NFPA 704 Hazard Diamond Explained | Health 3, Flammability 0, Instability 1 #2017257 (License: Personal Use)

The image displays a standard NFPA 704 hazard identification diamond with a blue quadrant marked “3” for severe health hazard, red quadrant “0” for non-flammable materials, yellow quadrant “1” for slightly unstable substances, and white quadrant left blank (no specific hazard like oxidizer or water-reactive). Each color-coded section follows the National Fire Protection Association’s standardized system for quick visual risk assessment in industrial, laboratory, and emergency response settings.

Used on chemical containers, storage areas, and facility entrances to communicate immediate hazards to firefighters, hazmat teams, and workers; matches user intent for safety training, regulatory compliance, or hazard identification reference.