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Laboratory performance evaluation of N95 filtering facepiece respirators.

Authors
Coffey-C; Campbell-D
Source
MMWR 1998 Dec; 47(48):1045-1050
NIOSHTIC No.
20000151
Abstract
In 1995, CDC's National Institute for Occupational Safety and Health (NIOSH) introduced a new classification scheme for particulate air-purifying respirators (1). Most health-care workers use type N95 half-mask filtering facepiece respirators (i.e., N95 respirators) to prevent occupational transmission of tuberculosis. As a result, NIOSH received inquiries about how well N95 respirators fit, whether they need to be fit tested, and whether they can be quantitatively fit tested. In response to these inquiries, NIOSH evaluated the performance of 21 N95 respirator models on a 25-person panel. This report summarizes the results of this evaluation, which indicate that fit testing is needed to ensure at least the expected level of protection (i.e., the concentration of airborne contaminants inside the respirator is <= 10% of ambient levels).
Keywords
Air-purification; Air-purifiers; Air-purifying-respirators; Air-quality; Respirators; Respiratory-equipment; Face-masks; Leak-detectors; Filtration
CODEN
MMWRB6
Publication Date
19981211
Document Type
Journal Article
Fiscal Year
1999
NTIS Accession No.
NTIS Price
Issue of Publication
48
ISSN
0892-3787
NIOSH Division
DRDS
Priority Area
Respirator Research
Source Name
Morbidity and Mortality Weekly Report
State
WV
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