Join the Community of Safety Pros today! Join the Community of Safety Pros today! In this episode, we talk with Stephen Petty, CIH, about the true efficacy of masks as it relates to the prevention of COVID-19 transmission. Stephen Petty, a certified industrial hygienist, safety professional, and engineer with 45 years of experience in the field, is one of the top testifying experts on personal protective equipment (PPE) and exposure control in the country. WARNING: This episode gets into topics that are still not widely discussed openly and honestly. Let's just say the video may not make it to YouTube, and we are ok with that. **Premium Community members, check the comments section for links to relevant materials referenced in this episode.** Please listen and share this episode with others. If you want to go more in-depth on this and other topics - become a SafetyPro Community member (FREE to join). Premium Community members can access exclusive content like episode videos, video courses, templates/downloads, participate in live streams, and direct message/live chat with the Safety Pro.  Join the Community of Safety Pros today! **Visit Mighty Line Tape for all of your floor marking and facility sign needs**