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Time Line - On This Walking Day
April 3rd,1957
Nuclear weapons detonation.

On April 3rd, 1957 the former Soviet Union performed a nuclear bomb test. The test site was Siberia. The delivery method or operation type was atmospheric.


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Time Line - On This Walking Day
April 3rd,1960
Melting of fuel elements.

Melting of fuel elements cause a release of radioactivity at the Test Reactor at Waltz Mills (USA)


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Time Line - On This Walking Day
April 3rd,1970
Strontium 90 in the soil.

Shippingport, Pennsylvania, USA - Strontium 90 in the soil at the end of the site of the Shippingport nuclear reactor (claimed to be the safest in the U.S.) reached a level 100 times greater than the national average. The radioactivity in milk was 4 times greater. (N. Thieberger Op.Cit.p.5

Information provided by  " Nuclearfiles.org


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Time Line - On This Walking Day
April 3rd,1979
Explosion in fuel reprocessing laboratory

Japan - Explosion in fuel reprocessing laboratory. (W.I.S.E. Op.Cit)

Information provided by  " Nuclearfiles.org


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