Contractors loosen an inner core barrel during groundwater sampling at Red Hill Bulk Fuel Storage Facility (RHBFSF), Halawa, Hawaii, Feb. 13, 2023. Joint Task Force-Red Hill is currently in phase three of its five-phase defueling plan, where contractors and employees will be completing repairs and upgrades which will ensure a safe and expeditious defueling of the RHBFSF.

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Keywords: drill, groundwater, hill, jtf-rh, red, samples, water