Enabled uninterrupted construction while managing PFAS risk: SourceStop‑amended fill and permeable trench barriers were installed concurrently with surcharging and fill placement, preventing PFAS‑impacted water from migrating off‑site without delaying the construction schedule.

Reduced long‑term costs and complexity: The passive sorptive system required no pumps, power, ongoing operations, or PFAS waste management, delivering a low‑maintenance, cost‑efficient solution compared to traditional pump‑and‑treat approaches.

Protected downgradient receptors and supported regulatory compliance: Engineered treatment zones intercepted shallow groundwater and displaced pore water, immobilizing PFAS within the subsurface and reducing the potential for downstream impacts in a sensitive wetland environment.

To support redevelopment of a large cargo facility at an international airport in Alaska, REGENESIS delivered a construction‑integrated PFAS remediation approach that protected groundwater while keeping the project on schedule. By combining SourceStop® colloidal activated carbon with standard structural fill, PFAS migration was passively controlled during earthwork activities—eliminating the need for pumping, waste handling, or separate treatment infrastructure.