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Radioactive Materials in Black Rockfish Off Fukushima Coast: Shipment Suspended

February 22, 2021, 7:09 pm

The Fukushima Prefectural Federation of Fishermen’s Associations (FISHMA) has suspended shipments of a fish called “Kurosoy” that was landed on February 22 in an experimental fishery off the coast of Fukushima Prefecture. This is the first time in about two years that radioactive materials exceeding the standard have been detected in the fishery off the coast of Fukushima Prefecture, and in February of last year, the shipping restrictions were lifted for all fish species.

According to the Fukushima Prefectural Federation of Fishermen’s Associations, on the 22nd, radioactive materials were detected in a fish called “Kurosoy,” which was caught in a fishing ground 8.8 kilometers off the coast of Shinchi Town at a depth of 24 meters.

As a result of detailed measurements at a prefectural laboratory, the concentration of radioactive cesium was 500 becquerels per kilogram, exceeding the national food standard of 100 becquerels per kilogram.

The prefectural fishermen’s federation has also decided to suspend the shipment of black rockfish until the safety of the fish is confirmed, as it exceeded the voluntary standard of 50 becquerels per kilogram set by the federation.

The national government’s nuclear emergency response headquarters is expected to order restrictions on the shipment of black rockfish.

The amount of blue rockfish landed in the past year was 3 tons, which is less than 1% of the total landings of the experimental fishery being conducted off the coast of Fukushima Prefecture.

This is the first time that radioactive materials exceeding the national standard have been detected since February of two years ago in the common kasube, a species of ray-finned fish, and in February of last year, the shipping restrictions were lifted for all fish species off the coast of Fukushima Prefecture.

Prefectural Fisheries and Oceanic Research Center: “There is a possibility of fish entering and leaving the nuclear power plant port

According to the Fukushima Prefectural Fisheries and Oceanic Research Center, which has been continuously measuring the concentration of radioactive materials in fish and shellfish off the coast of Fukushima Prefecture, the detected levels have dropped significantly compared to immediately after the nuclear accident.

According to the Fukushima Prefectural Fisheries and Oceanic Research Center, which has been continuously measuring the levels of radioactive materials, the levels detected have decreased significantly compared to the levels immediately after the nuclear accident.

We also examined 50 samples of black carp, and all of them were below the detection limit.

On the other hand, the Tokyo Electric Power Company (TEPCO) once detected a radioactive substance of about 900 becquerels per kilogram in a sample of black rockfish taken for investigation in the harbor of the Fukushima Daiichi Nuclear Power Plant.

Tokyo Electric Power Company (TEPCO) has installed nets at the entrance and exit of the harbor to prevent fish from entering and leaving the harbor, but the prefectural Fisheries and Oceanic Research Center is investigating the possibility that the black rockfish got out for some reason, and is investigating the cause of the detection of radioactive materials exceeding the standard.

Kyoichi Kamiyama, director of the Radioactivity Research Department at the Fukushima Prefectural Fisheries and Oceanic Research Center, said, “Considering the low concentration of radioactive materials in the seawater and seabed off Shinchi Town, we really don’t know why such high levels of radioactive cesium were detected. We would like to investigate the cause, taking into consideration the possibility that fish are coming in and out of the harbor of the Fukushima Daiichi Nuclear Power Plant.https://www3.nhk.or.jp/news/html/20210222/k10012880681000.html?fbclid=IwAR3fsx6QfmBWHfSgpjkrUvc_gDf6q0qUWBf50YGXkWR0KLgwWAM_1GdBwBI

February 25, 2021 - Posted by | Fukushima 2021 | , ,

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