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Radioactive Symbol - Universal Ionizing Radiation Warning Sign #3770124 (License: Personal Use)

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Magenta radioactive trefoil symbol on black background, indicating ionizing radiation hazard.

About this clipart

This image shows the standard ISO 361 radiation warning symbol: a central circle with three equidistant magenta blades (trefoil) on a black background. Designed in 1946 at the University of California, Berkeley, it is mandated by IAEA and OSHA for labeling radioactive materials, equipment, and areas. The high-contrast magenta ensures visibility and immediate recognition under varied lighting conditions.
Used on nuclear facilities, medical radiology departments, transport containers for radioactive isotopes, and safety signage. Matches user intent for educational, regulatory compliance, or hazard communication purposes.
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Related Cliparts: The iconic magenta-on-black radioactive symbol warns of ionizing radiation hazards. Learn its history, design standards, and safety applications worldwide.

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