Comment on Anon takes the welding pill

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nilloc@discuss.tchncs.de ⁨5⁩ ⁨days⁩ ago

Just looked it up and N95-P100 masks/respirators cover most exposure that welding should create. I’m a hobbyist welder, but wear a P100 respirator 95% if the time (100% indoors).

From NIOSH:

RESPIRATOR RECOMMENDATIONS

NIOSH

Up to 10 mg/m3
(APF = 10) Any particulate respirator equipped with an N95, R95, or P95 filter (including N95, R95, and P95 filtering facepieces) except quarter-mask respirators. 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.
(APF = 10) Any supplied-air respirator

Up to 25 mg/m3
(APF = 25) Any supplied-air respirator operated in a continuous-flow mode
(APF = 25) Any powered, air-purifying respirator with a high-efficiency particulate filter.

Up to 50 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 supplied-air respirator that has a tight-fitting facepiece and is operated in a continuous-flow mode
(APF = 50) Any powered, air-purifying respirator with a tight-fitting facepiece and a high-efficiency particulate filter
(APF = 50) Any self-contained breathing apparatus with a full facepiece
(APF = 50) Any supplied-air respirator with a full facepiece

Up to 500 mg/m3
(APF = 1000) Any supplied-air respirator 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

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