Dirty Bomb
A dirty bomb or radiological dispersal device (RDD) is a speculative radiological weapon that combines radioactive material with conventional explosives. The purpose of the weapon is to contaminate the area around the dispersal agent/conventional explosion with radioactive material, serving primarily as an area denial device against civilians. It is however not to be confused with a nuclear explosion, such as a fission bomb, which by releasing nuclear energy produces blast effects far in excess of what is achievable by the use of conventional explosives.
Though a RDD would be designed to disperse radioactive material over a large area, a bomb that uses conventional explosives and produces a blast wave would be far more lethal to people than the hazard posed by radioactive material that may be mixed with the explosive. At levels created from probable sources, not enough radiation would be present to cause severe illness or death. A test explosion and subsequent calculations done by the United States Department of Energy found that assuming nothing is done to clean up the affected area and everyone stays in the affected area for one year, the radiation exposure would be "fairly high", but not fatal. Recent analysis of the nuclear fallout from the Chernobyl disaster confirms this, showing that the effect on many people in the surrounding area, although not those in close proximity, was almost negligible.
Since a dirty bomb is unlikely to cause many deaths by radiation exposure, many do not consider this to be a weapon of mass destruction. Its purpose would presumably be to create psychological, not physical, harm through ignorance, mass panic, and terror. For this reason dirty bombs are sometimes called "weapons of mass disruption". Additionally, containment and decontamination of thousands of victims, as well as decontamination of the affected area might require considerable time and expense, rendering areas partly unusable and causing economic damage. [more info ...]
Predicting Malicious Behavior: Tools and Techniques for Ensuring Global Security (Book by: Gary M. Jackson, Publisher: John Wiley & Sons, Pub. Date: June 19, 2012):
"A radiological terrorist weapon is basically synonymous with the term dirty bomb. First, a radiological weapon is NOT a nuclear bomb. Instead, it is the spread of radioactive material in the environment by means of conventional explosion. The victim, if fortunate enough to escape the blast effects, would likely exhibit radiation sickness and perhaps long-term cancer. Given explosion and dispersal in a densely populated area, the long-term effects for many could result from one dirty bomb."
A dirty bomb or radiological dispersal device (RDD) is a speculative radiological weapon that combines radioactive material with conventional explosives. The purpose of the weapon is to contaminate the area around the dispersal agent/conventional explosion with radioactive material, serving primarily as an area denial device against civilians. It is however not to be confused with a nuclear explosion, such as a fission bomb, which by releasing nuclear energy produces blast effects far in excess of what is achievable by the use of conventional explosives.
Though a RDD would be designed to disperse radioactive material over a large area, a bomb that uses conventional explosives and produces a blast wave would be far more lethal to people than the hazard posed by radioactive material that may be mixed with the explosive. At levels created from probable sources, not enough radiation would be present to cause severe illness or death. A test explosion and subsequent calculations done by the United States Department of Energy found that assuming nothing is done to clean up the affected area and everyone stays in the affected area for one year, the radiation exposure would be "fairly high", but not fatal. Recent analysis of the nuclear fallout from the Chernobyl disaster confirms this, showing that the effect on many people in the surrounding area, although not those in close proximity, was almost negligible.
Since a dirty bomb is unlikely to cause many deaths by radiation exposure, many do not consider this to be a weapon of mass destruction. Its purpose would presumably be to create psychological, not physical, harm through ignorance, mass panic, and terror. For this reason dirty bombs are sometimes called "weapons of mass disruption". Additionally, containment and decontamination of thousands of victims, as well as decontamination of the affected area might require considerable time and expense, rendering areas partly unusable and causing economic damage. [more info ...]
Predicting Malicious Behavior: Tools and Techniques for Ensuring Global Security (Book by: Gary M. Jackson, Publisher: John Wiley & Sons, Pub. Date: June 19, 2012):
"A radiological terrorist weapon is basically synonymous with the term dirty bomb. First, a radiological weapon is NOT a nuclear bomb. Instead, it is the spread of radioactive material in the environment by means of conventional explosion. The victim, if fortunate enough to escape the blast effects, would likely exhibit radiation sickness and perhaps long-term cancer. Given explosion and dispersal in a densely populated area, the long-term effects for many could result from one dirty bomb."
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