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    RPE FACE-FIT TESTING PASS CRITERIA REVIEW

    Research report finds potential for bias in fit test results

    Where respiratory protective equipment (RPE) is used as a control measure it is vital that the selected RPE is adequate and suitable. RPE must reduce exposure to as low as reasonably practicable, and in any case to an acceptable level (e.g. below any applicable Workplace Exposure Limits or Control Limits).

    To ensure that the selected RPE has the potential to provide adequate protection for individual wearers, a number of HSE Approved CodesĀ  e.g. COSHH, stipulate that tight-fitting RPE must be fit tested as part of the selection process. This will help to ensure that inadequately fitting face pieces are not selected for use. Ill-fitting facepieces can create inward leakages of airborne contaminants.

    Review of fit test pass criteria for FFP3 respirators

    HSE commissioned a Research Report to review fit test pass criteria for Filtering Facepieces Class 3 (FFP3) respirators

    In the study, 25 volunteer test subjects wearing tight-fitting FFP3 (randomly selected from 9 different models) underwent four fit tests (Bitrex qualitative taste test, Portacount particle counting with and without the N95 companion technology and the laboratory chamber method), in random order, according to methodology given in HSE guidance 282/28.

    The selected FFP3 model worn by each test subject was not adjusted until all four fit tests had been completed.

    Results analysed according to the criteria given in the American National Standard for fit test validation, indicate that the Portacount fit test method is more difficult to pass than the other methods. Differences in the methodologies and the potential for bias in the results across the fit test methods are discussed.

    The study also shows that a fit-check should never be used as a substitute for a fit test.

    Latest Construction Health and Safety News

    CONSTRUCTION SAFETY NEWS – END OF NEW CONTENT

    The addition of content on this website ceased on 17th April 2020.

    Material posted before this date can be found by clicking on our SEARCH NEWS DATABASE function.

    Posted on 3rd May 2020

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    Posted on 9th March 2020

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    Posted on 26th February 2020

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    Posted on 26th February 2020

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    Posted on 24th February 2020

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    Posted on 18th February 2020

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    Posted on 18th February 2020

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    Posted on 18th February 2020

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    Posted on 18th February 2020

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    Posted on 18th February 2020

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    Posted on 14th February 2020
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