We've made some changes to EPA.gov. If the information you are looking for is not here, you may be able to find it on the EPA Web Archive or the January 19, 2017 Web Snapshot.

Radiation Protection

Federal Guidance Report No. 4: Estimates and Evaluation of Fallout in the United States from Nuclear Weapons Testing Conducted Through 1962

This Federal Radiation Council report includes a full study and analysis of fallout expected in 1963 from nuclear testing that occurred in the past. This report covers fallout expected from Soviet and United States tests conducted through 1962.

You may need Adobe Reader to view files on this page. See EPA’s About PDF page to learn more.