Criticality Event

An uncontrolled nuclear chain reaction with the potential for causing a nuclear explosion
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The criticality event tends to scatter the fissile material and fission products in the area of the accident, and the dispersal of the fissile material normally prevents a prolonged chain reaction.
seems to have resulted from human error and serious breaches of safety principles and standards in combination with shortcomings of design, which together led to a criticality event," the report published on its Web site said.
Safety Culture highlights examples ranging from the loss of the Titanic, to Bhopal, and the Tokaimura criticality event.
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