As of Oct. 13, TEPCO has decontaminated more than 128,000 cubic meters of highly radioactive cooling water at the Fukushima Daiichi reactors. The company told Japan’s Nuclear and Industrial Safety Agency it expects to treat about 250,000 cubic meters by March. The decontamination and recycling efforts have been instrumental in the company’s being able to bring the temperatures at the bottom of reactors 1-3 below 100 degrees Celsius.
TEPCO reports it has completed attaching the heavy polyester covering to the steel frames it has installed around Fukushima Daiichi reactor 1. The company expects to complete testing of the effectiveness of the cover by the end of the month. It is considering installing similar covers for reactors 3 and 4.
Reuters takes note of the advice in the IAEA report for the Japanese government to “avoid becoming over-conservative” in future remediation efforts, such as topsoil removal, so as to preclude creating unnecessarily large quantities of radioactive waste requiring storage and disposal.
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