1. LawStack
  2. Title 42 - Public Health
  3. Chapter I - PUBLIC HEALTH SERVICE, DEPARTMENT OF HEALTH AND HUMAN SERVICES
  4. Subchapter G - OCCUPATIONAL SAFETY AND HEALTH RESEARCH AND RELATED ACTIVITIES
  5. Part 84 - APPROVAL OF RESPIRATORY PROTECTIVE DEVICES
  6. Subpart I - Gas Masks
  7. 42 CFR § 84.123
42 CFR § 84.123
Exhalation valve leakage test
June 11, 2020
CFR

(a) Dry exhalation valves and valve seats will be subjected to a suction of 25 mm. water-column height while in a normal operating position.

(b) Leakage between the valve and valve seat shall not exceed 30 milliliters per minute.

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