Hazmat crews respond to nitric acid explosion at U of A lab

Hazmat crews responded to an explosion at a University of Alberta lab Wednesday afternoon. 
Edmonton fire crews were called to the university’s Electrical and Computer Engineering Research building around 1:40 p.m. for an alarms ringing call. When they arrived, they learned there had been a nitric acid explosion and called in the hazardous material crew, spokeswoman Maya Filipovic said. 
Five crews were on scene. There were no reports of injuries. 
Nitric acid is a highly co