42 CFR 84.156 - Airflow resistance test; Type C supplied-air respirator, demand class; minimum requirements.

Regulations last checked for updates: Jun 01, 2024

Title 42 - Public Health last revised: May 30, 2024

§ 84.156 - Airflow resistance test; Type C supplied-air respirator, demand class; minimum requirements.

(a) Inhalation resistance shall not exceed 50 millimeters (2 inches) of water at an air flow of 115 liters (4 cubic feet) per minute.

(b) The exhalation resistance to a flow of air at a rate of 85 liters (3 cubic feet) per minute shall not exceed 25 millimeters (1 inch) of water.

authority: 29 U.S.C. 651

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

cite as: 42 CFR 84.156