Radiation Hazard Sign

The Radiation Hazard signs identify radiation through symbols and/or hazard warnings.

The first thing that always and obviously scares people in the Exclusion Zone is the radiation, the presence of which is indicated by an ominous symbol meeting the traveler near the border of the forbidden territory.

Radiation Hazard Sign

An international danger label, indicating ionizing radiation, was first used in the radiation laboratory of the University of California at Berkeley. At that time, it was magenta on a blue background. A few years later, the International Organization for Standardization adopted the radiation hazard sign in its current form, black on a yellow background. The proportions of the drawing are also standardized. On February 19, 2007, the International Atomic Energy Agency (IAEA) and the International Organization for Standardization (ISO) adopted a new sign for radiation hazard. This is a red isosceles triangle with a wide black border; at the top is the previous sign of radiation danger; in the lower left corner, skull and crossbones; and in the lower right, there is a person running away. It is assumed that this less abstract interpretation should be more understandable to anyone who is not familiar with the standard symbol of ionizing radiation, and prompt him to leave the danger zone in a hurry.


This article was published in the book Interesting Chernobyl.
You could download this book in PDF file for free here.

© Sky Horse Publishing House (Kyiv) / Nahs Haus, 2019
Copying and publication of this article is possible only with the written permission of the publishing house.
Official website of the Awesome Heritage series: awesomeheritage.com

To continue publishing a series of articles about Ukraine, Kyiv and Chernobyl, we need your support!