Chernobyl disaster that were contributing factors that led to the incident. These contributing factors include: Both views were heavily lobbied by different groups, including the reactor's designers, power plant personnel, and the Soviet and Ukrainian governments. According to the IAEA's 1986 analysis, the main cause of the accident was the operators' actions. But according to the IAEA's 1993 revised analysis the main cause was the reactor's design. One reason there were such contradictory viewpoints and so much debate about the causes of the Chernobyl accident was that the primary data covering the disaster, as registered by the instruments and sensors, were not
Chernobyl disaster It is difficult to establish the total economic cost of the disaster. According to Mikhail Gorbachev, the Soviet Union spent 18 billion rubles (the equivalent of US$18 billion at that time) on containment and decontamination, virtually bankrupting itself. In Belarus the total cost over 30 years is estimated at US$235 billion (in 2005 dollars). Ongoing costs are well known; in their 2003–2005 report, The Chernobyl Forum stated that between 5% and 7% of government spending in Ukraine is still related to Chernobyl, while in Belarus over $13 billion is thought to have been spent between 1991 and 2003, with 22%