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Analysis of the 1957--1958 Soviet nuclear accident
Science (New York, N.Y.)
|July 18, 1980
Summary
An extensive radioactive contamination zone in Cheliabinsk Province, resulting from a 1957-58 nuclear accident, has been identified. This event involved fission waste release and led to population resettlement, highlighting the need for further information.
Area of Science:
- Radioecology
- Environmental Science
- Nuclear Safety
Background:
- A significant environmental contamination zone in Cheliabinsk Province, Soviet Union, is linked to a 1957-58 accident.
- The accident involved the atmospheric release of fission wastes, creating a contamination zone estimated to contain 10^5 to 10^6 curies of strontium-90.
Purpose of the Study:
- To confirm the presence and extent of the environmental contamination zone.
- To analyze the causes and consequences of the 1957-58 nuclear accident.
- To assess the impact on human population and the need for international nuclear safety knowledge.
Main Methods:
- Analysis of Soviet radioecology literature.
- Estimation of strontium-90 contamination levels.
- Assessment of potential causes including waste storage and isotope separation techniques.
Main Results:
- Confirmation of an extensive radioactive contamination zone.
- Estimated strontium-90 inventory of 10^5 to 10^6 curies.
- Evidence suggests population resettlement from a 100-1000 square kilometer area.
Conclusions:
- The accident's exact cause remains unconfirmed, pending further Soviet information.
- Radioactive contamination necessitated significant human population resettlement.
- Understanding the accident's full scope and Soviet corrective measures is crucial for the global nuclear community.