This category is for sites concerned with the criticality accident that happened on September 30, 1999 in the Tokaimura nuclear fuel processing plant, Japan, when a combination of human errors and breaches of the approved safety guidelines resulted in a limited uncontrolled nuclear chain reaction, or nuclear criticality, triggering the emission of radiation and the release of radioactive material into the air in the facility.

Related categories 1

Chronology and Press Reports of the Tokaimura Criticality
Chronological analysis and survey by the Institute for Science and International Security. Includes links to news reports.
Tokaimura Nuclear Accident - Its Causes, Health and Environmental Effects
Research conducted by freshman seminar students about the causes, health and environmental effects of the accident.
Accident Makes Japan Re-Examine A-Plants
Collection of articles on the accident from the New York Times. Examines the effect of the accident on public opinion and governmental policy. (January 13, 2000)

Other languages 1

Last update:
March 11, 2015 at 6:15:09 UTC
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