7/24/2019 NIOSH Publication No

1/2

7/24/2019 NIOSH Publication No

2/2

&e!"iato &ecommendation!

NISH" to 50 ""m*3APB 7 /!4 Any supplied#air respirator" to 1100 ""m*

3APB 7 "$4 Any supplied#air respirator operated in a continuous#=lo: mode3APB 7 $!4 Any sel=#contained breathin- apparatus :ith a =ull =acepiece3APB 7 $!4 Any supplied#air respirator :ith a =ull =acepiece(me3enc) o "lanned ent) into unkno4n concentation! o I+H condition!*3APB 7 /!(!!!4 Any sel=#contained breathin- apparatus that has a =ull =acepiece and is operated in a pressure#demand orpressure mode3APB 7 /!(!!!4 Any supplied#air respirator that has a =ull =acepiece and is operated in a pressure#demand or other positi)in combination :ith an au