Understanding the Breathing Gas Capacities (ratings) of Escape Respirators for Mineworker Use
DHHS (NIOSH) Publication Number 2013-148
The following information will help workers understand the meaning of breathing gas capacity of a jointly approved National Institute for Occupational Safety and Health (NIOSH) and Mine Safety and Health Administration (MSHA) closed-circuit escape respirator (CCER). Understanding the uses and limitations of the CCER is important in planning for an escape during a mine emergency.
Understanding the Breathing Gas Capacities (ratings) of Escape Respirators for Mineworker Use pdf icon[PDF – 710 KB]