|
|
Squeezing the nebulizer bulb incorrectly (using 2 fingers) results in an inadequate challenge aerosol concentration. Proper squeezing of the nebulizer bulb requires the bulb to be completely…
|
|
|
Spraying the aerosol directly into the the filter reduces the challenge concentration. This error can allow poorly fitting respirators to pass the fit test, which can have consequences for the…
|
|
|
This video shows how excessive tilting of nebulizers used for respirator fit testing fails to generate a sufficient aerosol challenge concentration. When this happens, poorly fitting respirators can…
|
|
|
Clogging of nebulizers used during qualitative respirator fit testing (QLFT) are a common occurrence. This video provides explains how to check nebulizers for clogging prior to the start and end of…
|
|
|
Shows rapid movement of warm, moist, mixture of respiratory droplets of various size ranges traveling within a gas cloud up to 27 feet
|
|
|
Qualitative Respirator Fit Testing with sweet or bitter taste solutions is conducted in two phases: Threshold Screening and Fit Testing. This video demonstrates the first phase (Threshold Screening)…
|
|
|
Learn basic steps for using QualFit software to administer a qualitative respirator fit test for compliance with the OSHA respirator standard.
|