Contents
Fukushima Radiation and Fallout Projections


29 May - 4 June 2011




Japan

 

 

 

 

 

 


 

 


[Editor's Note: Is this another case compared to the prior picture where projected contaminated areas have been edited out?]

 



North America



Australia, Japan, and Other Asian Countries

2011-06-03 (for this date) Consequences of the Fukushima Daiichi Accident in Japan: A substantial and long-lasting contamination (pdf), by Bruno Chareyron, nuclear physics engineer, Head of the CRIIRAD laboratory

"The CRIIRAD institute went on a mission in Japan from May 24th to June 3rd, 2011. The present document gives account of the findings from the first analysis results. The radioactive cesium deposits on the soils have been of great magnitude. They generate, and will continue to do so for a long time to come, a flux of gamma radiation causing the irradiation of populations in widespread areas. Due to this external exposure and in the absence of protective measures, several hundreds of thousands of people will receive radiation doses far above the limit of 1 mSv/year. Must be added, the internal exposure (due to ingestion of contaminated foods) and doses received since March 12th that were extremely elevated
during the first week from the level of contamination and the lack of protective measures...

1 / Scope of the contamination at over 60 km from the NPP : the case of Fukushima City

External irradiation leads to an unacceptable risk level

Survey field measurements and soil analyses carried out by the CRIIRAD laboratory in the city of Fukushima, located 60-65 km from the nuclear power plant, indicate that the cesium 134 and 137 radioactive fallouts are several hundreds of thousands of Bq/m2 : 490 000 Bq/m2 on the lawn of the Moriai primary school and over 700 000 Bq/m2 in the Watari district.

When decaying, cesium atoms emit very penetrating gamma radiations. They can travel over 60 meters in the airstream. This is what allowed the Americans to plot charts on the fallouts using heliported probes. These radiations can also penetrate through walls and windows and irradiate people within their homes.

At the end of May 2011, the dose rates collected by the CRIIRAD in Fukushima city, at 1 meter above ground in the outside, was typically over 10 times, even over 20 times above normal (more than 1 and 2 µSv/h versus a normal level of 0,1 µSv/h). The irradiation is still measurable within buildings floors. Measurements carried out on the 4th floor of a building showed a radiation excess that increases when getting close to the windows (even when shut). Inside a home located in the Watari district, the CRIIRAD measured a dose rate over 3 times above normal on the tatami of the children’s bedroom (0,38 µSv/h) and 6 times over at 1 meter above ground in the living room (0,6 µSv/h). In front of the house, measurement was 2,2 µSv/h in the garden and 2,9 µSv/h on the lawn of a nearby school (measurement taken at 1 meter above ground).


This irradiation will only decay very slowly. This is due principally to the cesium 137 and 134 that have long physical periods (30 years and 2 years respectively). This means that the cesium 137 radioactivity will be divided by half in 30 years. We can estimate that within the next twelve months, the cesium 134 radioactivity will decline by only 30 % and the cesium 137 by 3%.


If nothing is done, the Fukushima city inhabitants could be exposed to an external irradiation of several milliSieverts within the next twelve months. The dose, above which cancer lethal risk is considered as inacceptable by the ICRP (International Commission for Radiological Protection) is 1 milliSievert per annum, which corresponds to 5 deaths for 100 000 persons exposed to this effective dose..."


2011-05-31
Fukushima meltdown – Caldicott says Japan may become uninhabitable – media silent, by David Donovan, independentaustralia.net.

...MEDIA SILENCE

Fukushima may end up being one of the worst disaster the world has seen, we are yet to know its full impact as Japanese authorities struggle to contain the fallout. Yet, if you weren’t reading Independent Australia, listening closely to a small handful of other Australian media sources, such as Crikey, or Mark Willacy on ABC radio, or reading the international press, it is likely that you would have missed the meltdown and would have no comprehension about the full scale of the disaster. In other words, the vast majority of Australians who get their news from newspapers or commercial television or radio have no idea about the severity of the Fukushima nuclear disaster, or the danger to human health posed by this ongoing crisis.

Something similar is going on in Japan and the US. In Japan, the nuclear industry has been actively promoted by the Government since inception in the interests of Japanese nuclear security. The nuclear regulator is almost entirely made up for former Tepco employees and is described as being almost an arm of the power company. Criticism of nuclear power has long been strongly suppressed in Japan.

Dr Norris again:

[Japanese journalist] Uesugi also notes that at TEPCO press conferences, which are now being held at company headquarters, foreign correspondents and Japanese freelancers regularly ask probing questions while mainstream journalists simply record and report company statements reiterating that the situation is basically under control and there is nothing to worry about. One reason for this, Uesugi suggests, is that TEPCO, a giant media sponsor, has an annual 20 billion yen advertising budget. “The media keeps defending the information from TEPCO!” “The Japanese media today is no different from the wartime propaganda media that kept repeating to the very end that ‘Japan is winning the war against America,’” Uesugi exclaimed.

Clearly, there is a concerted effort by Japanese authorities to downplay the significance of the disaster to ensure the future sustainability of the nuclear power industry. But what about the similar silence in the US?

Dr Norris says the issue should be front page news everywhere:

“Why is this not on the front page of every single newspaper in the world? Why are official agencies not measuring from many places around the world and reporting on what is going on in terms of contamination every single day since this disaster happened? Radioactivity has been being released now for almost two full months! Even small amounts when released continuously, and in fact especially continuous exposure to small amounts of radioactivity, can cause all kinds of increases in cancers.”

In the US and Japan, where the nuclear industry is a powerful lobby group, perhaps it is understandable that the nuclear industry have managed to suppress information about this devastating crisis. But here in Australia, where we have no nuclear power industry? The reality is that Australia, with its huge natural reserves of uranium and strong mining industry, is deeply entrenched in the nuclear cabal. Independent Australia has reported before about plans for the world’s nuclear waste to be shipped to Australia and the fact this agreement with the US was actively suppressed by the Australian media, perhaps because some media proprietors have strong vested interests in the nuclear industry. It seems that Australia’s overly concentrated media industry is not only a crisis for our democracy, but can potentially even threaten our children’s health.

Dr Caldicott said that the media here are failing in their duty to the people of Australia.

“The media need to be brought down to Earth,” said Dr Caldicott.

“President Jefferson said an informed democracy will make reasonable decisions.”

“The media are failing to inform, so the people can’t make reasonable decisions.”

 

 


 

North America

2011-06-02 Is Your Lawn Radioactive Too? N95 Dust Mask Test (video) by potrblog
"I mowed the lawn on Memorial Day, and wore the N95 dust mask shown in the video. After roughly 2 hours in the backyard mowing, the Geiger counter readings of the mask showed radioactive contamination as high as 0.03 mR/hr. Normally I would call that 3X background, but background levels were a little more variable the day of the test making the reading less precise. To be conservative, the contamination readings from the mask varied from 1x to 2x background radiation. The grass was dry to the touch in the yard, but slightly damp in the bag. No visible dirt or dust was kicked up from the mowing. I have performed the same test a few times over the last several weeks, and there has been indications of radioactive contamination every time."
2011-05-30 Fukushima: Three million of millions of potential lethal doses Thin particles from Fukushima are coming towards us. There is no need to go over there. (pdf) by carotradiations.fr


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