If I can get a worker with facial hair to pass a quantitative fit test using a PortaCount, can I then allow that worker to wear the full facepiece without him needing to shave? The short answer?
SHOREVIEW, Minn., April 3, 2018 /PRNewswire/ -- TSI Incorporated recently kicked off a program to equip U.S. colleges and universities with PortaCount® Respirator Fit Testers. The TSI Future ...
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