Thermal Remediation & PFAS Removal

TRS Group, a 100% employee-owned company with joint ventures and partnerships in Brazil, China and Europe, is a global provider of thermal remediation and PFAS removal technologies for the in situ treatment of soils, groundwater and bedrock, the ex situ treatment of soil piles and dredged sediment and AFFF fire suppression
systems. We excel at the quick cleaning of contaminated sites, often guaranteeing results, putting them back into productive reuse. Our focus is reducing the costs of PFAS and thermal remediation for the benefit of our clients, employees, shareholders and the public. Our people are customer-focused and passionate about their work.
PFAS & Thermal Remediation in the Field

Overhead View of an ERH Site in Indiana
Steve Wood, Field Services Manager, took this shot of an OptiFlux® electrical resistance heating (ERH) project site in Jeffersonville, Indiana.

PerfluorAd Used to Clean Out AFFF at a Major Airport
Steve Pistoll (far right), field services manager, works on the plant next to a Pierce firefighting vehicle.


Sunset Over an ERH Site in Indianapolis
A TRS employee enjoys a peaceful moment as the sun sets over an OptiFlux® electrical resistance heating (ERH) project site in Indianapolis.

AFFF Cleanout at Major Airport Using PerfluorAd
TRS personnel clean AFFF out of a Pierce fire truck at a large hub airport on the West Coast.


On-site R&D in the Midwest
A project engineer tests TRS' patent-pending FlexHeater element at a thermal conduction heating site in the Midwest.

Thermal Remediation at Chicago Redevelopment Site
TRS Group's OptiFlux electrical resistance heating technology was put to good use by Sterling Bay at its 55-acre Lincoln Yards brownfields redevelopment project.

Liner Installation on an ERH Site in Indy
Chris Thomas, Senior Project Manager, snaps a panorama documenting construction progress on an electrical resistance heating (ERH) site in Indianapolis where TRS is performing in situ thermal remediation of chlorinated solvents.

PerfluorAd AFFF Cleanout in the Field
Greg Knight (top center) and Steve Pistoll (bottom right) of TRS monitor the plant as it works to remove PFAS from firefighting vehicle rinsate at a fire station in Connecticut.


Drone Flyover of Maryland Remediation Site Next to and Under Railroad Tracks
In an industry first, TRS Group performed thermal remediation under and adjacent to active railroad tracks at a site in Brandywine, Maryland.

OptiFlux® ERH Services in Southern Brazil
TRS Doxor, TRS Group's joint thermal venture in Brazil and South America, carries out OptiFlux® electrical resistance heating (ERH) services in southern Brazil.

Blue Clay on Superfund Site
TRS Group's drilling subcontractors drilled through unique blue, marl clay at a Superfund site in New Jersey in June 2021.

OptiFlux ERH Transformers
TRS Group's electrical resistance heating (ERH) transformers delivering optimal power to the subsurface of an environmental remediation site.

PFAS Remediation Site Tour in Alaska
Emily Crownover, Managing Principal Engineer, leads a tour at Eielson Air Force Base in Fairbanks, Alaska, where TRS used its FlexHeater thermal conduction heating (TCH) technology on PFAS containing ex situ soil stockpiles.

OptiFlux® ERH Services in Asia
A drone flyover of a massive OptiFlux® electrical resistance heating (ERH) services site in Asia.

Daily Tailgate Safety Meeting
A TRS field crew starts the day with a tailgate safety meeting.

Angled Drilling to Install TCH
A TRS project manager (right) monitors a drilling crew as it uses an angled drill rig to install TRS Group's patented thermal conduction heating equipment.

Drone Flyover of Thermal Remediation Next to Railroad Tracks in Brazil
A TRS Doxor in situ thermal remediation site next to railroad tracks in a busy Brazilian metropolis.

A Cable "Highway" on a TCH Site
A cable “highway” on a FlexHeater® thermal conduction heating (TCH) services site in New Jersey. Overhead cable trays are needed due to spatial constraints and to maintain Arcflash boundaries for heater boxes and breaker panels.

OptiFlux® ERH Services at a Site in France
An OptiFlux® electrical resistance heating (ERH) services site is set against a wide expanse of French countryside.