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29 U.S.C. 651 et seq.; 30 U.S.C. 3, 5, 7, 811, 842(h), 844.
60 FR 30355, June 8, 1995, unless otherwise noted.
85 FR 20608, Apr. 14, 2002, unless otherwise noted.
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Subscribe to: 42 CFR 84.178
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Nomenclature changes to part 84 appear at 69 FR 18803, Apr. 9, 2004.
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.