Fukushima Disaster Released Uranium, Unexpected Particles

gate of difficult to return zone march 11 2014.png The gate of “Difficult-to-return zone” in Fukushima on March 11, 2014

The Fukushima Daiichi nuclear disaster was believed to have only resulted in the release of gases. But seven years after one of history’s few radioactive disasters, scientists have found that uranium and other solid microparticles were also released into the surrounding parts of Japan.

The particles are a fraction of the width of a human hair – which means they could be inhaled, according to the study in the journal Environmental Science Technology.

“Our research strongly suggests there is a need for further detailed investigation on Fukushima fuel debris, inside, and potentially outside the nuclear exclusion zone,” said Gareth Law, one of the authors, of the University of Manchester.

The debris, which included uranium, caesium and technetium, was discovered in the nuclear exclusion zone, several kilometers from the epicenter of the disaster at the Fukushima plant.

Two locations were paddy oils, and an abandoned aquaculture center.

Uranium itself has a half-life of 4.5 billion years.

The previously acknowledged radioactive materials were cesium and iodine, both taking the form of volatile gases. Other gases were released, as well.

But the new information about particles potentially means a longer, bigger cleanup, according to the latest study, led by Satoshi Utsunomiya of Kyushu University.

“Having better knowledge of the released microparticles is also vitally important as it provides much needed data on the status of the melted nuclear fuels in the damaged reactors,” said Utsunomiya. “This will provide extremely useful information for (The Tokyo Electric Power Company’s) decommissioning strategy.”

The March 2011 Fukushima disaster was triggered by a massive 9.0-scale earthquake, then a 15-foot tsunami. The Daiichi plant lost power, which prevented normal cooling operations – and caused the meltdown of all three cores at the plant within a few days. The removal of the melted fuel – which could take decades – is not going to begin until 2022.

Eighteen thousand people were killed throughout the whole incident, and 100,000 were displaced. The disaster has widely been considered the worst nuclear disaster since the 1986 meltdown at Chernobyl in the Ukraine.

Initial reports indicated that much of the contamination was contained in the aftermath of the 2011 disaster. But coinciding with the fifth anniversary of the meltdown, a report indicated that 10,000 additional cancer cases would be expected in the region of Japan that is most affected. Also in 2015, an American scientist contended that the Fukushima site was uncontrolled, and was leaking radioactive cesium and strontium in the Pacific Ocean. Last year, in advance of the sixth anniversary, the utilities charged with the cleanup announced that decommission of some of the fuel at one of the three damaged reactors had to be delayed, due to increased radiation.

https://www.laboratoryequipment.com/news/2018/03/fukushima-disaster-released-uranium-unexpected-particles-0

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How the viewing public was ‘protected’ from seeing what the Hiroshima and Nagasaki nuclear bombing did to people

Hiroshima and Nagasaki on the cutting room floor https://thebulletin.org/2019/08/hiroshima-and-nagasaki-on-the-cutting-room-floor/ By Thomas Gaulkin, August 5, 2019 Seventy-four years after nuclear weapons were first and last used in war, it can be challenging to conceive of the devastation they cause. But even in the immediate months after the atomic bombs were dropped on Hiroshima and Nagasaki in August 1945, news accounts offered a view of ingenuity and destruction that often elided the human cost.

The newsreels below [on original] were mainly screened to audiences in 1946 and 1947 and detail the destructive force of the explosions almost entirely through excited accounts of the structural damage to the cities. There’s occasional mention of the lost city populations and the scientific knowledge to be gained from studying their casualties, but hardly any description of what people actually suffered, let alone personal accounts. It’s instructive to look at and listen to these reports today, and contemplate what is missing.

The 12-minute reel below was produced by the US War Department in 1946. “Tale of Two Cities” makes selective use of film that was confiscated from a Japanese filmmaker, Akira Iwasaki—though you wouldn’t know that from the narration, which boasts that “army cameramen have found and filmed pictorial evidence that tells in twisted steel and stone the effect of death-dealing atomic power.” (Some twenty years later, historian Eric Barnouw obtained more of Iwasaki’s footage and produced a remarkably different narrative that documented the horrible physical impact of the attacks on Hiroshima’s citizens.)

Contrasted with the triumphant tone of the news/propaganda made for 1940s audiences, silence changes everything. Made public only decades later, the two films below —one beginning with footage of wounded victims, the other, a full-color glimpse of survivors picking up the pieces of the ruined city—report what those above do not, without a single word.

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