42 CFR 84.177 - Inhalation and exhalation valves; minimum requirements.

§ 84.177 Inhalation and exhalation valves; minimum requirements.

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

(b) Inhalation valves shall be designed and constructed and provided where necessary to prevent excessive exhaled air from adversely affecting filters, except where filters are specifically designed to resist moisture.

(c) Exhalation valves shall be:

(1) Provided where necessary;

(2) Protected against damage and external influence; and

(3) 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

Title 42 published on 15-May-2018 04:40

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 42 CFR Part 84 after this date.

  • 2018-03-22; vol. 83 # 56 - Thursday, March 22, 2018
    1. 83 FR 12527 - Clarification of Post-Approval Testing Standards for Closed-Circuit Escape Respirators; Technical Amendments
      GPO FDSys XML | Text
      DEPARTMENT OF HEALTH AND HUMAN SERVICES, Centers for Disease Control and Prevention, HHS
      Notice of proposed rulemaking.
      Comments must be received by May 21, 2018.
      42 CFR Part 84