to eliminate PFAS risk at a fraction of the cost of pump and treat methods. Pump and treat mechanical systems require significantly more money to operate, produce millions of tons of carbon emissions, and represent what remediation experts have coined “remediation in perpetuity”. A newer, more cost-effective, sustainable and guaranteed proven method is replacing these pump and treat mechanical systems for PFAS. PlumeStop Colloidal Activated Carbon works below ground surface, filtering out PFAS contaminants as they migrate with the natural flow of groundwater.
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Article | Aviation Pros Article Discusses Sustainable PFAS Solution
Aviation Pros published this article by Maureen Dooley, Vice President – Industrial Sector, discussing a colloidal activated carbon barrier installed as part of a pilot test at Martha’s Vineyard Airport to demonstrate effective in situ treatment of a PFAS plume. With no pumping required, the in situ approach avoids long-term power consumption, greenhouse gas emissions, and operation & maintenance costs, all factoring into the remedy selection at this site. The early performance results show the barrier has eliminated PFAS from groundwater.
Video | PlumeStop Treats PFAS and Protects Island Community Resources
Press Release | PetroFix Used at Site Honored with 2023 US Secretary of Defense Environmental Award
Technical Bulletin | S-MicroZVI Performance Over a 4-Year Column Study
Upcoming Webinar | Coupled Aquifer Restoration and Water Reuse
In this webinar we are pleased to have special guest speaker Avram Frankel, PE, Managing Principal, Integral Consulting, Inc. His presentation will discuss coupled aquifer restoration and water reuse, and the continuing evolution of an integrated solution. Topics will also include the application of water resource management approaches such as Aquifer Storage and Recovery and Managed Aquifer Recharge. This free webinar begins Thursday, July 20th, 2023 at 11am pacific/2pm eastern.
Webinar Recording Now Available | A Business Case for Achieving Significant Cost Savings Using Colloidal Activated Carbon
In this webinar, we were pleased to have special guest speaker Jim Rolle, Director of Environmental Services at WCEC. His presentation discussed a business case outlining where WCEC achieved significant cost savings as compared to a long-term monitoring approach when using PetroFix, a form of colloidal activated carbon. He was joined by Todd Herrington, Global PetroFix Product Manager at REGENESIS.

Webinar Series Now Available | Advanced Use of Modelling in Design and Management of In-Situ Groundwater Treatment with Colloidal Activated Carbon
Webinar recordings are now available from the REGENESIS Technical Perspectives Series presented by Dr. Jeremy Birnstingl, a leading environmental expert, on the application of advanced modelling for in situ groundwater treatment using colloidal activated carbon. This ground-breaking three-part series provides insights and examples into the power and utility of modelling to assist throughout a project, from conceptional and formal design stages to performance data interpretation, management and optimization. View the recordings at the links below.
Connect with us at Upcoming Events
2023 National Brownfields
8/8 – 8/11/2023 | Detroit, MI
Georgia Environmental Conference
8/23 – 8/25/2023 | Jekyll Island, GA
West Virginia Brownfields Conference
9/12 – 9/14/2023 | Wheeling, WV
Northeast Sustainable Communities Workshop
9/19 – 9/20/2023 | Worcester, MA
IDEM Pollution Prevention Conference
9/20/2023 | Indianapolis, IN
RemTEC Emerging Contaminants Summit
10/3 – 10/5/2023 | Westminster, CO
Questions?
REGENESIS has remediation experts based worldwide to assist you in your brownfield site cleanup. As the technology leader in advanced bioremediation solutions, we can help ensure success on your next remediation project. Use the map on our website to find your regional REGENESIS contact today.
April 2023 Newsletter
Case Study | No Further Action for Large PCE Plume Under Main Street, USA
This case study reviews a former dry cleaner site in western Indiana, where site regulatory closure was achieved after a large dissolved-phase PCE groundwater plume was successfully treated using PlumeStop, enhanced reductive dechlorination (ERD) amendments and S-MicroZVI from REGENESIS. Patriot Engineering, a leading Midwest environmental consulting firm, headquartered in Indianapolis, specified ERD as the most practical and economically viable method to effectively treat the large plume. By combining remediation technologies from REGENESIS with a highly efficient and cost-effective remediation design, Patriot’s treatment approach eliminated the PCE plume. Subsequent performance monitoring and analysis completed by Patriot demonstrated plume stability, earning the site a No Further Action status from the Indiana Department of Environmental Management (IDEM).
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Webinar | Introducing AquiFix™
In this webinar we are pleased to have a special presentation by Paul Erickson, PhD, Director of Research & Development at REGENESIS. His presentation will provide an overview of AquiFix, the first-ever solid micron-scale electron donor to treat chlorinated solvents. This injectable fluid disperses widely within the aquifer, cost-effectively stimulating enhanced reductive dichlorination for periods of time, far exceeding any oil-based substrates. This webinar starts Thursday, April 27th at 11am pacific/2pm eastern.
Case Study | PetroFix Estimated to Save $1M Compared to Long Term Monitoring
Start Chatting | Get Live Answers to your Questions from Leading Remediation Experts
In the Know | How to Use the Online PetroFix Design Assistant
Connect with us at Battelle 2023 in Austin, TX
We are pleased to announce that REGENESIS will be at the upcoming Battelle International Symposium on Bioremediation and Sustainable Environmental Technologies on May 8th-11th, 2023 in Austin, Texas. To learn more about remediation solutions for your project, visit us at booth 206, attend our platforms where we’ll be presenting and chairing sessions, and say hello to our poster presenters.
Connect with us at Upcoming Events
2023 Bioremediation Symposium
5/8 – 5/11/2023 | Austin, TX
TCEQ Conference
5/16 – 5/17/2023 | Austin, TX
RemTech East 2023
5/30 – 6/1/2023 | Niagara Falls, NY
New Jersey Site Remediation Conference
6/13 – 6/14/2023 | New Brunswick, NJ
Georgia Environmental Conference
8/23 – 8/25/2023 | Jekyll Island, GA
RemTEC Emerging Contaminants Summit
10/3 – 10/5/2023 | Westminster, CO
Questions?
REGENESIS has remediation experts based worldwide to assist you in your brownfield site cleanup. As the technology leader in advanced bioremediation solutions, we can help ensure success on your next remediation project. Use the map on our website to find your regional REGENESIS contact today.
March 2023 Newsletter
Video | PlumeStop Used to Treat PFAS and Protect Community Resources at Martha’s Vineyard Airport
Martha’s Vineyard Airport is used by a significant number of general aviation aircraft with a high number flying in during the summer months. Over the years, as required by the FAA, the airport has conducted fire training exercises releasing AFFF fire-fighting foams in an area adjacent to the runway. Beginning in November 2018 as awareness and concern about PFAS in AFFF were increasing, Martha’s Vineyard Airport proactively identified an approach to contain AFFF testing solutions. As a result of the AFFF releases, the groundwater has been impacted with PFAS contaminants that are now being proactively treated by the airport. Tasked with evaluating available options to address the PFAS impacts, TetraTech worked with REGENESIS to develop a remedial design incorporating permeable reactive barriers emplaced in situ using PlumeStop colloidal activated carbon.
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Video | PlumeStop Cost-Effectively Treats CVOCs at Secure Government Facility
A large, secure government facility in the Mid-Atlantic region was designated a Superfund site under CERCLA. The high-security area had been used as a salvage yard where activities requiring cleaning solvents, among other volatile materials, had leached into the groundwater, creating a large plume in the sandy geology. Amentum, a leading American government and commercial services contractor, is the responsible party’s contractor and has worked with the client at this location for years, providing oversight and management of their contracting partners throughout this and other environmental remediation projects. A remedial approach was designed to reduce and degrade the CVOC contaminants while protecting against the groundwater plume’s migration beyond the site’s boundaries.
Video | FluxTracers Precisely Target Contaminants and Save $380,000 in Project Costs
Featured Article | Results Document the Biodegradation of Contaminants from Colloidal Activated Carbon
Article | New Study Confirms a More Sustainable Approach to Treat PFAS
Webinar Recording Now Available | In Situ Treatment of PFAS at the Air-Water Interface within a Source Zone using PlumeStop
In this webinar, we were pleased to have special guest speaker Rick McGregor, President of InSitu Remediation Services Ltd. His presentation discussed the in situ treatment of PFAS at the air-water interface within a source zone using PlumeStop. He was joined by Gareth Leonard, Managing Director of REGENESIS Europe, who discussed in situ treatment of PFAS using colloidal activated carbon to eliminate PFAS risk at a low cost. The recording is now available.
Connect with us at Upcoming Events
2023 GBA Brownfields Seminar
4/11/2023 | Georgia
2023 Bioremediation Symposium
5/8 – 5/11/2023 | Austin, TX
TCEQ Conference
5/16 – 5/17/2023 | Austin, TX
RemTech East 2023
5/30 – 6/1/2023 | Niagara Falls, NY
New Jersey Site Remediation Conference
6/13 – 6/14/2023 | New Brunswick, NJ
Georgia Environmental Conference
8/23 – 8/25/2023 | Jekyll Island, GA
RemTEC Emerging Contaminants Summit
10/3 – 10/5/2023 | Westminster, CO
Questions?
REGENESIS has remediation experts based worldwide to assist you in your brownfield site cleanup. As the technology leader in advanced bioremediation solutions, we can help ensure success on your next remediation project. Use the map on our website to find your regional REGENESIS contact today.
February 2023 Newsletter
Remediation Technology Article | Study Outlines Long-Term PFAS Solution Using Colloidal Activated Carbon for Airport Site Remediation
This article published in Remediation Technology discusses a new study outlining a long-term PFAS solution using colloidal activated carbon (CAC) at airport sites. The sustainable in situ CAC approach is poised to save billions of dollars in pump-and-treat system installation, operation & maintenance costs and eliminate millions of tons of harmful greenhouse gas emissions that power them. Over 35 in situ CAC treatments have been installed, including recent installations at airports and airfields across the U.S. and Great Britain. Additionally, the U.S. Department of Defense is funding several SERDP laboratory and field research projects to study the technology, as interest in the approach continues to surge.
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Reusable Packaging News | Unseen PFAS Risk Found in Food Packaging Impacts Drinking Water
This article written by REGENESIS PFAS Program Manager Ryan Moore and published in Reusable Packaging News discusses the unseen risk of PFAS found in food packaging. Banning PFAS from food wrappers is one of the obvious solutions states are using to reduce PFAS exposure. Unfortunately, many of these PFAS chemicals have already been released into the environment, threatening to contaminate drinking water sources and impact public health. To mitigate these unseen risks, effective, sustainable colloidal activated carbon in-ground filtration treatments are deployed at over 30 sites worldwide, with hundreds more sites in the planning stages.
Featured Video | In Situ Chemical Oxidation Using RegenOx
PetroFix Multi-Site Case Study | Proven, Rapid, and Cost-Effective Petroleum Spill Treatment
Visit our PetroFix Resource Center
Our Upcoming REGENESIS Webinars
REGENESIS invites you to attend our upcoming 2023 webinars. In January through March, we will be featuring webinar events with key environmental thought leaders. Topics will cover modeling PlumeStop longevity at AFFF-impacted PFAS sites, the anatomy of risk-based closures, and in-situ treatment of PFAS at the air-water interface within a source zone. Each webinar will provide an opportunity for questions and answers. Certificates of completion are available on request. Sign up for the upcoming webinars today!*
* NOTE: We encourage you to register even if you are unable to attend every event since you will receive each of the recordings following their scheduled broadcast dates.
Webinar Recording Now Available | Modeling PlumeStop Longevity at AFFF-Impacted Military and Airport Sites
Connect with us at Upcoming Events
EPAZ 2023 Annual Conference
2/28 – 3/1/2023 | Tempe, AZ
Science of PFAS Conference
3/9 – 3/10/2023 | Marlborough, MA
West Coast Conference
3/20 – 3/23/2023 | San Diego, CA
2023 GBA Brownfields Seminar
4/11/2023 | Georgia
2023 Bioremediation Symposium
5/8 – 5/11/2023 | Austin, TX
Questions?
REGENESIS has remediation experts based worldwide to assist you in your brownfield site cleanup. As the technology leader in advanced bioremediation solutions, we can help ensure success on your next remediation project. Use the map on our website to find your regional REGENESIS contact today.
January 2023 Newsletter
Waste Advantage Magazine Article | Sustainable PFAS Treatment for Groundwater at Landfills Now Possible
This article published in Waste Advantage discusses the importance of sustainable solutions to prevent human and environmental exposures to PFAS caused by landfills. PFAS-contaminated groundwater is a serious environmental issue facing most solid waste disposal facilities. Colloidal Activated Carbon (CAC) is a more sustainable and environmentally responsible approach. Installed CAC treatments are a fraction of the cost of other PFAS treatment methods, produce no greenhouse gas emissions or disposal wastes, and do not consume energy. CAC effectively coats the aquifer, forming a permeable sorptive barrier and filtering out PFAS as groundwater passes through the barrier.
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Featured Video | How Colloidal Activated Carbon Eliminates PFAS Risk and Liability at a Low Cost
PlumeStop colloidal activated carbon utilizes activated carbon finely milled to <2µm (the size of a red blood cell) and suspended in a colloidal fluid to be injected under low pressure into the subsurface. The carbon particles disperse and diffuse, and then adhere to the surface of soil particles, converting contaminated aquifers into purifying filters. The PFAS contamination present in the groundwater is tightly adsorbed onto the PlumeStop in the subsurface, removing it from the groundwater and eliminating the risk to downgradient receptors.
PetroFix Multi-Site Case Study | Reducing Time and Cost-to-Closure at UST Release Sites
Learn More About Rapid Remediation of PHCs with these PetroFix Resources
Employee Spotlight | Seth Benson, Project Supervisor, REGENESIS
The REGENESIS Remediation Services Difference
Our Upcoming REGENESIS Webinars
REGENESIS invites you to attend our upcoming 2023 webinars. In January through March, we will be featuring webinar events with key environmental thought leaders. Topics will cover modeling PlumeStop longevity at AFFF-impacted PFAS sites, the anatomy of risk-based closures, and in-situ treatment of PFAS at the air-water interface within a source zone. Each webinar will provide an opportunity for questions and answers. Certificates of completion are available on request. Sign up for the upcoming webinars today!*
* NOTE: We encourage you to register even if you are unable to attend every event since you will receive each of the recordings following their scheduled broadcast dates.
Connect with us at Upcoming Events
EPAZ 2023 Annual Conference
2/28 – 3/1/2023 | Tempe, AZ
Science of PFAS Conference
3/9 – 3/10/2023 | Marlborough, MA
West Coast Conference
3/20 – 3/23/2023 | San Diego, CA
2023 GBA Brownfields Seminar
4/11/2023 | Georgia
Questions?
REGENESIS has remediation experts based worldwide to assist you in your brownfield site cleanup. As the technology leader in advanced bioremediation solutions, we can help ensure success on your next remediation project. Use the map on our website to find your regional REGENESIS contact today.
December 2022 Newsletter

Alameda Post Article – Navy to Lock Down PFAS in Groundwater with Carbon
This article published in the Alameda Post discusses the Navy’s use of injecting colloidal activated carbon (CAC), commercially sold as PlumeStop, into the subsurface to prevent PFAS contaminant migration. The goal of the project is to prevent the movement of PFAS into the Oakland Estuary. The approach using CAC subsurface injection was chosen as a low-cost alternative to pump-and-treat systems. The sustainable use of CAC turns the aquifer into a carbon filter and generates no PFAS waste. Once the carbon filter system is in place and performs as expected, the Navy will most likely utilize this method at other PFAS sites at Alameda Point.
Martha’s Vineyard Times Article – PFAS mitigation pilot program begins at M.V. Airport
This article published in the Martha’s Vineyard Times discusses the use of injecting colloidal activated carbon (CAC), commercially sold as PlumeStop, into the subsurface at Martha’s Vineyard Airport. Tetra Tech vice president Ron Myrick, whose firm handled the testing and mitigation of PFAS around the Martha’s Vineyard Airport area and completed the first stage of PFAS investigations in 2019, notified the commission during an August meeting about plans to use a remediation pilot program of “targeted PlumeStop application to assess mitigating further migration of PFAS” off the airport.
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Featured Research Article – Top Groundwater Researchers Highlight 17 Commercial Field Projects Where PlumeStop Successfully Treats PFAS
Top groundwater researchers in the field of groundwater contaminant fate and transport recently published a REMEDIATION Journal article entitled Longevity of colloidal activated carbon for in situ PFAS remediation at AFFF-contaminated airport sites by Carey et al. The article highlights the application of PlumeStop colloidal activated carbon (CAC) at 17 commercial field projects to effectively treat PFAS in situ. The authors found that the vast majority of PFAS at airport sites are PFOS and PFHxS. This is noteworthy as these contaminants are preferentially sorbed to activated carbon when compared to the polyfluorinated carboxylic acid contaminants (i.e. PFOA) of similar chain length. The article also notes that the use of CAC in situ to treat PFAS is expected to have substantially greater treatment longevity compared to ex situ activated carbon use.
PFAS Treatment for Airports
Featured Case Study: Reductive Dechlorination Approach Treats Large Chlorinated Solvent Plume
Employee Spotlight – Andrew Kavanagh, RRS Midwest Region Project Manager
REGENESIS Remediation Services – Performance Driven, Results Based

Webinar Recording: Risk and Liability, Part 1 & 2 – Now Available
In this two-part webinar series we were pleased to have special guest speakers Hilary Robinson, PE, Emerging Contaminants Lead and Eric Leitz, Director of Legacy Site Services at RPS Group. Their presentations discussed risk mitigation and managing liabilities, taking a look at PFAS contamination and vapor intrusion. The full recordings of both webinars are now available!

The team at REGENESIS and Land Science wishes you and your family Happy Holidays, and we look forward to working with you in the New Year!
Connect with us at Upcoming Events
EPAZ 2023 Annual Conference
2/28 – 3/1/2023 | Tempe, AZ
Science of PFAS Conference
3/9 – 3/10/2023 | Marlborough, MA
West Coast Conference
3/20 – 3/23/2023 | San Diego, CA
2023 GBA Brownfields Seminar
4/11/2023 | Georgia
Questions?
REGENESIS has remediation experts based worldwide to assist you in your brownfield site cleanup. As the technology leader in advanced bioremediation solutions, we can help ensure success on your next remediation project. Use the map on our website to find your regional REGENESIS contact today.
November 2022 Newsletter
Featured Case Study: PFAS and CVOC Remediation Paves Way for Mixed-Use Tower
This case study reviews a site where a combined remedy approach was implemented addressing CVOCs, PHCs, metals, PFAS, and 1,4-dioxane. The successful remedial effort earned the site a Certificate of Completion through New York State’s Brownfield Cleanup Program, facilitating the new development in this commercially valuable area. The project, administered through the NY State Brownfield Cleanup Program, was a former electroplating facility with numerous open vats of chemical solvents and acids that gradually leaked and migrated into the fractured bedrock subsurface beneath the site. SESI Consulting Engineers (SESI), a leading environmental engineering services firm based in New Jersey, completed several phases of Remedial Investigation, revealing site soil and groundwater impacted by CVOCs, PHCs, metals, PFAS, and 1,4-dioxane.
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Video: Large Plume Cost-Effectively Remediated at Former Cannery Site
In this video environmental consulting and engineering firm Patriot Engineering collaborated with REGENESIS to effectively treat CVOCs at a former cannery site in Indiana. The goal at this site was to remediate the chlorinated solvents and eliminate risk, limiting offsite mitigation and bringing contaminants down to Indiana Department of Environmental Management tap water standards. Due to the large size of the plume, cost was a chief concern. After reviewing a range of treatment options, including pump and treat, air sparging with soil vapor extraction, and ISCO combined with ERD, Patriot selected a combined remedial approach from REGENESIS using PlumeStop, S-MicroZVI and 3DME in a sequence of permeable reactive barriers to strongly inhibit plume migration while enhancing biotic and abiotic degradation of the targeted contaminants.
Client Spotlight: Katherine Boniface, Project Geologist at Group Delta Consultants
Webinar: Risk and Liability, Part 1: PFAS Mitigation
In this two-part webinar series we are pleased to have special guest speakers Hilary Robinson, PE, Emerging Contaminants Lead and Eric Leitz, Director of Legacy Site Services at RPS Group. Their presentations will discuss risk mitigation and managing liabilities, taking at look at PFAS contamination and vapor intrusion. Each webinar will provide an opportunity for questions and answers. Certificates of completion are available on request. Sign up for both webinars today!
Webinar Recording: PFAS Regulatory State of the Union
Connect with us at Upcoming Events
Florida Remediation Conference
11/16 – 11/18/2022 | Orlando, FL
Federal Business Opportunities Symposium
11/30/2022 | Garden Grove, CA
2022 Virtual Environmental Conference
11/30 – 12/8/2022 | Virtual
PFAS Remediation Technologies
12/8/2022 | Virtual
NGWA Groundwater Week
12/6 – 12/8/2022 | Las Vegas, NV
Questions?
REGENESIS has remediation experts based worldwide to assist you in your brownfield site cleanup. As the technology leader in advanced bioremediation solutions, we can help ensure success on your next remediation project. Use the map on our website to find your regional REGENESIS contact today.