Back to homepage

[Column] Donation info will be passed by personal contact instead of the public notice (Near future plan)

About two weeks ago, I received a shocking message on Facebook. The person was very upset. He said, “why did you remove me from your friend list ?”. He wrote

Contaminated water crisis

Tepco “It rains so heavily only once in ten years ” → (One month later) “Overflowed for too much rain”

On 9/16/2013, Tepco had to discharge the “rainwater” retained in the tank areas due to the Typhoon. (cf, Tepco discharged “rainwater” retained in 7 tank areas due to the Typhoon

Contaminated water crisis

JP Gov doubts the reliability of Tepco’s radiation measurement / Nuclear Regulatory Agency to send inspectors

Following up this article.. NRA “Tepco’s nuclide analysis may have a significant error” [URL]   On 9/30/2013, Nuclear Regulation Authority commented they are planning to send inspectors to Tepco’s radiation

Contaminated water crisis

Tritium density in groundwater keeps increasing in the East of 300m3 leakage tank/Heading for the groundwater bypass

According to Tepco, Tritium density of groundwater has been continuously increasing since they started the measurement last week. The location is between groundwater bypass wells and the tank that experienced

Domestic and global Environment

Cesium-134/137 densities in tap water are the same in Tokyo and Fukushima from this April to June

Related to this article.. Fallout level in Tokyo was the 3rd highest in Japan this August / 5.2 MBq/km2・month [URL]   According to Nuclear Regulation Authority, Cesium-134/137 concentrations in tap


There will be over 10% reserved capacity of electricity this winter even without nuclear power

Related to this article..[Electricity consumption] Utilization rate over 90% only for 11 days from this July to August without nuclear power [URL]   Tepco will have 10 ~ 12.7% of

Contaminated water crisis

Tepco “Transferred retained water to a backup tank before overflowing” → The backup tank overflowed

For the typhoon prevention, Tepco transferred the retained “rainwater” but the transferred tank overflowed. According to Tepco, they tried to transfer the water retained in the local dam of a


[Column] How should we take the data published by the government

Yesterday I reported about the fallout level in Tokyo. According to Japanese government, it was the third highest in Japan this August. When I post those scientific data, some people