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Jeff Gilchrist

Fit Testing to ensure a good seal on your mask [Part 1]

This thread explains what is ( and ), why it is important, and my testing experience with some real-world results of various types of masks including NIOSH and ear loop. 🧵 1/

The one page easier to share version of this thread can be found at: pingthread.com/thread/16523940

Photo showing the difference between quantitative (measuring particles inside and outside the mask) and qualitative (someone trying to taste bitter/sweet aerosols leaking into the mask). Photo from: https://www.youtube.com/watch?v=2xyNg2s1u7c
Apr 30, 2023, 11:09 PM·Public·Web
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