Quantitative fit testing is the preferred testing method. The ambient aerosol condensation nuclei counting (CNC) method, using a Portacount® Plus instrument, has been selected as the quantitative fit ...

UC Davis Health is assessing the integrity, performance of the respirator masks after they are decontaminated The goal is to establish a backup supply in the face of high demand during the coronavirus ...

Researchers in the United States have conducted a study demonstrating that personal assessment of whether respirators and face masks fit properly cannot be relied on in efforts to protect against ...

Researchers have developed a way to use a simple home aroma diffuser to test whether N95 and other types of sealing masks, such as KN95 and FFP2 masks, are properly fitted, a result which could be ...

Researchers have tested a variety of popular hacks for improving the fit of KN95 and surgical masks, and found that while some hacks do improve fit, they can also come at the cost of the wearer's ...

WHEN OSHA's revised Respiratory Protection Standard for General Industry, 29 CFR 1910.134, became effective on April 8, 1998, it provided employers with an all-inclusive reference source for fit ...

A team of researchers studying the effectiveness of different types of face masks has found that in order to provide the best protection against COVID-19, the fit of a mask is as important, or more ...

Researchers have tested a variety of popular hacks for improving the fit of KN95 and surgical masks, and found that while some hacks do improve fit, they can also come at the cost of the wearer’s ...

Researchers studying the effectiveness of different types of face masks have found that in order to provide the best protection against COVID-19, the fit of a mask is as important, or more important, ...