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CSE SR-100

CSE Corporation (CSE) has requested that the approval of the CSE SR-100 Self Contained Self Respirator (SCSR) be rescinded after December 31, 2013 consistent with MSHA Procedure Instruction Letter (PIL I12-V-18) indicating that all units should be removed from mining service by December 31, 2013. NIOSH has issued a user notice serving as official notification that as of January 1, 2014, the SR-100 will no longer be a NIOSH/MSHA approved respirator. For additional information, see below.


  • Procedure Instruction Letter I12-V-18
    Phasing Out CSE Corporation SR-100 Self-Contained Self-Rescuers and Enforcement - Issued 7/26/2012
  • Questions and Answers
  • Program Information Bulletin P12-09

  • NIOSH User Notice Issued 4/26/2012 - PDF Version     - NIOSH Web Version

  • News Release

  • CSE 100 Single Source Alerts Page