42 C.F.R. § 84.1132 Breathing tubes; minimum requirements.
Title 42 - Public Health
(a) Flexible breathing tubes used in conjunction with respirators shall be designed and constructed to prevent: (1) Restriction of free head movement; (2) Disturbance of the fit of facepieces, mouthpieces, hoods, or helmets; (3) Interference with the wearer's activities; and (4) Shutoff of airflow due to kinking, or from chin or arm pressure.
Title 42: Public Health
PART 84—APPROVAL OF RESPIRATORY PROTECTIVE DEVICES
Subpart KK—Dust, Fume, and Mist; Pesticide; Paint Spray; Powered Air-Purifying High Efficiency Respirators and Combination Gas Masks
§ 84.1132 Breathing tubes; minimum requirements.
