About 22 million U.S. workers are exposed to hazardous noise levels at work, and hearing loss is the second-most-common occupational illness in America, according to NIOSH and the U.S. Bureau of Labor ...

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 Occupational Safety and Health Administration (OSHA) on Sept. 25 issued a final rule approving two additional quantitative fit testing protocols for inclusion in its Respiratory Protection ...

Dear Nozzlehead: Another firefighter and I recently stopped by one of the fire stations in our area to say hello. When we walked in we observed the annual SCBA mask-fit testing being done by a private ...

A fit test is a test protocol conducted to verify that an air-purifying respirator is both comfortable and correctly fits the user. Fit testing uses a test agent, either qualitatively detected by the ...