Page:NIOSH DM DFM respirator evaluation draft.pdf/22

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Performance Evaluation of DM and DFM Filter Respirators—WORKING DRAFT 9.15.92

Table E—NIOSH's 1976 Recommended Assigned Protection Factors for Particulate-Filter Respirators.

Protection Factor
(Minimal)		 Permissible Respiratory Protection
5X Any dust and mist respirator (30 CFR 11.130)
5X Any dust and mist respirator, except single use (30 CFR 11.130)
10X Any dust and mist respirator, except single-use or quarter mask respirator
(30 CFR 11.130
10X Any fume respirator or high efficiency particulate filter respirator (30 CFR 11.130)
10X Any high efficiency particulate filter respirator (30 CFR 11.130)
50X A high efficiency particulate filter respirator with a full facepiece (30 CFR 11.130)
1,000X A powered air-purifying respirator with a high efficiency particulate filter
(30 CFR 11.130)
Centers for Disease Control
Centers for Disease Control
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