Pursuant to 29 C.F.R. § 1910.134(f) employees are required to be fit tested prior to wearing tight-fitting respirators and the fit test administered must be using an OSHA-accepted fit test protocol.

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.

Many users in a group may obtain values close to the labeled NRR, but a substantial portion typically do not. The only way to determine a person's attenuation level is with a fit test system. Editor's ...

It's been called one of the most hazardous work sites in the country. The World Trade Center in New York City has enough workplace hazards to challenge any safety professional. MSA, a leading ...