Search for tag: "respirator"

Respirator Fit Testing Errors and Solutions by Dr. McKay

Fit testing errors can cause poorly fitting respirators to pass a fit test. These common mistakes and solutions are explained.

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From  Roy McKay 22 plays 0  

Incorrect Squeezing of Nebulizer - Errors in Fit Testing by Dr. McKay

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…

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From  Roy McKay 21 plays 0  

Spraying Directly Into the Facepiece - Errors in Fit Testing by Dr. McKay

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…

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From  Roy McKay 12 plays 0  

Tilting of the Nebulizer - Errors in Respirator Fit Testing by Dr. McKay

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…

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From  Roy McKay 27 plays 0  

Clogging of Nebulizer During Respirator Fit Testing by Dr. McKay

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…

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From  Roy McKay 103 plays 0  

What is QualFit Respirator Fit Testing Software?

Learn how QualFit software simplifies and improves the accuracy of qualitative respirator fit tests

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From  Roy McKay 23 plays 0  

Threshold Screening Procedure for Qualitative Respirator Fit Testing by Dr McKay

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)…

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From  Roy McKay 65 plays 0  

Basic Operation of QualFit Software by Dr. McKay

Learn basic steps for using QualFit software to administer a qualitative respirator fit test for compliance with the OSHA respirator standard.

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From  Roy McKay 9 plays 0  

Qualitative Respirator Fit Testing: A Comprehensive Look by Dr. McKay

This video provides comprehensive step-by-step guidelines to administer qualitative respirator fit testing using sweet or bitter agents. Procedures include threshold screening and administration of…

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From  Roy McKay 13 plays 0