Bomb squad at Sydney medical facility after reports of chemical spill – Sydney Morning Herald

A spokeswoman for Garvan said the acid had been identified in a chemical inspection less than a month ago. “The small quantity of perchloric acid was scheduled for proactive removal,” she said.

“In accordance with routine procedure, [Garvan] has enlisted the assistance of Fire and Rescue NSW.

“Garvan staff were temporarily evacuated from the building as a precautionary measure only.”

Fire and Rescue is performing atmospheric monitoring.

Roads are closed between Victoria Street and Burton Street and Liverpool Street is closed to pedestrians.