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ANS > Public Information > Resources > Special Topics > Chernobyl
On April 26, 1986, an accident occurred at the Chernobyl Nuclear Power Plant near Kiev in the Ukrainian Republic of the Former Soviet Union.  With the release of radiation, human casualties, physical damage to the plant and contamination of the surrounding environment, Chernobyl marked the worst accident in the history of nuclear power production.  It also demonstrated the importance of strong safety culture, independent regulators, and well designed plants, reinforcing nuclear safety efforts for the years to come.

According to the World Health Organization, the accident led to the fatalities of thirty-six workers.  More than 200,000 people in the Ukraine and Belarus Republics were evacuated and resettled as a result of significant fallout from the Chernobyl accident.  Land was contaminated in the Ukraine Republic, Belarus Republic, Russia, Europe, and Scandinavia.  Recovery efforts continue to be managed by the international community.

The world nuclear community quickly determined that an accident similar to Chernobyl - 4 could not happen in any other type of plant, due to higher design and operational standards outside the Soviet Union.  The remaining Chernobyl type reactors throughout the former Soviet bloc were modified for safe operation.  Some were shut down.  Many are still in operation.  Health and Environmental studies are still going on, and will continue into the foreseeable future.

The World Association of Nuclear Operators (WANO) to promote cooperation, was founded as a result of this tragedy.

To learn more, click the links below.
Chernobyl in Brief

What Happened - In Detail

Health Studies of Radiological Impact

Chernobyl Today and in the Future

Chernobyl Myths

Frequently Asked Questions

Resources
ANS References
Chernobyl Forum - 20 year findings
ANS Position Statement #24, "International Nuclear Power Reactor Safety Standards"
ANS Position Statement #65, "Realism in the Assessment of Nuclear Technologies"
Web Resources
2006 National Council on Radiation Protection Meeting "Chernobyl at Twenty"
International Atomic Energy Agency
United Nations Scientific Committee on the Effects of Atomic Radiation, UNSCEAR 2000 Report to the General Assembly "Sources and Effects of Ionizing Radiation"
World Health Organization
World Nuclear Association
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