GroundRules
42 CFR 84.178: Breath response type, airflow resistance test—PAPR classes HE and PAPR100.
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
Resistance to airflow will be measured with a breathing machine as described in § 84.88.
(a) Minimum inhalation resistance must be greater than zero mm of water-column height.
(b) Maximum exhalation resistance must be less than 89 mm of water-column height.
Collected 2026-08-27T02:26:11Z. Source file · JSON