Radioactive Warning Sign - Universal Symbol for Ionizing Radiation Hazard #1207150 (License: Personal Use)

This standardized radiation hazard symbol features a bright yellow equilateral triangle with a thick black border, enclosing a black trefoil (three-bladed) design centered on a small circle. Adopted internationally by the IAEA and ISO, it signifies the presence of radioactive material or ionizing radiation sources that pose health risks if unshielded or mishandled.

Used on containers, doors, equipment, and signage in nuclear power plants, medical radiology departments, research labs, and hazardous material transport. Matches user intent for safety education, regulatory compliance, or hazard identification.