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[Column] Summary of Fukushima situation – Recent events and consequences about contaminated water problems

The contaminated water problem is becoming very complicated. I’d love to summarize the recent events.   1. The start   One of the huge tanks had a leakage. The volume

Contaminated water crisis

[Leakage everywhere] Retained water treatment system for reactor5&6 leaked 9L / Automotive system

Variety of contaminated water storage and treatment system are leaking in Fukushima nuclear plant one after one. According to Tepco, Tepco employee found another water leakage at 15:20 of 9/12/2013.

Contaminated water crisis

97,000,000 Bq/m3 of Tritium detected in groundwater of 300m3 leakage tank area / 1.5 times much as one day before

On 9/12/2013 (yesterday), Fukushima Diary reported they detected 64,000,000 Bq/m3 of Tritium in the groundwater taken beside the tank that experienced 300 m3 leakage. (cf, 64,000,000 Bq/m3 Tritium in groundwater


[Never be fixed] “Steam” came back again on the top of reactor3

Following up this article..Kyoto Uni Prof. “Tritium might be discharged directly from the reactor3 to the atmosphere” [URL]   According to Tepco, the “Steam”, which was often observed in early

Contaminated water crisis Sea contamination

Tepco’s vice president “We are eager to implement groundwater bypass plan”

Following up this article..Tepco’s vice president “Tritium got into groundwater certainly” [URL]   Having Tritium density increasing upstream of the groundwater stream, Tepco’s vice president Aizawa commented in the press

Contaminated water crisis Sea contamination

Tepco’s vice president “Tritium got into groundwater certainly”

Following up this article..64,000,000 Bq/m3 Tritium in groundwater besides leaked tank / 15 times much as 2 days before [URL]   In the press conference of 9/11/2013, Tepco’s vice president


JP PM Abe “Under control”→Vice president of Tepco “Fukushima is still like a field hospital”

Following up this article..Tepco inquired JP Gov about PM Abe’s statement to IOC “Contaminated water is entirely blocked” [URL]   On 9/11/2013, Tepco’s vice president Aizawa joined the press conference