GroundRules
42 CFR 84.173: Exhalation valve leakage test.
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 K—Air-Purifying Particulate Respirators
(a) Dry exhalation valves and valve seats will be subjected to a suction of 25 mm water-column height while in a normal operating position.
(b) Leakage between the valve and valve seat must not exceed 30 mL per minute.
Collected 2026-08-27T02:26:11Z. Source file · JSON