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Contaminated water crisis Sea contamination

5 parts of power cable trench of reactor3&4 found empty / Tepco “Contaminated water have already gone underground”

According to Tepco, power cable trench on the seaside of reactor3 and 4 were found empty from 5 locations at the moment of 8/13/2013. The trench is located on the

Contaminated water crisis Sea contamination

Contaminated groundwater possibly being exchanged with seawater in seawater trench of reactor1 too

According to Tepco, high level of chloride concentration was detected from the seawater trench of reactor1 too. The sampling date was 8/14/2013. The chloride concentration was 19,500 ppm. They also

Contaminated water crisis

Tepco started pumping up the rising groundwater on the seaside of reactor2

Following up this article..Tepco to start pumping up the rising groundwater from 8/9/2013 / Only one pump in 3,200 m2 area [URL] According to Tepco, they started pumping up the

Column Contaminated water crisis Sea contamination

[Column] Rising groundwater – 2 reasons why Tepco’s countermeasures may cause further disaster

The groundwater is estimated to reach the ground surface on 8/19/2013, which is the very urging problem. On 8/7/2013, Tepco announced they are going to start pumping up the rising

Contaminated water crisis Sea contamination

Tepco to start pumping up the rising groundwater from 8/9/2013 / Only one pump in 3,200 m2 area

In the press conference of 8/7/2013, Tepco announced they are going to start pumping up the rising groundwater from 8/9/2013. The location is on the seaside of reactor2. They are

Contaminated water crisis

Cs-134/137 in the new boring nearest to reactor2 turbine building over 10 times higher than other borings

According to Tepco, Cs-134/137 level in the groundwater near the turbine building is higher than other locations. The boring is 85m from reactor2 turbine building, which is the closest to

Contaminated water crisis

Water level of reactor2 sea side trench increased by 30mm in 5 days

Following up this article..[Column] Tepco literally “swamped” in sea contamination prevention [URL] According to Tepco, the water level in the sea side trench of reactor2 rose up to be 3,180

Contaminated water crisis Sea contamination

950,000,000,000 Bq/m3 of Cs-134/137 from reactor2 seawater trench shaft

According to Tepco, 950,000,000,000 Bq/m3 of Cs-134/137 was detected from reactor2 seawater trench shaft. It’s located on the seaside of reactor2. The shaft is connected to the trench around 20m

Contaminated water crisis

The water level of reactor2 seaside trench shaft increased by 22cm only in 3 days

Following up this article..Contaminated groundwater level coming up due to the impervious wall [URL] According to Tepco, the groundwater level of the trench nearest to reactor2 turbine building is rapidly

Contaminated water crisis Sea contamination

Tepco knew 55,000,000,000 Bq/m3 of Cs-134/137 detected from reactor2 trench shaft in May

On 7/29/2013, Tepco released the report about the contamination of reactor2 seaside trench. From this report, Tepco already knew the retained water in reactor2 trench is extremely contaminated by 5/30/2013.