Radiation Dose Chart

The author of this image has donated it to the public domain. The source
of this radiation chart is:  https://xkcd.com/radiation/
The author has included the following text on his page:

I waive all copyright to this chart and place it in the public domain, so you are free to reuse it anywhere with no permission necessary. (However, keep in mind that I am not a radiation expert, and this chart is intended for general public informational use only.)