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Regulations last checked for updates: May 23, 2025

Title 42 - Public Health last revised: May 16, 2025
All TitlesTitle 42Chapter IPart 84Subpart F - Subpart F—Classification of Approved Respirators; Scope of Approval; Atmospheric Hazards; Service Time
  • § 84.50 - Types of respirators to be approved; scope of approval.
  • § 84.51 - Entry and escape, or escape only; classification.
  • § 84.52 - Respiratory hazards; classification.
  • § 84.53 - Service time; classification.
authority: 29 U.S.C. 651
source: 60 FR 30355, June 8, 1995, unless otherwise noted.
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