What radiation level exceeded the limit in Fukushima rockfish?

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Radiation Exceeds Limits in Fukushima Black Rockfish Shipments

Shipments of black rockfish caught off Fukushima prefecture have been suspended following the detection of radiation levels exceeding an upper limit. This action was mandated by Japan's health ministry after the discovery in a catch late last month. The suspension applies to all shipments of the affected fish, regardless of their intended destination.
Detection of Elevated Radiation

A specific catch of black rockfish, harvested off the coast of Fukushima prefecture towards the end of the previous month, was found to contain radiation levels that surpassed established safety thresholds. This finding triggered an immediate response from Japanese authorities.
Regulatory Action Taken

In response to the detected radiation, Japan's health ministry has issued a directive to halt all shipments of the implicated black rockfish. This precautionary measure aims to prevent the distribution of seafood that does not meet regulatory standards for radioactivity.
General Radiation Limits for Seafood

While the precise level detected in the Fukushima catch was not specified, regulatory bodies typically set maximum permissible levels for various radionuclides in foodstuffs. For instance, the Japanese government has established guidelines for radioactive cesium in fish, often around 500 becquerels per kilogram (Bq/kg), as a benchmark for safety. Exceeding such limits necessitates regulatory intervention to protect public health.

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What radiation level exceeded the limit in Fukushima rockfish?

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