"Positive pressure respirator" means a respirator in which the pressure inside the respiratory inlet covering exceeds the ambient air pressure outside the respirator.
Nev. Admin. Code § 459.0646
NRS 459.201
"Positive pressure respirator" means a respirator in which the pressure inside the respiratory inlet covering exceeds the ambient air pressure outside the respirator.
Nev. Admin. Code § 459.0646
NRS 459.201