AFFF Transition

We remove legacy AFFF concentrates and decontaminate impacted equipment and infrastructure to prepare systems for fluorine-free foam transition.

• Drain and containerize waste AFFF concentrate
• Flush tanks, piping and associated components
• Clean vehicle-mounted and fixed suppression infrastructure
• Reduce residual PFAS carryover before recommissioning

Our teams manage the rinse water and concentrated waste generated during changeout, helping reduce off-site disposal burden and improve project efficiency. Onsite treatment and containerized handling approaches are selected based on site conditions, waste profile and project goals.

• Evaluate rinsate for treatment or off-site disposal
• Treat PFAS-impacted water as part of the transition scope
• Coordinate concentrated liquid and solid waste management
• Support compliant handling, transport and final disposition

Where needed, we support physical and operational changes required to transition from AFFF to fluorine-free foam systems. Source pages highlight retrofit needs that can include nozzles, piping and proportioning systems, especially in hangar and fixed-system applications.

• Assess compatibility of existing suppression equipment
• Support upgrades to proportioning and discharge components
• Prepare systems for new foam characteristics and flow behavior
• Align transition work with site-specific fire protection requirements

Once cleanout and modifications are complete, we help prepare systems for safe return to operation.

• Replenish systems with approved replacement foam
• Support functional testing and startup planning
• Help coordinate transition sequencing to reduce disruption
• Improve readiness for long-term operation and maintenance

ARFF vehicles
Aircraft rescue and firefighting vehicles require a controlled transition that protects emergency response readiness while removing residual AFFF from onboard systems. NewCo supports vehicle-based cleanout, piping and tank flushing, rinse water management and preparation for replacement foam so operators can move forward with greater confidence and less operational disruption. The source material specifically identifies ARFF truck piping among the assets included in cleanout scopes.

Aircraft hangars
Hangar suppression systems often require more than decontamination alone. Transitioning to fluorine-free foam may involve compatibility review, equipment modification, performance testing considerations and training updates. The reviewed hangar source emphasizes regulatory pressure, system retrofitting needs and the importance of testing and certification in aviation environments.

High-risk facilities with fixed fire suppression systems
Refineries, chemical plants, fuel storage terminals, power facilities and other high-consequence operations need a transition plan that fits their hazards, suppression design and operational constraints. Fixed systems can involve more complex infrastructure, larger rinse volumes and more demanding upgrade pathways. Onterris helps clients address AFFF removal, waste handling, equipment changes and transition planning for facilities where reliability, compliance and continuity all matter. The high-risk facility source highlights these needs across industrial and energy settings.