We live in a world of labels. We trust some labels to be precise: We expect a 250 mg capsule to deliver 250 milligrams of medication, and our 2-liter soft drink bottle undoubtedly holds two liters.

The Department of Homeland Security’s Center for Domestic Preparedness Mobile Training Unit has selected the OHD FitTester 3000 as the instrument to use for training respirator fit testing in the ...

On March 14, 2020, the Occupational Safety and Health Administration (OSHA) issued temporary enforcement guidance addressing the fit-testing requirements in the agency’s respiratory protection ...

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 ...