TEPCO Fukushima Daiichi Nuclear Power Plant (file photo)
Tokyo Electric Power Company announced on the 25th that it will reduce the frequency of measurements of the radioactive substance tritium contained in seawater within 3 kilometers of the Fukushima Daiichi Nuclear Power Plant (Okuma Town and Futaba Town, Fukushima Prefecture). Measurements were taken daily, but during periods when contaminated water is not being released into the ocean after being purified, it is now done once a week.
Since the release began on August 24, TEPCO has taken daily measurements at 10 locations within a 3km radius. From December 26th onwards, measurements will be taken daily at four locations approximately 1km offshore and within 600 meters of the discharge port during the discharge and for one week after the discharge ends, but once a week for the rest of the time. For 6 points further away than 4 points, the number will be reduced to twice a week during release, and once a month during non-release periods.
In most previous measurements, the concentration of tritium, which cannot be removed by treatment facilities, was below what the instruments could detect. (Kenta Onozawa)
2023-12-25 12:15:29
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