Iodine 131 measured at purification center in Shizuoka and increasing

Iodine 131 is measured from dired sludge and incineration ash at purification center of Shizuoka prefecture.

About incineration ash, the iodine 131 level is increasing from 11/11/2011.

 

Incineration ash
Nakashima purification center  Bq/kg
Sample taken Iodine Cesium
3/1/2012 107 317
2/2/2012 80 159
1/5/2012 18 209
12/9/2011 59 260
11/11/2011 19 273
10/14/2011 ND 352
9/15/2011 ND 411
8/18/2011 ND 304
7/21/2011 ND 439
6/20/2011 ND 731
5/27/2011 ND 631
Dried sludge
Johoku purification center
Sample taken Iodine Cesium
3/1/2012 18 ND
2/2/2012 140 ND
1/5/2012 58 ND
12/9/2011 190 ND
11/11/2011 26 ND
10/14/2011 114 ND
9/15/2011 ND ND
8/22/2011 85 ND
7/21/2011 50 ND
6/20/2011 148 36.7
5/27/2011 12.2 16.2
Nakajima purification center
Sample taken Iodine Cesium
3/1/2012 72 ND
2/2/2012 50 ND
1/5/2012 ND ND
12/9/2011 51 ND
11/11/2011 28 ND
10/14/2011 32 ND
9/15/2011 ND ND
8/22/2011 70 ND
7/21/2011 33 87
6/20/2011 26.3 ND
6/13/2011 29.0 22.1

About this site

This website updates the latest news about the Fukushima nuclear plant and also archives the past news from 2011. Because it's always updated and added live, articles, categories and the tags are not necessarily fitted in the latest format.
I am the writer of this website. About page remains in 2014. This is because my memory about 311 was clearer than now, 2023, and I think it can have a historical value. Now I'm living in Romania with 3 cats as an independent data scientist.
Actually, nothing has progressed in the plant since 2011. We still don't even know what is going on inside. They must keep cooling the crippled reactors by water, but additionally groundwater keeps flowing into the reactor buildings from the broken parts. This is why highly contaminated water is always produced more than it can circulate. Tepco is planning to officially discharge this water to the Pacific but Tritium is still remaining in it. They dilute this with seawater so that it is legally safe, but scientifically the same amount of radioactive tritium is contained. They say it is safe to discharge, but none of them have drunk it.

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