Welcome back to the Science of Safety Podcast. In this episode, co-hosts Mark Reggers and Laurie Wells along with their guest, 3M’s Jessica Tredinnick, discuss the importance of fit for tight-fitting respirators. Tune in to learn more about fit, fit testing, factors that can affect fit such as facial hair, best practices, and much more.

The first global season of the Science of Safety Podcast is presented by the 3M Personal Safety Division. This is a podcast that is curious about the science and systems behind workplace health and safety with a focus on personal protective equipment (or PPE) used to help keep workers healthy and safe.