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
Nuclear safety in the United States that slow the pace and raise the cost of cleanup. The Hanford site represents two-thirds of the nation's high-level radioactive waste by volume. Today, Hanford is the most contaminated nuclear site in the United States and is the focus of the nation's largest environmental cleanup. The SL-1, or Stationary Low-Power Reactor Number One, was a United States Army experimental nuclear power reactor which underwent a steam explosion and meltdown on January 3, 1961, killing its three operators. The direct cause was the improper withdrawal of the central control rod, responsible for absorbing neutrons in the reactor core. The event is