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

§ 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.
(c) Exhalation valves shall be—
(1) Protected against damage and external influence; and
(2) Designed and constructed to prevent inward leakage of contaminated air.
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§ 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.

(c) Exhalation valves shall be -

(1) Protected against damage and external influence; and

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

This is a list of United States Code sections, Statutes at Large, Public Laws, and Presidential Documents, which provide rulemaking authority for this CFR Part.

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United States Code
U.S. Code: Title 29 - LABOR
U.S. Code: Title 30 - MINERAL LANDS AND MINING