What is picric acid? Why would it be in Calgary?

Update: 2025-08-29

Description

Earlier this week, Calgary police closed off several blocks of Manchester industrial park to dispose of some dangerous chemicals that were discovered outside a local business. It was identified as picric acid. What is it and why would it be here in Calgary? And why did a bomb squad have to show to get rid of it? Sarah chats with Dr. Ian Hunt, Senior Instructor, Dept. of Chemistry, University of Calgary.

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