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Investor Presentaiton

Ref; How to discharge the ALPS treated water into the sea Concentrations of the radioactive materials will be far below the regulatory standard values by 1) purifying/re-purifying the radionuclides other than tritium; and 2) diluting by sea water. ➤ Discharge into the sea at the FDNPS will be monitored/reviewed by third parties such as International Atomic Energy Agency (IAEA). Approx. 70% of water in the tanks contain nuclides exceeding the regulatory standards Tritium The water will certainly be purified to meet the regulatory standards (other than tritium) Tritium will be less than 1,500 Bq/L; and the nuclides other than tritium will be less than 1% of regulatory standards re-purify dilute more than 100 times by sea water Cobalt, Cesium, etc. ☐ 1,500 Regulatory Standards of Tritium 60,000 1 Bq/L 40 WHO Standards for Drinking Water 10,000 Bq/L Bq/L 7 12
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