QNFT or QLFT, which is acceptable for an emergency responder entering IDLH atm’s?
Since I was able to conduct my very first fit test, I was taught that the Qualitative method was ONLY permitted when the user was wearing an Air Purifying Respirator (APR) which needed a fit factor of 100 or less. When I read 1910.134(f)(6), that is exactly how I read it today… QLFT may only…...
QNFT or QLFT, which is acceptable for an emergency responder entering IDLH atm’s? Read More »