Since 2024, 33 mines have been granted the use of a Powered Air Purifying Respirator (PAPR) through the Petition for Modification process. Electromagnetic interference can cause failure of a miner-worn Proximity Detection System (PDS) if it is not worn as recommended, such as being worn too close to the battery or motor/blower of a PAPR. The illustrations show how miners can position these devices when using belt-worn and neck-supported PAPRs and maintain the recommended separation distance.

Read the full safety alert now: https://www.msha.gov/news-and-updates/alerts-hazards/filter/papr-pds-positioning-safety-alert