Radiation Hazard Symbol - Universal Warning Sign for Ionizing Radiation #1525045 (License: Personal Use)

This high-contrast symbol features a bright yellow equilateral triangle with a black trefoil (three-bladed propeller-like shape) centered over a black circle, set against a black background. Designed by the U.S. AEC in 1946 and standardized internationally, it conveys immediate danger from radioactive materials or ionizing radiation sources. Its simplicity ensures recognition across languages and cultures, especially in emergency or controlled environments.

Used on signage, equipment, containers, and documentation in nuclear power plants, radiology departments, research labs, and transport packaging to signal radiation hazards and guide safety protocols. Matches user intent for hazard identification, regulatory compliance, or educational reference.