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​Fukushima radiation levels underestimated by five times - TEPCO

Published time: February 08, 2014 07:03
Edited time: February 10, 2014 07:33
AFP Photo / IAEA

AFP Photo / IAEA

TEPCO has revised the readings on the radioactivity levels at the Fukushima No. 1 nuclear plant well to 5 million becquerels of strontium per liter – both a record, and nearly five times higher than the original reading of 900,000 becquerels per liter.

Strontium-90 is a radioactive isotope of strontium produced by nuclear fission with a half-life of 28.8 years. The legal standard for strontium emissions is 30 becquerels per liter. Exposure to strontium-90 can cause bone cancer, cancer of nearby tissues, and leukemia.

Tokyo Electric Power Co. originally said that the said 900,000 becquerels of beta-ray sources per liter, including strontium - were measured in the water sampled on July 5 last year.

However, the company noted on Friday that the previous radioactivity levels had been wrong, meaning that it was also likely reading taken from the other wells at the disaster-struck plant prior to September were also likely to have been inaccurate, the Asahi Shimbum newspaper reported.

The Japanese company has already apologized for the failures, which they said were a result of the malfunctioning of measuring equipment.

TEPCO did not mention the radioactivity levels of other samples of both groundwater and seawater taken from between June and November last year – which totaled some 140.

However, the erroneous readings only pertain to the radiation levels measured in water – readings taken to measure the radiation levels in air or soil are likely to have been accurate.

In the basement of the station, the drainage system and special tanks have accumulated more than 360,000 tons of radioactive water. The leakage of radioactive water has been an ongoing problem in the wake of the accident at the Fukushima-1 nuclear power plant.

TEPCO also said on Thursday that 600 liters of contaminated water – which had 2,800 becquerels of beta-ray sources per liter in it, leaked from piping leading to a tank at the Fukushima nuclear plant.

A record high level of beta rays released from radioactive strontium-90 was detected at the crippled Fukushima nuclear power plant beneath the No. 2 reactor's well facing the ocean, according to the facility’s operator who released news of the measurements mid-January.

TEPCO measured the amount of beta ray-emitting radioactivity at more than 2.7 million becquerels per liter, Fukushima’s operator said as reported in the Japanese media.

In March 2011, an earthquake triggered a tsunami that hit Japan’s coast, damaging the Fukushima Daiichi nuclear power plant. The catastrophe caused the meltdown of three nuclear reactors at the facility, leading to the worst nuclear disaster since Chernobyl.

The water used to cool the reactors has been leaking into the soil and contaminating the ground water ever since. Some of the radioactive water has been escaping into the Pacific Ocean.

Comments (53)

 

Tatiana A Klimenko Kostanian 23.02.2014 16:53

In California on the West Coast, are The American people's - especially the disabled,elderly especially where patients & Doctors Are NOT being shared any news on this ongoing catastrophe and ongoing updates?
I am a volunteer citizen sitting on our Mayors Disability Counsel & nothing has been shared let alone to our Citizens. I am a patient in kidney dialysis. We need to have clean water for dialysis. I wonder of this hellish disaster who in our cities, and towns are being warned, etc. Was this planned so well and why the American People's really have no press ? Please share.

 

Horus TwoHawks 11.02.2014 03:39

Would not let me post the link...
Tepco apologized not only for omission of Str, but also the others in the list, but did so separately. Hence why many reports of 5x underreported and some wrote 10x.
search simplyInfo.org for "5 MILLION bq/liter Strontium 90 Found In Well At Fukushima Daiichi" Feb 6th

 

Horus TwoHawks 11.02.2014 03:35

10x underreported, not 5x...
Strontium 90: 5,000,000 bq/liter - noted in this article
Tritium: 430,000 bq/liter - not noted here
All beta: 900,000 bq/liter -org reported
Cesium 134: 11,000 bq/liter - not noted here
Cesium 137: 22,000 bq/liter - not noted here
Ru106: 106 bq/liter - not noted here
MN64: 62 bq/liter - not noted here
Co6 3.1 bq/liter - not noted here
S 250 bq/liter - not noted here
Couteousy simplyInfo.org

View all comments (53)
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