ANSI/ISEA 110-2009: Air-Purifying Smoke Escape Devices
From dangerous gas leaks to fires, life-threatening situations can occur in seconds. In these emergency situations, rescue workers and people in danger must have quick…
NFPA 1989-2019: Standard on Breathing Air Quality for Emergency Services Respiratory Protection
The air that humans breathe isn’t entirely made up of oxygen. Most of the air we take in during long sighs or calming breaths is…