By: Brooke Kelly
APES
What was the Kyshtym Disaster?
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Kyshtym Disaster was a radiation contamintation
incident.
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This was a level 6 disaster on the “International
Nuclear Event Scale”.
Third most serious nuclear accident ever recorded
Where and When?
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Accord in the town of Ozyorsk, near Mayak plant
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September 29th, 1957
Nuclear Fuel Reproducing Plant in Russia
Why did the explosion accure?
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The cooling system in one of the tanks that was
containing 80 tons of liquid radioactive waste that
failed and was not repaired, the temperature
increased causing evaportation.
A chemical explosion was the result of the increased
temperature.
The Effect of the Explosion
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It released 20 Mci of radioactivity, contributing to
the pollution of the Techa River.
A radioactive cloud was formed, moving towards
the north east.
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The Effect of the Explosion
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The contamination created a long term effect on the
area within 800-20,000 square km.
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The current area is referred to as “East-Ural
Radioactive Trace”.
Evacuations
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Directly after the disaster 22 villages were exposed
to the radiation
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10,000 were evacuated
Many were immediately evacuated
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Aftermath
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The reasoning for the evacuation was not stated to
the public
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6,000 deaths occured because of the disaster
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200 deaths because of cancer
Aftermath
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10 days later the goverment decided to plow 515
acres of radioacitivy land, so they could restart their
agirculture use.
Currently Today
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In Ozyorsk, the radiation level is safe for the public
again but the “East-Ural Radioactive Trace” is still
contaminated.
Sources
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Agreenroad.blogspot.com/2012/03/ozyorskkyshtym-mayak-nuclear-waste.html
https://www.google.com/search?q=Kyshtym+Disast
er&source=lnms&tbm=isch&sa=X&ei=Ggf4UvqY
OdOksQSL8IDoBw&ve
https://www.google.com/search?q=Kyshtym+Disast
er&source=lnms&tbm=isch&sa=X&ei=Ggf4UvqY
OdOksQSL8IDoBw&ve