Tepco releases the data about radioactivity density (I-131, - TopicsExpress



          

Tepco releases the data about radioactivity density (I-131, Cs-134, Cs-137) of the seawater around Fukushima nuclear plant port on the daily basis. However, they miss the data several times a month. The reason is not announced. They miss the data in the format below, ・No Cs-134 data, no Cs-137 data ・No Cs-134 data but Cs-137 Strangely, they never miss the data in the format below ・No Cs-137 but Cs-134 When they miss data, they miss neither of Cs-134 nor Cs-137, or only Cs-134, but they never miss only Cs-137 but Cs-134. They graph below is the radiation readings of the seawater at reactor4 screen (Outside of the silt fence) as an example. Also, Cs-134/137 ratio is endlessly stable. The half life of Cs-134 is 2.0652 years. However, it’s all stable at least through these 3 months. On this post, Fukushima Diary suggests the possibility that Tepco covers up the Cs-134 readings when it is bigger than Cs-137. If Cs-134 reading is bigger than Cs-137, it can have us suspect the possible fission.
Posted on: Sun, 16 Jun 2013 17:39:28 +0000

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