CFR > Title 42 - Public Health > CHAPTER I—PUBLIC HEALTH SERVICE, DEPARTMENT OF HEALTH AND HUMAN SERVICES > SUBCHAPTER G—OCCUPATIONAL SAFETY AND HEALTH RESEARCH AND RELATED ACTIVITIES (parts 80 to 87) > PART 84—APPROVAL OF RESPIRATORY PROTECTIVE DEVICES > SUBPART I—Gas Masks (§84.110 to §84.126) > 84.111—Gas masks; required components.

84.111—Gas masks; required components.

(a) Each gas mask described in § 84.110 shall, where its design requires, contain the following component parts:
(1) Facepiece or mouthpiece and noseclip;
(2) Canister or cartridge;
(3) Canister harness;
(4) External check valve; and
(5) Breathing tube.
(b) The components of each gas mask shall meet the minimum construction requirements set forth in subpart G of this part.