Supersedes October 2, 2006 Letter to All Respirator Manufacturers
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Supersedes October 2, 2006 Letter to All Respirator Manufacturers

  • 08/31/2018

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  • Description:
    NIOSH has been asked to clarify the October 2, 2006 NIOSH “Letter to all Manufacturers” titled: NIOSH Policy for Respirator Sealing Surfaces and Facial Hair. This notice is intended to clarify the NIOSH definition of respirator sealing surfaces and supersedes the October 2, 2006 letter.
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