http://www.fda.gov/cdrh/overview2.html
Center for Devices and Radiological Health, U.S. Food and Drug Administration
An outline of the mission and responsibilities of the Center for Devices and Radiological Health. Some responsibility include eliminating unnecessary human exposure to man-made radiation from medical, occupational and consumer products. Radiation-emitting products regulated by FDA include microwave ovens, video display terminals, and medical ultrasound and x-ray machines.