Protecting public health and the environment by removing low-level radioactive contamination generated by activities of the Manhattan Engineer District and the Atomic Energy Commission (MED/AEC) during the development of atomic weapons in the St. Louis Region in the 1940s and 1950s.
For information about the progress of cleanup at these sites, please use the link shown to visit our "Newsletters" page. If you don't already have Adobe Acrobat Reader loaded on your computer, you will want to visit the "Links" page first where you can download free software to view documents posted on this web site in Portable Document Format (.pdf). Helpful background information for understanding the low-level radiological cleanup process is available through our "Background" page.