NFPA 1981 (Standard on Open-Circuit Self-Contained Breathing Apparatus)

NFPA 1981 is a safety standard for open-circuit self-contained breathing apparatus (SCBA) used by firefighters, rescue teams, and hazmat workers. It specifies the design, performance, and testing requirements to ensure reliable, breathable air supply in hazardous environments. The standard covers aspects like air quality, pressure, communication, and durability, aimed at protecting users from inhaling harmful substances and ensuring equipment functions properly under tough conditions. Overall, NFPA 1981 promotes safety standards that help responders breathe safely and perform effectively during emergency operations.