Safety Questions – PTC Paper

Safety Questions – PTC Paper

The STAO Safety Committee frequently responds to questions that Ontario teachers pose regarding safety in their science facilities.  Here is a sample: Question Recently, the safety of PTC paper, used widely for demonstrating the ability to taste vs the inability to...
Move Over WHMIS, Here Come’s GHS

Move Over WHMIS, Here Come’s GHS

What is the Globally Harmonized System (GHS)? According to the Canadian Centre for Occupational Health and Safety, GHS stands for the Globally Harmonized System of Classification and Labelling of Chemicals. GHS is a system that defines and classifies the hazards of...
Safety Questions – Ductless Fume Hoods

Safety Questions – Ductless Fume Hoods

The STAO Safety Committee frequently responds to questions that Ontario teachers pose regarding safety in their science facilities.  Here is a sample: Question Are ductless fume hoods a good alternative to traditional fume hoods? Since the summer, we’ve been taking an...

Safety – To Vent or not to Vent Flammables Cabinets

Question to STAO Safety Committee: I was at a school that had an externally vented flammable cabinet.  The cabinet at my current school isn’t vented and there is always a strong (somewhat overpowering) smell whenever the cabinet is opened.  While the MSDS sheet...
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