Face Fit Testing


  1. I have been told that I need to be fit tested wearing my mask/respirator, what is fit testing?

    It is a way to check that the respirator being worn will actually offer the protection that it has...

  2. When and why should Fit Testing be reviewed?

    Fit Testing should be reviewed on a case by case basis. Here are some of those instances: have facial...

  3. How often is recommended for Fit Testing to be carried out?

    Fit Testing is now recommended by BSIF every 2 years as of 10th April 2019. Prior to this JSP...

  4. Do full face masks need a face fit test?

    Yes, they do. Any tight fitting respirator aligned to a full face mask, half masks and disposable masks must...

  5. Can I test a full face mask qualitatively?

    No, a much higher fit factor is required for a full face mask, HSE reports have shown that a...

  6. What filters do I need for fume/mist?

    (assuming the mist from the Bitrex® is meant here) a high efficiency particle filter would be suitable. However please...

  7. What deems a Fit Tester competent?

    To be deemed competent, an individual must be trained and experienced in conducting the fit test method. They must...

  8. Will the mask work with a small amount of stubble?

    HSE guidance is that a tight fitting respiratory should not be used with stubble. A test subject should be...

  9. What is the INDG479 document?

    The INDG479 document replaces and supersedes the HSE OC282/28 titled: Fit Testing of Respiratory Protective Equipment Face Pieces as...

  10. Does the INDG479 document have any companion documents?

    Three Companion documents support the INDG479 produced by the Health and Safety Executive (HSE) in partnership with British Safety...

  11. What do the companion documents for INDG479 identify?

    Three Companion documents identify the following Fit Testing applications and methods: 1. Qualitative Fit Test. 2. Quantitative Fit Testing....

  12. Where can I find documents from FIT2FIT?

    FIT2FIT Companion Documents can be found at: FIT2FIT

  13. Which Respiratory products require fit testing?

    Tight-fitting respirators: disposable dust masks, half or full face masks.

  14. Who requires fit testing?

    Anyone who uses tight-fitting RPE for protection in the workplace.

  15. When to conduct fit testing?

    Fit testing should be carried out on initial selection or, at least, before an individual uses the respirator in...

  16. Who can provide fit testing?

    Fit testing of RPE must be carried out by a competent individual with experience of conducting the relevant test....

  17. Two types of fit testing

    Qualitative: Method whereby a respirator worn by a test subject is challenged using a substance to be detected by...

  18. Which factors affect fit?

    Faces vary in shape, size and proportions and one respirator will not fit everyone – it is important to...

  19. What information does the INDG479 document include?

    The INDG479 guide gives advice on fit testing for the employer and those competent persons conducting fit tests.

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