The Kyshtym Disaster
On September 29, 1957, near the Russian town of Kyshtym a major radiological contamination accident happened, which is referred to as the Kyshtym disaster. The failure of the cooling system for a tank storing tens of thousands of tons of dissolved nuclear waste resulted in a chemical (non-nuclear) explosion having an energy estimated at about 75 tons of TNT. The Soviet Union did not release news of the accident and denied it…
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