The global Atomic Energy Agency (IAEA) was informed that TEPCO detected a leak of about 25 tons of water in block 2 of Fukushima Daiichi's emergency atomic power plant in northeastern Japan on 9 August that year," reported the IAEA.
"International Atomic Energy Agency was informed that on 9 August 2024 TEPCO detected a water leak in Block 2 of Fukushima Daiichi atomic power plant, resulting in a leak of about 25 tons of water from the pump area of the spent fuel cooling strategy and heat exchanger room. Leaking water got into the drain on the floor," TEPCO stated in a message published on its authoritative website.
In addition, the IAEA was informed that at this phase TEPCO had not detected a spill spreading to another premises.
"As a precaution, TEPCO stopped the main cooling pump of the spent fuel to analyse the origin and measure the temperature level in the pool. TEPCO has confirmed that the temperature is within average limits and does not exceed about 46 degrees Celsius. This is below the operating temperature limit of 65 degrees Celsius. The level of water collected in the area ceased to grow, so it was established that the water leakage stopped," added the Agency.
It was reported that the leaking water remained inside the building. TEPCO cleans the leaking water with its water treatment equipment. The Agency added that the event is not related to the discharge of treated water by ALPS. It occurred inside the block 2 reactor building.
"The Agency has not been informed of any breach of radiation protection standards," added the IAEA.
In March 2011, after the largest magnitude 9.0 earthquake, a giant tsunami wave of up to 15 metres and more hit Northeastern Japan. The water flooded the Fukushima Daiichi atomic power supply strategy and shut down the reactor cooling system. During the accident there was a hydrogen detonation in reactors one, 3 and four. The detonation destroyed the roof of reactor one. To prevent radionuclide from being released into the atmosphere, a protective dome was erected above the unit in the fall of the same year.
The accident at the power plant was considered the biggest after the Chernobyl accident. Failure to prepare for the situation led to serious errors being made in both the power plant itself and in the organisation of evacuation of the population. Thanks to the decontamination carried out in subsequent years, any of them abolished the evacuation government and allowed residents to return home. However, any areas are inactive uninhabitable. TERSO, the atomic power plant operator Fukushima Daiichi, estimates that it will take 40 years to remove the effects of the power plant failure and the dismantling of the reactors.
It was previously reported that TERSO on 24 August 2023 began to discharge into the ocean of water which had previously served to cool down damaged reactors and was subsequently cleared in the ALPS system. This strategy allows it to be cleared of 62 types of radionuclides, but tritium. This water is stored in giant tanks at the site. To date, almost 90% of their capacity of 1.37 million tonnes has been filled.
Despite the claims of TEPCO and the nipponese authorities that the discharge does not pose a threat to the environment or to humans, China and many another countries have criticised specified actions. In particular, the PRC prohibited imports of all nipponese sea fishing products and reinforced customs control of another products from Japan. Rosselkhozordzor besides announced on October 16 that he joins Chinese restrictive measures against fish products from Japan.
Daniel Głogowski
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The Fukushima-1 atomic power plant discovered a leak of 25 tons of radioactive water
