UN Hazard Classes Chart - 9 Dangerous Goods Placards Explained #131657 (License: Personal Use)

This image presents the standardized United Nations system for classifying hazardous materials into nine distinct categories, each represented by a uniquely colored and symbolized diamond placard used in transportation and storage. Class 1 covers explosives, Class 2 includes compressed gases (flammable, non-flammable, toxic), Class 3 is for flammable liquids, Class 4 for flammable solids and substances dangerous when wet, Class 5 for oxidizers and organic peroxides, Class 6 for poisons and infectious substances, Class 7 for radioactive materials, Class 8 for corrosives, and Class 9 for miscellaneous hazards. Each placard features specific pictograms, text, and hazard numbers to ensure universal recognition and safe handling.

Used in occupational safety training, hazmat certification courses, logistics documentation, emergency response guides, and regulatory compliance materials (e.g., OSHA, DOT, IMDG). Matches user intent seeking visual reference for identifying and understanding hazardous material classifications.