Radiation Hazard Symbol - Universal Warning Sign for Ionizing Radiation #2216206 (License: Personal Use)

This image displays the internationally recognized radiation hazard symbol (trefoil), consisting of three black blades arranged at 120-degree angles around a central circle, set against a vivid yellow background for maximum visibility. Designed in 1946 at the University of California, Berkeley, it conveys immediate danger from radioactive materials or ionizing radiation sources. Its standardized design ensures cross-cultural recognition in safety signage worldwide.

Used on containers, doors, equipment, and documentation in nuclear power plants, medical radiology departments, research labs, and transport packaging. Matches user intent for safety awareness, regulatory compliance, educational content, or hazard identification.