Dirty bombs

Radiological bombs
Radiological dispersal devices

Work cat.: Dirty bomb : terrorism's low-tech, high-impact weapon [videorecording] 2003 (A NOVA television program)
U.S. Cong. Senate. Comm. on Foreign Relations. Dirty bombs and basement nukes, 2002.
U.S. Nuclear Regulatory Commission WWW site, July 14, 2003: Fact sheet on dirty bombs ("... the principal type of dirty bomb, or Radiological Dispersal Device (RDD), combines a conventional explosive, such as dynamite, with radioactive material ... A dirty bomb is in no way similar to a nuclear weapon")
Health Physics Society Homeland Security Comm. WWW site, October 24, 2003 Weapons of mass destruction radiological events fact sheet ("A 'Dirty Bomb' is a slang term, originated by the news media, and given to an explosive package wrapped with radioactive material. The correct term is a Radiological Dispersal Device")
Kushner, H.K. Encyclopedia of terrorism, c2003: p. 264 ("A radiological weapon is an improvised device designed to spread nuclear material over a wide area ... Such devices, referred to as 'dirty bombs,' would not require a great deal of technical sophistication")
Terrorist weapons web site, Nov. 13, 2003 (Radiological bombs ("dirty" bombs))