BH GSO ASTM F2101:2023
Bahraini Standard
Current Edition
·
Approved on
05 April 2023
·
Standard Test Method for Evaluating the Bacterial Filtration Efficiency (BFE) of Medical Face Mask Materials, Using a Biological Aerosol of <emph type="ital" >Staphylococcus aureus</emph>
BH GSO ASTM F2101:2023 Files
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BH GSO ASTM F2101:2023 Scope
1.1 This test method is used to measure the bacterial
filtration efficiency (BFE) of medical face mask materials,
employing a ratio of the upstream bacterial challenge to
downstream residual concentration to determine filtration efficiency
of medical face mask materials.
1.2 This test method is a quantitative method that allows
filtration efficiency for medical face mask materials to be
determined. The maximum filtration efficiency that can be
determined by this method is 99.9 %.
1.3 This test method does not apply to all forms or conditions
of biological aerosol exposure. Users of the test method
should review modes for worker exposure and assess the
appropriateness of the method for their specific applications.
1.4 This test method evaluates medical face mask materials
as an item of protective clothing but does not evaluate
materials for regulatory approval as respirators. If respiratory
protection for the wearer is needed, a NIOSH-certified respirator
should be used. Relatively high bacterial filtration efficiency
measurements for a particular medical face mask
material does not ensure that the wearer will be protected from
biological aerosols, since this test method primarily evaluates
the performance of the composite materials used in the
construction of the medical face mask and not its design, fit, or
facial-sealing properties.
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