Beryllium & beryllium compounds (as Be)

OSHA

Up to 0.002 mg/m³

(APF = 10) Any air-purifying full-facepiece respirator equipped with an N95, R95, or P95 filter. The following filters may also be used: N99, R99, P99, N100, R100, P100.
Click here for information on selection of N, R, or P filters. 

Up to 0.005 mg/m³:

(APF = 25) Any powered air-purifying full facepiece respirator equipped wiht a hood or helmet and a high efficiency (HEPA) filter

(APF = 25) Any continuous flow supplied-air respirator equipped with a hood or helmet

Up to 0.01 mg/m³:

(APF = 50) Any air-purifying, full-facepiece respirator with an N100, R100, or P100 filter.
Click here for information on selection of N, R, or P filters. 

(APF = 50) Any powered, air-purifying respirator with a tight-fitting facepiece and a high-efficiency particulate filter
(APF = 50) Any supplied-air respirator with a full facepiece
(APF = 50) Any self-contained breathing apparatus with a full facepiece

 

Up to 0.4 mg/m³:

(APF = 2000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode

Emergency or planned entry into unknown concentrations or IDLH conditions:
(APF = 10,000) Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode
(APF = 10,000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode in combination with an auxiliary self-contained positive-pressure breathing apparatus

Escape:

(APF = 50) Any air-purifying, full-facepiece respirator with an N100, R100, or P100 filter.
Click here for information on selection of N, R, or P filters. 

Any appropriate escape-type, self-contained breathing apparatus

Important additional information about respirator selection