§84.178. Breath response type, airflow resistance test—PAPR classes HE and PAPR100.
42 C.F.R. § 84.178
Resistance to airflow will be measured with a breathing machine as described in § 84.88.
Minimum inhalation resistance must be greater than zero mm of water-column height.
Maximum exhalation resistance must be less than 89 mm of water-column height.
Notes, amendments, and revision history
Source
Source: 85 FR 20608, Apr. 14, 2002, unless otherwise noted.
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.