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According to Tepco, Tritium density increased to be three times higher within 5 days.
Having measured extremely high level of Tritium from groundwater, they are analyzing seawater.
From the sample of 7/1/2013, they measured 2,200,000 Bq/m3 of Tritium. It was 760,000 Bq/m3 from the sample of 6/26/2013.
(cf, [Tritium overflow] Tritium detected from 11 locations in the sea, average 340,000 Bq/m3 [URL])
The sampling location is North side of reactor1~4 water intake channel.
They took a sample from the same location on 7/3/2013 as well but the results are still “under analysis”.
In this test, Tepco entirely excluded Strontium-90 from the nuclides to analyze for some reason. We cannot know Strontium-90 density of seawater.
http://www.tepco.co.jp/en/nu/fukushima-np/f1/smp/2013/images/2tb-east_130704-e.pdf
Iori Mochizuki Don’t let them dominate the truth just because they have money.