Tag "recriticality"
[Column] What is happening in reactor2 and what can be caused ?
A thermometer of RPV in reactor2 keeps indicating the increasing temperature. Tepco used assert the thermometer was disordered every time they saw it indicate increasing temperature. However this time, another
[Column] 3 facts to support the hypothesis that fractured nuclear fuel is in individual stages of nuclear reaction
This is not a widely known fact but 12/17/2012 was a historical day of Fukushima plant. In the evening of that day, the RPV temperature want higher than the temperature
Fukushima coolant water comes directly to underground water ? Boron detected from underground water in Iwaki
On 10/25/2012, Fukushima prefectural board of education announced 6.9 mg/L of boron was detected from the underground water in Iwaki city Fukushima. The safety limit is 1 mg/L. Boric acid
Possible recriticality in reactor2
Weekly Asahi reported they obtained the email leaked from Tepco. It was sent from a staff of engineering devision to his coworker and a nuclear expert. It warned the
Iodine 131 was measured from SFP4
Last year, 4/12/2011, 2.2E+8 Bq/m3 of Iodine 131 was measured from the water of SFP4 to suggest the spent fuel had recriticality after 311. Cesium 134/137 were also measured, but
Tepco is going to inject boric acid
Following up this article ..Attention : Reactor 2 is still being heated On the press conference of 2/6/2012 PM, Tepco announced they are going to add 960 Kg of boric
Japanese government will stop measuring Iodine from tapwater
Following up this article .. Increasing leakage of Iodine 131 Ministry of Education, Culture, Sports, Science and Technology will quit measuring Iodine131 from tapwater after 4/1/2012. They have been measuring cesium
