42 CFR 84.200 - Inhalation and exhalation valves; minimum requirements.

Regulations last checked for updates: Feb 10, 2026

Title 42 - Public Health last revised: Feb 02, 2026

§ 84.200 - Inhalation and exhalation valves; minimum requirements.

(a) Inhalation and exhalation valves shall be provided where necessary and protected against distortion.

(b) Inhalation valves shall be designed and constructed to prevent excessive exhaled air from entering cartridges or adversely affecting canisters.

(1) Protected against damage and external influence; and

(2) Designed and constructed to prevent inward leakage of contaminated air.

authority: 29 U.S.C. 651

source: 60 FR 30355, June 8, 1995, unless otherwise noted.

cite as: 42 CFR 84.200