42 C.F.R. § 84.156

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

Last amended: 2015Year: 2026Length: 53 wordsSubsections: 2Official source

Cite as 42 C.F.R. § 84.156 (2026)

(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.
42 C.F.R. § 84.156: Airflow resistance test; Type C supplied-air respirator, demand class; minimum requirements. | Justis AI