Rule lifecycle · RIN:1219-AC17

Powered Air Purifying Respirators (PAPRs) in Underground Mines

Department of Labor, Mine Safety and Health Administration — observed across 2 documents over 21 days. Use the source documents below before deciding whether this affects your business.

In plain English

The rule sets new safety standards for powered air purifying respirators—breathing devices miners wear to stay safe from dangerous dust and chemicals in underground mines. Mining companies and equipment makers should start reviewing these requirements now because they'll need to meet the new standards for their workers and products once the rule is finalized.

First seen

Jul 1, 2025

Last seen

Jul 22, 2025

Latest stage

Proposed Rule

PRORULE → RULE

Stage timeline

  1. Proposed·Jul 1, 2025

    Powered Air Purifying Respirators (PAPRs) in Underground Mines

    #2025-11743

  2. Proposed·Jul 22, 2025

    Powered Air Purifying Respirators (PAPRs) in Underground Mines

    #2025-13746