Resources with keywords: PPE
Wang X, Ferro EG, Zhou G, et al.
Chandini Raina MacIntyre, et al.
Degesys NF, Wang RC, et al.
A surgical mask is not a respirator and that’s an important distinction for you and your employer to understand. This infographic reviews the significant differences between the two.
This site provides a listing of NIOSH-approved particulate filtering facepiece respirators. This type of air-purifying respirators protects by filtering particles out of the air the user is breathing. There are seven classes of filters for NIOSH-approved filtering facepiece respirators available at this time. Ninety-five percent is the minimal level of filtration that will be approved by NIOSH. The N, R, and P designations refer to the filter’s oil resistance as described below.

