information about Fukushima published in English in Japanese media info publiée en anglais dans la presse japonaise
8 Avril 2016
April 8, 2016
http://www3.nhk.or.jp/nhkworld/en/news/20160408_03/
The operator of the crippled Fukushima Daiichi nuclear plant says the level of radioactivity near an underground wastewater storage pool at the plant is more than 100 times earlier readings.
Tokyo Electric Power Company says the pools were built 3 years ago to store highly radioactive wastewater produced within the crippled plant. But all of them soon went out of use due to repeated leaks of contaminated water.
The utility pumped most of the water out of them, but has been checking radioactivity levels of groundwater near the pools.
On Wednesday, equipment detected 8,100 becquerels of beta-ray-emitting radioactive substances per liter of water. On Thursday, it went up to 9,300 becquerels.
A week ago, the level was only 87 becquerels.
TEPCO says it doesn't know why the sharp rise took place. It says some highly radioactive water remains in the pool, but it is isolated with waterproof measures.
TEPCO says it will continue to analyze groundwater samples around the pool, and also compare them with data on the contaminated water left in part of the tank.
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