Radiation Hazard Warning Sign - Official ISO Symbol #1289681 (License: Personal Use)

This high-contrast yellow and black sign displays the international radiation trefoil symbol-a central circle with three blades-enclosed in an equilateral triangle, signaling the presence of ionizing radiation. Below the symbol, the word “RADIATION” is printed in bold, uppercase letters for immediate recognition. The design adheres to ISO 361 and ANSI Z535 standards for hazard signage.

Used in nuclear facilities, medical imaging labs, research centers, and transport containers to warn personnel and the public of radioactive materials or radiation fields; matches user intent for safety guidance, regulatory compliance, or educational content.