NFPA 704 Hazard Diamond Guide for Emergency Responders #131660 (License: Personal Use)

This illustration depicts a hazardous materials responder wearing Level A personal protective equipment (PPE), including a self-contained breathing apparatus and fully encapsulating suit, positioned behind five NFPA 704 hazard diamonds. The diamonds represent key hazard categories: health (white, skull & crossbones, UN 1671, Class 6), flammability (red, flame, UN 1075, Class 3), instability/reactivity (yellow, flame over circle, UN 1942, Class 5.1), oxidizer (yellow, flame over circle, UN 1942), and specific hazards (blue/white, test tube & hand, UN 2789, Class 8). Each includes UN numbers and hazard class codes critical for emergency response and transport.

Used on safety training pages, OSHA/NFPA compliance guides, hazmat certification courses, and emergency response manuals; supports user intent to quickly identify chemical hazards and select appropriate PPE or mitigation strategies.