On July 23, 2025, the Navy released the results of its pilot study to determine if injecting a specialized carbon solution into the ground would block hazardous PFAS chemicals from migrating into the Oakland Estuary from Alameda Point.
The area at issue, a stone’s throw from the estuary, had once been used by Navy firefighters to practice putting out fires with firefighting foam that contained PFAS chemicals. Scientists have figured out a way to contain, but not destroy, these hazardous chemicals. Follow-up groundwater samples show that the carbon barrier achieved between 99 percent and 100 percent reduction in PFAS moving beyond the barrier.
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