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NIOSH repiratory filter classes
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9/4/18
[PDF-697.87 KB]
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Description:N95 day 2018
NIOSH classifies the filtering media in respirators based on its resistance to oil and its particle filtering efficiency. The resistance to oil is designated as “N”, “R”, or “P”. Particle filtering efficiency is designated “95”, “99”, or “99.97”.
NIOSH Respirator Trusted-Source: https://www.cdc.gov/niosh/npptl/topics/respirators/disp_part/RespSource.html NIOSH Respirator Selection Logic: https://www.cdc.gov/niosh/docs/2005-100/pdfs/2005-100.pdf
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N95RespirClassesInfographic-508.pdf
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Pages in Document:1 poster
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NIOSHTIC Number:nn:20057037
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