Radiation Hazard Warning Sign - Official Symbol & Safety Information #228538 (License: Personal Use)

This standardized radiation hazard sign features a bold black trefoil (three-blade) symbol centered on a bright yellow equilateral triangle with a black border, designed for high visibility and immediate recognition. It complies with ISO 361 and IAEA safety standards and is mandated in nuclear facilities, medical radiology labs, and transport of radioactive materials. The design ensures rapid comprehension across language barriers to prevent accidental exposure.

Used on doors, containers, equipment, and transport vehicles where radioactive sources or ionizing radiation are present; matches user intent for safety compliance, hazard identification, emergency response training, and regulatory documentation.