Recently NHK On-line reported the following:
東電 福島第一原発 処理水 1kmほど沖合から放出方針を発表
2021年8月25日 20時25分
福島第一原子力発電所でたまり続けるトリチウムなどを含む処理水について、東京電力は基準以下に薄めたうえで新たに作る海底トンネルを通して原発の1キロほど沖合から放出する方針を発表しました。
東京電力は25日、福島第一原発構内で会見を開き、たまり続ける処理水の具体的な放出方法やモニタリングの強化などについて今後の方針を説明しました。
処理水については、大型のポンプでくみ上げた海水を混ぜ合わせて基準以下の濃度に薄め、新たに作る海底トンネルを使って原発の1キロほど沖合から放出するとしました。
沖合から行う理由として、放出した処理水を再び取水しないためなどと説明し、海底トンネルの建設に向けては関係者に意見を聞いたうえで海底の調査を始め、2023年の春までの設置完了を目指すということです。
また、当面はトリチウムの濃度が基準値以下かを測定してから放出する考えを示しました。
そのうえで、トリチウムの拡散状況や魚類などへの放射性物質の移行状況を確認するため、調査のポイントや回数を増やすなどしモニタリングを強化するとしています。
福島第一廃炉推進カンパニーの小野明代表は「漁業者などにご負担をおかけし心苦しく思っています。最大限風評対策をとり、理解を得られるよう進めたい」と話しました。
原発に近い沿岸部にある福島県南相馬市の門馬和夫市長は「処理水の処分方法に関する技術的なことについては国などでしっかりと調査し、風評被害が起きないよう処分による影響が少ない方法を取ってほしい」と述べました。
福島県の漁業関係者からは、その方法で風評被害が起きないのかという疑問の声が上がっています。
新地町の30代の漁師は「原発から直接流しても、1キロほど離れた場所で流しても、状況はあまり変わらないと思うし、多大な費用がかかるだけだと思う。そもそも過去にさまざまなトラブルを隠してきた東京電力が安全に処分できるのか、風評被害を起こさないのか疑問は消えないし、国民の理解を得ていない状況では海洋放出自体に納得できない」と話していました。
また去年、浪江町で水産会社を再開させた柴孝一社長は「海の潮の流れに沿って処理水を広範囲に拡散させる効果はあるかもしれませんが、それで風評被害が起きないかというと、そんな簡単な問題ではないと思います。私たちの会社も従業員を多く雇っていますし、原発からの距離も近いので、国や東京電力には風評が出ない処分方法を検討し続けてほしい」と話していました。
韓国政府は25日、対応を協議するための会議を開きました。
この中でク・ユンチョル(具潤哲)国務調整室長は「最も近い隣国である韓国政府といかなる事前の協議や了解もなく、一方的に進められていることに対し改めて遺憾の意を表明する」と述べました。
また「一方的な放出の推進を直ちに中止し、まずは近隣諸国との十分な協議と意思の疎通をしていくことが責任ある国際社会の一員としての望ましい姿勢だ」としています。
そのうえで「国民の安全を最優先として、今後も必要な措置を国際社会とともに取っていく」と強調し、東京電力が発表した計画を詳しく分析する考えを示しました。
Translation
TEPCO held a press conference on the premises of the Fukushima Daiichi Nuclear Power Plant on the 25th, and explained its future policy on the concrete method in water discharging, and on strengthening the monitoring of the treated water that continued to accumulate.
Regarding the treated water, it would be mixed with seawater pumped up by a large pump so as to dilute it to a concentration level that met the standard. A newly made undersea tunnel would be used to discharge the water offshore about 1 km from the nuclear power plant.
They explained that the reason for releasing the treated water offshore was not to take-in the discharged treated water again. After asking the people concerned on the construction of the undersea tunnel, an investigation of the seabed would be started and the aim was to complete the installation by the spring of 2023.
In addition, at present, the releasing would be considered only after measuring the concentration level of tritium had met the safety standard.
In addition, in order to confirm the diffusion situation of tritium, and the situation on the transfer of radioactive substances to fish etc., they would strengthen monitoring works by increasing the points and the number of surveys.
In addition, TEPCO also showed a concrete idea to make compensation in the event of reputational damages caused by the release of treated water; and it was supposed that when new reputational damage occurred, statistical data such as prices and transaction volumes for each region and industry would be used to infer the damage.
Akira Ono (小野明), representative of the Fukushima Daiichi Decommissioning Promotion Company said, " I'm sorry to trouble you regarding the burden on the fishermen and others, I would like to take all possible measures to deal with reputational damage matter, and I want to proceed with gaining your understanding."
Mayor of Minamisoma "to take a method that has less impact"
In Fukushima Prefecture, Kazuo Monma (門馬和夫) the mayor of Minamisoma City (南相馬市) that
was located in the coastal area near the nuclear power plant said, "We
will thoroughly investigate the technical matters etc. regarding the disposal
method of treated water in the national government. I want to have a disposal method that would cause less impact so
that rumor damage does not occur".
Fishermen question whether damage from rumor might occur
Fukushima Prefecture fishermen were wondering if that method
might cause rumors.
A fisherman in his thirties in Shinchi-cho (新地町) said, "I don't think the
situation will differ much whether the treated water flows directly from the
nuclear power plant or about a kilometer away, and it will only cost a lot of
money. The question remains whether TEPCO, which has hidden various troubles in
the past, can safely disposed of it. The question on whether it could cause
reputational damage will not go away, and the ocean releasing itself is
unconvincing in a situation where the public does not understand.”
In addition, President Koichi Shiba (柴孝一) of a fishery company in Namie
Town (浪江町) that
was reopened last year said, "this could have the effect of spreading
treated water over a wide area along with the flow of the sea tide, yet it may
cause reputational damage. I don't think the problem is that simple. Our
company also employs many employees, and since it is close to the nuclear power
plant, I want the government and TEPCO to continue to consider a disposal
method that will not cause rumors.”
South Korea "expresses regret as there is no prior
consultation or agreement"
The South Korean government held a meeting on the 25th to
discuss a response.
Among them, Ku Yun-chul(具潤哲), director of the Office for Government Policy
Coordination, said, "I would like to express my regret for the fact that
it is proceeding unilaterally without any prior consultation or consent with
the government of South Korea, which is the closest neighbor."
Also, "It is a desirable attitude as a responsible member
of the international community to immediately stop implementing the unilateral
release, and to first fully discuss and communicate with neighboring
countries."
He emphasized that "in giving a top priority to people’s
safety, we will continue to take necessary measures together with the
international community", and expressed his intention to analyze the plan
announced by TEPCO in detail.
So, in handling the water that contains
tritium etc. which continues to accumulate at the Fukushima Daiichi Nuclear
Power Station, TEPCO has announced a policy on releasing it at about 1 km
offshore from the nuclear power plant through a newly constructed undersea
tunnel after diluting it to a level that meets the safety standard.
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