A woman is facing a criminal negligence charge following a hazardous materials incident in Calgary last week that prompted controlled explosions.

Around noon on Tuesday, Aug. 26, police responded to reports of a suspicious package in the Manchester Industrial Area.

Police and the Calgary Fire Department (CFD) determined the material — picric acid — was unstable and posed a safety risk.

The area was evacuated and authorities created a ‘safe disposal’ plan.

The next day, Aug. 27, officials conducted controlled detonations of the material at the site where it was found.

Further analysis determined the material could be safely transported to a designated site where more controlled explosions would take place.

Investigators believe a local moving company had been contracted to dispose of

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