Employees at the Oregon Dept. of Revenue are being allowed back into their building after an evacuation this morning.
Workers are not being allowed in the atrium area.
Earlier this morning, an employee reportedly found suspicious powder.
Salem reporter Chris Lehman said the investigation is under way.
The Statesman Journal reported fire and police crews were on scene along with a HAZMAT truck.
OPB's Salem reporter Chris Lehman talked with us from the scene.
This story originally appeared on Oregon Public Broadcasting.