Tokyo Electric Power Co. said Friday it detected a record 740,000 becquerels per kilogram of radioactive cesium in a fish caught in waters near the crippled Fukushima Daiichi Nuclear Power Station, equivalent to 7,400 times the state-set limit deemed safe for human consumption.
The greenling measuring 38 cm in length and weighing 564 grams was caught near a water intake of the four reactor units in the power station’s port on Feb. 21 during the utility’s operation to remove fish from the port.
Tepco has installed a net on the sea floor of the port exit in Fukushima Prefecture to make it hard for fish living near the sediments of contaminated soil to go elsewhere.
According to Tepco, the previous record of cesium concentration in fish was 510,000 Bq/kg detected in another greenling captured in the same area. Currently, fishermen are voluntarily suspending operations off the coast of the prefecture except for experimental catches.
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