42 CFR 84.122
§ 84.122 Breathing resistance test; minimum requirements.
United States · 42 CFR — Public Health · Status: effective
Cite this
- Citation
- 42 CFR 84.122, § 84.122 Breathing resistance test; minimum requirements, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/201736
- Permanent ID
ys:prov:201736@1- SHA-256
3f9a8d36da03e7792391f6cc51821499f46d6315302ce5c73f33f4d45f119f51
The hash is SHA-256 of this version's text, with every run of whitespace collapsed to a single space and the ends trimmed. The ID always leads back here, and checking it says whether the text you cited is still the current version.
Full text
(a) Resistance to airflow will be measured in the facepiece or mouthpiece of a gas mask mounted on a breathing machine both before and after each test conducted in accordance with §§ 84.124, 84.125, and 84.126, with air flowing at a continuous rate of 85 liters per minute.
(b) The maximum allowable resistance requirements for gas masks are as follows:
Maximum Resistance
[mm. water-column height]
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.