Resiliency study draft due mid‑August; staff report possible PFAS detection near former training area

Jul 16, 2026

Airport staff said a resiliency study will produce a draft report in mid‑August and that geotechnical sampling so far looks promising; the meeting also covered environmental sampling that detected PFAS/PFOS in phase‑one tests and staff described possible remediation options and ongoing investigations into a historical training area.

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Agency official said the airport resiliency study is near completion and that a draft report is expected in mid‑August. The study evaluates how the airport would perform after a Cascadia‑scale seismic event and includes multiple geotechnical core samples, including one reaching approximately 100 feet. "We should be seeing a report mid August, the draft report," the Agency official said, adding the team will produce a finalized report in time for the September AC meeting.

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