42 CFR 84.77: Inhalation and exhalation valves; minimum requirements.
Where this section sits in the code
- Title 42—Public Health
- CHAPTER I—PUBLIC HEALTH SERVICE, DEPARTMENT OF HEALTH AND HUMAN SERVICES
- SUBCHAPTER G—OCCUPATIONAL SAFETY AND HEALTH RESEARCH AND RELATED ACTIVITIES
- PART 84—APPROVAL OF RESPIRATORY PROTECTIVE DEVICES
- Subpart H—Self-Contained Breathing Apparatus
(a) Inhalation and exhalation valves shall be provided where necessary and protected against damage and distortion.
(b) Exhalation valves shall be—
(1) Protected against external influence; and
(2) Designed and constructed to prevent inward leakage of contaminated air.
Collected 2026-08-27T02:26:11Z. Source file · JSON