Page 21 - PPE GUIDELINE
P. 21
Guidelines on the Use of PPE Against Chemical Hazards
Respirator Selection Flow Chart
The following flow chart simplifies the steps in respirator selection.
Figure 1: Respirator Selection Flow Chart
No
Is
concentration Yes
higher than Use half mask
Identify PEL? respirator with
Contaminants appropriate filter.
Is No
Determine concentration Yes
Concentration 10 times higher Use full face
than PEL? respirator with
Is No
concentration Yes Is the Yes Use full face
still unknown? concentration supplied air or
higher than 100X PAPR respirator
Do not use air PEL? with hood or
purifying helmet and
No respirators. Use appropriate filter.
SCBA. No
Is the
Yes concentration
Does potential Yes higher than
for oxygen 1000X PEL?
deficiency
No No respirator
needed.
No Yes Does the Recommended
concentration
exceed IDLH? only for
concentration
higher than
0.5X PEL
Department of Occupational Safety & Health, Ministry of Human Resources, Malaysia October 2005 21
