Mandatory annual training for personnel who access radiation posted areas (non-radiation workers). Radioactive material and x-ray machines are safely used in a wide variety of research programs at the ...

Irvine officials gathered Tuesday to confront a concern that has lingered on the county’s doorstep for more than a decade: What to do with the 3.6 million pounds of radioactive waste stored at the ...

Children who lived near a St. Louis creek polluted with radioactive atomic bomb waste from the 1940s through the 1960s were more likely to be diagnosed with cancer over their lifetimes than children ...