Radioactive water should be diluted, released into ocean: experts

The Mainichi

A panel to the Atomic Energy Society of Japan (AESJ) has suggested diluting and releasing radioactive water from the crippled Fukushima No. 1 nuclear power plant into the ocean rather than keeping it in aboveground tanks.

The accident investigation board under the AESJ, which has been examining the Fukushima nuclear disaster, compiled its view on the radioactive water leaks from the Fukushima No. 1 nuclear plant, which states: “It would be realistic to dilute the contaminated water to levels found in the natural world and release it into the ocean after removing radioactive materials other than tritium.”

The panel argues that tritium is generated in the natural world by cosmic rays and is also included in seawater in small amounts. The panel also says the substance is easily discharged from fish and other creatures and is hardly concentrated in their bodies. Therefore, the panel claims, diluting and releasing contaminated water into the ocean would reduce the risk of radiation exposure and environmental pollution through incidental leaks, rather than keeping it in aboveground tanks.

However, such an ocean release is unlikely to take place right away, because TEPCO’s water decontamination system called the Multi-nuclide Removal Equipment (ALPS) — which could remove up to 62 kinds of radioactive substances apart from tritium from up to 500 tons of water each day — has yet to be put into full operation, while understanding from local residents and neighboring countries would also be necessary.

August 29, 2013(Mainichi Japan)

Click here for the original Japanese story

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Hiroshima and Nagasaki on the cutting room floor https://thebulletin.org/2019/08/hiroshima-and-nagasaki-on-the-cutting-room-floor/ By Thomas Gaulkin, August 5, 2019 Seventy-four years after nuclear weapons were first and last used in war, it can be challenging to conceive of the devastation they cause. But even in the immediate months after the atomic bombs were dropped on Hiroshima and Nagasaki in August 1945, news accounts offered a view of ingenuity and destruction that often elided the human cost.

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The 12-minute reel below was produced by the US War Department in 1946. “Tale of Two Cities” makes selective use of film that was confiscated from a Japanese filmmaker, Akira Iwasaki—though you wouldn’t know that from the narration, which boasts that “army cameramen have found and filmed pictorial evidence that tells in twisted steel and stone the effect of death-dealing atomic power.” (Some twenty years later, historian Eric Barnouw obtained more of Iwasaki’s footage and produced a remarkably different narrative that documented the horrible physical impact of the attacks on Hiroshima’s citizens.)

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