Personal Alert Safety Systems (PASS) make it possible for emergency responders to signal for help if they get lost, disoriented, trapped, injured, or run out of breathing air while operating at an emergency.
Provisions in NFPA 1982: Standard on Personal Alert Safety Systems address labeling, design, performance, testing, and certification for PASS that monitor an emergency responder's motion and automatically emit an audible alarm if the responder becomes incapacitated -- allowing the PASS to be manually activated if assistance is needed.
The 2013 edition includes:
Compliance with the 2013 edition of NFPA 1982 is essential for protecting the health and safety of emergency responders.