arclight2011part2 posted: " British Scientist discovers the cause of cancer in the Hiroshima Black Rain survivors Massive errors in the basis of legal controls on radiation exposures In a peer-reviewed paper published by the respectable journal Cancer Investigations ,"
British Scientist discovers the cause of cancer in the Hiroshima Black Rain survivors
Massive errors in the basis of legal controls on radiation exposures
In a peer-reviewed paper published by the respectable journal Cancer Investigations ,British Scientist Dr Christopher Busby reveals the results of his investigative research into the Hiroshima A-Bomb Black Rain, torrential rain that fell on Hiroshima after the detonation of the US atomic bomb.
The issue of cancer risks in people who lived in the area of the back rain was headlined recently when the Japanese government lost a court case taken by Hibakusha groups who believed that their cancers were a result of the A-Bomb, but who lived in the black rain areas too far from the detonation to have received any external radiation dose. One problem for these people is that there has been no scientific explanation. The black rain was believed to be insufficiently radioactive to cause cancer.
The report: "The Hiroshima A-Bomb black rain—a resolution of the enigma" provides evidence from an obscure US restricted report from 1976, declassified in 2014, that the 55kg of unfissioned material of the bomb, Enriched Uranium, contained vary large amounts of the Uranium isotope U234 which formed the condensation nuclei for the black rain and contaminated Hiroshima's water and air for many years.
The calculated exposures from the long-lived Uranium particles due to inhalation and ingestion by those living in Hiroshima after the bomb were 10,000 times greater than exposures to the isotope Caesium-137. U-234, which is lighter than U235 (the fissile component) is extracted into the Enriched Uranium during the separation process.
Dr Busby said: "It is astonishing that no one has drawn attention to the presence of large amounts of this dangerous long lived alpha emitter on the test sites. All the calculations that have been made of exposures, from Hiroshima to the Marshall Islands tests, to Christmas Island, will have to be re-assessed."
He added: "Of course, this also means that the Life Span Study basis of the current radiation risk models is worthless. The true risks from internal exposures to Uranium, as in Depleted Uranium weapons, are more than a hundred times or more than current legal limits are based on. The implications of this discovery are clearly massive and far-reaching for all things involving nuclear."
Dr Busby (aged 76) is an international expert on radiation and health and served on two British Government committees. He represented Nuclear Test Veterans in the Royal Courts of Justice in 2016. He relocated to Latvia in 2020 after Brexit where he continues to carry out research on internal radiation and health.
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