42 C.F.R. § 84.176 Facepieces, hoods, and helmets; eyepieces; minimum requirements.
Title 42 - Public Health
Facepieces, hoods, and helmets shall be designed and constructed to provide adequate vision which is not distorted by the eyepieces.
Title 42: Public Health
PART 84—APPROVAL OF RESPIRATORY PROTECTIVE DEVICES
Subpart K—Non-Powered Air-Purifying Particulate Respirators
§ 84.176 Facepieces, hoods, and helmets; eyepieces; minimum requirements.
