42 CFR 84.178 - Breath response type, airflow resistance test

Regulations last checked for updates: Nov 22, 2024

Title 42 - Public Health last revised: Nov 19, 2024

§ 84.178 - Breath response type, airflow resistance test—PAPR classes HE and PAPR100.

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.

authority: 29 U.S.C. 651

source: 60 FR 30355, June 8, 1995, unless otherwise noted.

cite as: 42 CFR 84.178