Individual involvement in the Chernobyl disaster Individual involvement in the Chernobyl disaster The Chernobyl disaster, () "Chornobylʹsʹka katastrofa," was a nuclear accident that occurred on 26 April 1986 at the Chernobyl Nuclear Power Plant in the Ukrainian Soviet Socialist Republic (then part of the Soviet Union), now in Ukraine. The following is the individual involvement in the accident. Most of the information here is based on Grigoriy Medvedev's work. In the night from 25 to 26 April, in the two power plant complexes, there were 160 people on duty, including technicians and maintenance personnel of the various departments. Three hundred more workers were present at the
Chernobyl disaster 28 April workers at the Forsmark Nuclear Power Plant (approximately from the Chernobyl site) were found to have radioactive particles on their clothes. It was Sweden's search for the source of radioactivity, after they had determined there was no leak at the Swedish plant, that at noon on 28 April led to the first hint of a serious nuclear problem in the western Soviet Union. Hence the evacuation of Pripyat on 27 April 36 hours after the initial explosions, was silently completed before the disaster became known outside the Soviet Union. The rise in radiation levels had at that time