§84.156. Airflow resistance test; Type C supplied-air respirator, demand class; minimum requirements.
42 C.F.R. § 84.156
Inhalation resistance shall not exceed 50 millimeters (2 inches) of water at an air flow of 115 liters (4 cubic feet) per minute.
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.
Notes, amendments, and revision history
Authority
Authority: 29 U.S.C. 651 et seq.; 30 U.S.C. 3, 5, 7, 811, 842(h), 844.
Source
Source: 60 FR 30355, June 8, 1995, unless otherwise noted.