Michael Douglas

National Manager, Market Segments

Can workers refuse “uncomfortable” respirators? New CSA standard says yes.

December 19th, 2018

“Respirator comfort is an important factor in wearer acceptance. Respirators with greater wearer acceptance are more likely to be worn appropriately.” — CAN/CSA-Z94.4-18 As...

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Michael Douglas

National Manager, Market Segments

Your quick CAN/CSA-Z94.4 respiratory protection cheat sheet

December 11th, 2018

The latest edition of the respiratory protection standard was released in September 2018 and we’ve been getting lots of questions. It’s important to...

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Jonathan McCallum

Market Segment Manager: Occupational Health, Industrial Hygiene & Environmental Monitoring

How to pass a respirator fit test

May 8th, 2018

The title of this post might seem a bit misleading, but we get asked “how do I pass a respirator fit test?” a...

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Jonathan McCallum

Market Segment Manager: Occupational Health, Industrial Hygiene & Environmental Monitoring

Respirator Fit Testing Tips and Tricks: Basic Troubleshooting

April 17th, 2018

If you’ve ever performed QNFT (quantitative) respirator fit testing, you know that the process can sometimes be challenging and interspersed with occasionally failed...

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