NFPA 704 Hazard Diamond Symbol - Safety Rating System Explained #265157 (License: Personal Use)

The NFPA 704 hazard identification system-commonly called the “fire diamond”-is a standardized visual tool used to alert emergency personnel and workers to the dangers of hazardous materials. Its four colored sections represent health hazard (blue), flammability (red), instability/reactivity (yellow), and special hazards (white), each rated numerically from 0 (minimal) to 4 (severe). Widely adopted in industrial facilities, laboratories, and transportation, it supports rapid risk assessment during emergencies.

This image is used on safety training pages, chemical datasheets, OSHA/NFPA compliance guides, and emergency response portals. It serves users seeking to understand hazard labeling standards or implement workplace safety protocols.