An official website of the United States government
Here's how you know
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Distribution of mean individual neutron doses (positive values) and number of workers with positive neutron doses in a selected facility in France (panel A), the UK (panel B), and the U.S. (panel c).