Step 1:
If your only respirator use is for escape, skip to Step 8 to select the appropriate respirator.
Step 2:
If the respiratory hazard is a biological aerosol, such as TB (tuberculosis), anthrax, psittacosis (parrot fever), or hanta virus, select a respirator appropriate for non-emergency activities recognized to present a health risk to workers AND skip to Step 8.
(a) If respirator use will occur during emergencies, skip to Step 8 and document the analysis used to select the appropriate respirator.
(b) Use Centers for Disease Control (CDC) selection guidance for exposures to specific biological agents when this guidance exists. Visit http://www.cdc.gov.