One common concern about cloth face masks is the level of filtration they provide. The fabric’s mesh is often too open to filter out smaller particles such as smoke, dust, or viruses. A popular ...

The two most-common questions I hear when it comes to disposable dust masks/respirators are: “My employees wear disposable dust masks – do I have to fit test these employees?” and “How often should ...

Always be sure that you have chosen the correct mask for the application and that you follow all of the manufacturer's recommendations and all OSHA requirements. The president of Chicago's Trauma Risk ...

The clouds of deadly dust enveloping lower Manhattan shouldn’t be faced without a mask, a leading respiratory expert said. Dr. Dorsett Smith said many rescue workers involved in the effort to find ...

Add Yahoo as a preferred source to see more of our stories on Google. To meet CDC guidelines, the face coverings should allow you to breathe without restriction, include multiple layers of fabric, fit ...