HHS proposes a revision to the current requirement for open-circuit self-contained breathing apparatus (OC-SCBA) remaining service-life indicators (indicators), which are devices built into a respirator to alert the user that the breathing air provided by the respirator is close to depletion. HHS intends to revise the current standard to allow greater latitude in the setting of...
Open-Circuit Self-Contained Breathing Apparatus Remaining Service-Life Indicator Performance Requirements
