The incident took place around 8:30 a.m. local time at the base’s Logistics Readiness Squadron in Building 2045, Air Force officials told KXLY.
Fairchild Air Force Base is located approximately 12 miles (20 km) southwest of Spokane. It’s host unit is the 92nd Air Refueling Wing, which is assigned to the Air Mobility Command’s 18th Air Force. It opened in March 1942.
Emergency responders are at the scene and investigating the incident, base officials said.
The two dozen base personnel “reported feeling affected by an unknown irritant,” the base said in a statement.
Of them, four are in the emergency room at Providence Sacred Heart Medical Center, Jennifer Semenza, a hospital spokeswoman, told the Spokane Spokesman-Review.
