Archive for the ‘Fukushima Plant situation’ Category

Huge tanks shipped to Fukushima plant / One gets full within less than 2 days

    Following up this article.. Tepco to carry new contaminated water tanks directly from the factory by transport ships [URL]   Tepco started carrying 6 contaminated water tanks from the factory in Mitsubishi heavy industries in Hyogo to Fukushima plant. The contaminated water is increasing faster than Tepco builds the new tanks in the [...]

4,200,000,000Bq of β and 10,000,000 Bq of γ nuclides leaked from ALPS again / New technology never get into operation

Extremely high level of radiation leaked from multiple nuclide removing system ALPS (Advanced Liquid Processing System). This system has been continuously in the serious trouble since they started the hot test last Spring. However, Tepco doesn’t change their plan to try to purify 1,960 m3 / day of contaminated water from this Summer. ALPS is [...]

[Assumption overturned] Bypass water already exceeded the safety limit / Tepco “won’t stop pumping up”

Following up this article.. Tepco started pumping up the bypass water to discharge / Tritium density jumped up to 87% of desired safety level [URL]   The tritium density already exceeded their desired safety limit before even starting to discharge.   It was one of the 12 bypass wells. From the sample of 4/15/2014, Tepco [...]

Someone turned on 4 irrelevant pumps / 203t of 37,000,000,000 Bq/m3 contaminated water transferred to wrong place

203 m3 of highly contaminated water was transferred to the wrong plant buildings. Cs-134/137 density was 37,000,000,000 Bq/m3 in the wrongly transferred water.   The basement floors of reactor1~4 retain the coolant water and groundwater that increase by 400 m3 per day. Both of them are highly contaminated. Tepco pumps it up and reuse it [...]

1 m3 of contaminated water leaked again / “Did someone make a hole on the tank for malicious purpose again ?”

1m3 of contaminated water leaked from another contaminated water tank. Tepco announced the leakage has already been stopped because all the water has gone out.   It was a 1m3 plastic tank beside 1,000m3 class of tanks. It is not explained why the tank was left there. A sub-contract worker found the tank was empty [...]

Tepco started pumping up the bypass water to discharge / Tritium density jumped up to 87% of desired safety level

↑ The groundwater bypass wells     ↑ The tanks to stock pumped water before discharging     Following up this article.. Tepco NOT to analyze Plutonium or Uranium in bypass water before discharging to the Pacific [URL]   Tepco started pumping up the groundwater from the bypass wells on 4/9/2014. They have already stocked [...]

Fukushima plant to produce over 560,000 m3 of radioactive debris by 2027 / No storage facility for 30% of them

    Following up this article.. [Photo] Tepco finally started removing the Tsunami debris in plant area, trucks, pipes, etc.. [URL]   Fukushima plant is estimated to produce 560,000 m3 of radioactive debris by 2027. Tepco released the assumption on 4/7/2014.   Tepco plans to recycle a part of it, but 160,000 m3 would still [...]

[Deteriorating plant] Reactor 1 thermometer malfunctioned “due to the leaked rainwater”

One of the thermometers in reactor1 malfunctioned due to the leaked rainwater, according to Tepco. It is assumed to take 40 years to decommission the crippled Fukushima plant. It’s been only 3 years but one of the most important sensors is already deteriorated seriously.   At 4 am of 4/4/2014, one of the thermometers in [...]

Monitoring post closest to reactor4 “malfunctioned”→Back up post “malfunctioned”→40 mins of “recording blank”

One of the monitoring posts malfunctioned on 4/4/2014, according to Tepco. The monitoring post is to measure the radiation level on the plant area border, where is the closest to reactor4. They switched it to the back up post, however it malfunctioned as well. Tepco ended up sending a human worker to measure the radiation [...]

Tepco plans to discharge pumped groundwater to the sea this coming June

Following up this article.. Fukushima fishery cooperative gave Tepco the approval to discharge bypassed groundwater to the sea [URL]   Tepco is already planning to discharge the pumped groundwater to the Pacific this coming June. On 4/4/2014, Tepco published the report about their plan to increase the contaminated water storage. In this report, they made [...]

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