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Monday, 21 September 2015

The highest I-131 density of this year detected in 2 Fukushima sewage plants




According to Fukushima sewage public corporation, this July over 1,000 Bq/Kg of Iodine-131 was detected in dry sewage sludge. The sewage plant is located in Da-te District of Fukushima prefecture.
High level of I-131 was measured this May, however this reading of July is the highest density of this year. (cf, Significant level of I-131 detected from dry sludge of Fukushima sewage plant after rain in May [URL])

I-131 was detected from the samples collected from 7/9/2015 to 7/29/2015.

The highest reading was 1,038.4 Bq/Kg of 7/11/2015. The highest density of Cs-134 was also detected, which was 44 Bq/Kg the same day. It rained on 7/8/2015 but the precipitation was only 10.5 mm.

Also in another sewage plant in Koriyama city, 889 Bq/Kg of I-131 was detected from dry sewage sludge. This is also the highest reading of this plant. I-131 kept on being detected for 15 days of this July.

http://www.pref.fukushima.lg.jp/uploaded/attachment/129631.pdf
http://www.pref.fukushima.lg.jp/uploaded/attachment/129632.pdf

Source: Fukushima Diary
 http://fukushima-diary.com/2015/09/the-highest-i-131-density-of-this-year-detected-in-2-fukushima-sewage-plants/
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