Can I do QLFT on a full-face APR?
The short answer is NO, but if we do, there’s a significant catch regarding its protection rating. Under OSHA standards (29 CFR 1910.134), you are technically allowed to perform a Qualitative Fit Test (QLFT) on a full-face respirator, but doing so limits its Assigned Protection Factor (APF) to 10. Here is the breakdown of why […]
