Fukushima Daiichi Status Updates

On 22 March 2024, Japan provided the IAEA with a copy of a report on the discharge record and the seawater monitoring results at the Fukushima Daiichi Nuclear Power Station during February, which the Ministry of Foreign Affairs has sent to all international Missions in Japan.

The report contains information on discharges from the subdrain and groundwater drain systems, as well as on groundwater bypassing conducted during the month of February. In both cases, in advance of the action, TEPCO analyzes the quality of the groundwater to be discharged and announces the results. These results confirm that the radiation level of sampled water are substantially below the operational targets set by TEPCO.

On 22 March 2024, Japan provided the IAEA with a copy of a report on the discharge record and the seawater monitoring results at the Fukushima Daiichi Nuclear Power Station during February, which the Ministry of Foreign Affairs has sent to all international Missions in Japan.

The report contains information on discharges from the subdrain and groundwater drain systems, as well as on groundwater bypassing conducted during the month of February. In both cases, in advance of the action, TEPCO analyzes the quality of the groundwater to be discharged and announces the results. These results confirm that the radiation level of sampled water are substantially below the operational targets set by TEPCO.

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On 5 March 2024, Japan provided the IAEA with a copy of a report on the discharge record and the seawater monitoring results at the Fukushima Daiichi Nuclear Power Station during January, which the Ministry of Foreign Affairs has sent to all international Missions in Japan.

The report contains information on discharges from the subdrain and groundwater drain systems, as well as on groundwater bypassing conducted during the month of January. In both cases, in advance of the action, TEPCO analyzes the quality of the groundwater to be discharged and announces the results. These results confirm that the radiation level of sampled water are substantially below the operational targets set by TEPCO.

On 5 March 2024, Japan provided the IAEA with a copy of a report on the discharge record and the seawater monitoring results at the Fukushima Daiichi Nuclear Power Station during January, which the Ministry of Foreign Affairs has sent to all international Missions in Japan.

The report contains information on discharges from the subdrain and groundwater drain systems, as well as on groundwater bypassing conducted during the month of January. In both cases, in advance of the action, TEPCO analyzes the quality of the groundwater to be discharged and announces the results. These results confirm that the radiation level of sampled water are substantially below the operational targets set by TEPCO.

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On 18 January 2024, Japan provided the IAEA with a copy of a report on the discharge record and the seawater monitoring results at the Fukushima Daiichi Nuclear Power Station during December, which the Ministry of Foreign Affairs has sent to all international Missions in Japan.

The report contains information on discharges from the subdrain and groundwater drain systems, as well as on groundwater bypassing conducted during the month of December. In both cases, in advance of the action, TEPCO analyzes the quality of the groundwater to be discharged and announces the results. These results confirm that the radiation level of sampled water are substantially below the operational targets set by TEPCO.

On 18 January 2024, Japan provided the IAEA with a copy of a report on the discharge record and the seawater monitoring results at the Fukushima Daiichi Nuclear Power Station during December, which the Ministry of Foreign Affairs has sent to all international Missions in Japan.

The report contains information on discharges from the subdrain and groundwater drain systems, as well as on groundwater bypassing conducted during the month of December. In both cases, in advance of the action, TEPCO analyzes the quality of the groundwater to be discharged and announces the results. These results confirm that the radiation level of sampled water are substantially below the operational targets set by TEPCO.

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On 27 December 2023, Japan provided the IAEA with a copy of a report on the discharge record and the seawater monitoring results at the Fukushima Daiichi Nuclear Power Station during October, which the Ministry of Foreign Affairs has sent to all international Missions in Japan.

The report contains information on discharges from the subdrain and groundwater drain systems, as well as on groundwater bypassing conducted during the month of October. In both cases, in advance of the action, TEPCO analyzes the quality of the groundwater to be discharged and announces the results. These results confirm that the radiation level of sampled water are substantially below the operational targets set by TEPCO.

On 27 December 2023, Japan provided the IAEA with a copy of a report on the discharge record and the seawater monitoring results at the Fukushima Daiichi Nuclear Power Station during October, which the Ministry of Foreign Affairs has sent to all international Missions in Japan.

The report contains information on discharges from the subdrain and groundwater drain systems, as well as on groundwater bypassing conducted during the month of October. In both cases, in advance of the action, TEPCO analyzes the quality of the groundwater to be discharged and announces the results. These results confirm that the radiation level of sampled water are substantially below the operational targets set by TEPCO.

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On 21 November 2023, Japan provided the IAEA with a copy of a report on the discharge record and the seawater monitoring results at the Fukushima Daiichi Nuclear Power Station during October, which the Ministry of Foreign Affairs has sent to all international Missions in Japan.

The report contains information on discharges from the subdrain and groundwater drain systems, as well as on groundwater bypassing conducted during the month of October. In both cases, in advance of the action, TEPCO analyzes the quality of the groundwater to be discharged and announces the results. These results confirm that the radiation level of sampled water are substantially below the operational targets set by TEPCO.

On 21 November 2023, Japan provided the IAEA with a copy of a report on the discharge record and the seawater monitoring results at the Fukushima Daiichi Nuclear Power Station during October, which the Ministry of Foreign Affairs has sent to all international Missions in Japan.

The report contains information on discharges from the subdrain and groundwater drain systems, as well as on groundwater bypassing conducted during the month of October. In both cases, in advance of the action, TEPCO analyzes the quality of the groundwater to be discharged and announces the results. These results confirm that the radiation level of sampled water are substantially below the operational targets set by TEPCO.

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On 26 October 2023, Japan provided the IAEA with a copy of a report on the discharge record and the seawater monitoring results at the Fukushima Daiichi Nuclear Power Station during September, which the Ministry of Foreign Affairs has sent to all international Missions in Japan.

The report contains information on discharges from the subdrain and groundwater drain systems, as well as on groundwater bypassing conducted during the month of September. In both cases, in advance of the action, TEPCO analyzes the quality of the groundwater to be discharged and announces the results. These results confirm that the radiation level of sampled water are substantially below the operational targets set by TEPCO.

On 26 October 2023, Japan provided the IAEA with a copy of a report on the discharge record and the seawater monitoring results at the Fukushima Daiichi Nuclear Power Station during September, which the Ministry of Foreign Affairs has sent to all international Missions in Japan.

The report contains information on discharges from the subdrain and groundwater drain systems, as well as on groundwater bypassing conducted during the month of September. In both cases, in advance of the action, TEPCO analyzes the quality of the groundwater to be discharged and announces the results. These results confirm that the radiation level of sampled water are substantially below the operational targets set by TEPCO.

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On 11 October 2023, Japan provided the IAEA with a copy of a report during July and August, on the discharge record and the seawater monitoring results at the Fukushima Daiichi Nuclear Power Station, which the Ministry of Foreign Affairs has sent to all international Missions in Japan.

The reports contain information on discharges from the subdrain and groundwater drain systems, as well as on groundwater bypassing conducted during the months of July and August respectively. In both cases, in advance of the action, TEPCO analyzes the quality of the groundwater to be discharged and announces the results. These results confirm that the radiation level of sampled water are substantially below the operational targets set by TEPCO.

On 11 October 2023, Japan provided the IAEA with a copy of a report during July and August, on the discharge record and the seawater monitoring results at the Fukushima Daiichi Nuclear Power Station, which the Ministry of Foreign Affairs has sent to all international Missions in Japan.

The reports contain information on discharges from the subdrain and groundwater drain systems, as well as on groundwater bypassing conducted during the months of July and August respectively. In both cases, in advance of the action, TEPCO analyzes the quality of the groundwater to be discharged and announces the results. These results confirm that the radiation level of sampled water are substantially below the operational targets set by TEPCO.

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On 26 July 2023, Japan provided the IAEA with a copy of a report on the discharge record and the seawater monitoring results at the Fukushima Daiichi Nuclear Power Station during June, which the Ministry of Foreign Affairs has sent to all international Missions in Japan.

The report contains information on discharges from the subdrain and groundwater drain systems, as well as on groundwater bypassing conducted during the month of June. In both cases, in advance of the action, TEPCO analyzes the quality of the groundwater to be discharged and announces the results. These results confirm that the radiation level of sampled water are substantially below the operational targets set by TEPCO.

On 26 July 2023, Japan provided the IAEA with a copy of a report on the discharge record and the seawater monitoring results at the Fukushima Daiichi Nuclear Power Station during June, which the Ministry of Foreign Affairs has sent to all international Missions in Japan.

The report contains information on discharges from the subdrain and groundwater drain systems, as well as on groundwater bypassing conducted during the month of June. In both cases, in advance of the action, TEPCO analyzes the quality of the groundwater to be discharged and announces the results. These results confirm that the radiation level of sampled water are substantially below the operational targets set by TEPCO.

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On 13 July 2023, Japan provided the IAEA with a copy of a report on the discharge record and the seawater monitoring results at the Fukushima Daiichi Nuclear Power Station during May, which the Ministry of Foreign Affairs has sent to all international Missions in Japan.

The report contains information on discharges from the subdrain and groundwater drain systems, as well as on groundwater bypassing conducted during the month of May. In both cases, in advance of the action, TEPCO analyzes the quality of the groundwater to be discharged and announces the results. These results confirm that the radiation level of sampled water are substantially below the operational targets set by TEPCO.

On 13 July 2023, Japan provided the IAEA with a copy of a report on the discharge record and the seawater monitoring results at the Fukushima Daiichi Nuclear Power Station during May, which the Ministry of Foreign Affairs has sent to all international Missions in Japan.

The report contains information on discharges from the subdrain and groundwater drain systems, as well as on groundwater bypassing conducted during the month of May. In both cases, in advance of the action, TEPCO analyzes the quality of the groundwater to be discharged and announces the results. These results confirm that the radiation level of sampled water are substantially below the operational targets set by TEPCO.

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The Japanese Government has provided the IAEA with a report that summarizes the events and highlights the progress related to recovery operations at the Fukushima Daiichi Nuclear Power Station. The IAEA provided its assessments, which are contained in full at the end of the report.

This assessment has been performed on aspects presented in the February 2023 report 'Events and highlights on the progress related to recovery operations at TEPCO's Fukushima Daiichi Nuclear Power Stationn'. It does not include recent developments that will be taken into consideration in a next report.

Start of the rearing test of marine organisms

The Agency notes that, in addition to the IAEA review of the safety aspects of ALPS treated water, the document also contains TEPCO’s progress report on rearing tests1/ of marine organisms in seawater with ALPS treated water added, compared to normal seawater.

IAEA review of the safety aspects of ALPS treated water (second review)

The Agency acknowledges Japan’s continued cooperation during the IAEA’s ongoing review of safety related aspects of handling ALPS treated water at TEPCO’s Fukushima Daiichi Nuclear Power Station, and notes that the second Task Force mission to METI/TEPCO was highlighted in this latest update.

Substantiation of measures to further reduce contaminated water generated

The IAEA welcomes the prospect of achieving goals of the Mid-and-Long-Term Roadmap including continuous Japan's effort to reduce the contaminated water generation, in line with the IAEA Fifth Review Mission Report released in August 2021.

Unit 1 Status of the Primary Containment Vessel (PCV) internal investigation (the latter half)

The IAEA acknowledges the progress of the investigation inside the Unit 1 PCV, including the status of fuel debris distribution.

Sea area monitoring results

Based on the information provided by Japan, the IAEA acknowledges that no significant changes were observed in the monitoring results for seawater, sediment and marine biota, including fishery products, during the period covered by this report. The levels measured by Japan in the marine environment are low and relatively stable. For the purpose of public reassurance, the IAEA encourages the continuation of sea area monitoring. Furthermore, the IAEA considers that the ongoing data quality assurance programme that is in place is key for ensuring the accuracy and the quality of the results of the monitoring programme. It also enhances transparency and contributes to building stakeholders’ confidence.

Food products

Based on the information provided by Japan, the situation regarding the safety of the food supply, fishery and agricultural production continues to remain stable. Food restrictions continue to be revised and updated as necessary in line with food monitoring results. Many thousands of food samples were collected over the reporting period and this indicates continued vigilance of the authorities in Japan and their commitment to protecting consumers and trade. Monitoring, appropriate regulatory action and public communication are helping to maintain confidence in the safety of the food supply.

Based on the information that has been made available, the Joint FAO/IAEA Centre understands that measures to monitor and respond to issues regarding radionuclide contamination of food are appropriate, and that the food supply chain is controlled effectively by the relevant authorities and that the public food supply is safe.

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1/ By “rearing tests”, the Agency understands that what is meant by TEPCO is the maintenance in large tanks, of marine organisms to physically and visibly demonstrate that no adverse effects will be imposed by the presence of ALPS treated water in the sea.

The Japanese Government has provided the IAEA with a report that summarizes the events and highlights the progress related to recovery operations at the Fukushima Daiichi Nuclear Power Station. The IAEA provided its assessments, which are contained in full at the end of the report.

This assessment has been performed on aspects presented in the February 2023 report 'Events and highlights on the progress related to recovery operations at TEPCO's Fukushima Daiichi Nuclear Power Stationn'. It does not include recent developments that will be taken into consideration in a next report.

Start of the rearing test of marine organisms

The Agency notes that, in addition to the IAEA review of the safety aspects of ALPS treated water, the document also contains TEPCO’s progress report on rearing tests1/ of marine organisms in seawater with ALPS treated water added, compared to normal seawater.

IAEA review of the safety aspects of ALPS treated water (second review)

The Agency acknowledges Japan’s continued cooperation during the IAEA’s ongoing review of safety related aspects of handling ALPS treated water at TEPCO’s Fukushima Daiichi Nuclear Power Station, and notes that the second Task Force mission to METI/TEPCO was highlighted in this latest update.

Substantiation of measures to further reduce contaminated water generated

The IAEA welcomes the prospect of achieving goals of the Mid-and-Long-Term Roadmap including continuous Japan's effort to reduce the contaminated water generation, in line with the IAEA Fifth Review Mission Report released in August 2021.

Unit 1 Status of the Primary Containment Vessel (PCV) internal investigation (the latter half)

The IAEA acknowledges the progress of the investigation inside the Unit 1 PCV, including the status of fuel debris distribution.

Sea area monitoring results

Based on the information provided by Japan, the IAEA acknowledges that no significant changes were observed in the monitoring results for seawater, sediment and marine biota, including fishery products, during the period covered by this report. The levels measured by Japan in the marine environment are low and relatively stable. For the purpose of public reassurance, the IAEA encourages the continuation of sea area monitoring. Furthermore, the IAEA considers that the ongoing data quality assurance programme that is in place is key for ensuring the accuracy and the quality of the results of the monitoring programme. It also enhances transparency and contributes to building stakeholders’ confidence.

Food products

Based on the information provided by Japan, the situation regarding the safety of the food supply, fishery and agricultural production continues to remain stable. Food restrictions continue to be revised and updated as necessary in line with food monitoring results. Many thousands of food samples were collected over the reporting period and this indicates continued vigilance of the authorities in Japan and their commitment to protecting consumers and trade. Monitoring, appropriate regulatory action and public communication are helping to maintain confidence in the safety of the food supply.

Based on the information that has been made available, the Joint FAO/IAEA Centre understands that measures to monitor and respond to issues regarding radionuclide contamination of food are appropriate, and that the food supply chain is controlled effectively by the relevant authorities and that the public food supply is safe.

__________

1/ By “rearing tests”, the Agency understands that what is meant by TEPCO is the maintenance in large tanks, of marine organisms to physically and visibly demonstrate that no adverse effects will be imposed by the presence of ALPS treated water in the sea.

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On 28 February 2023, Japan provided the IAEA with a copy of a report on the discharge record and the seawater monitoring results at the Fukushima Daiichi Nuclear Power Station during january, which the Ministry of Foreign Affairs has sent to all international Missions in Japan.

The report contains information on discharges from the subdrain and groundwater drain systems, as well as on groundwater bypassing conducted during the month of January. In both cases, in advance of the action, TEPCO analyzes the quality of the groundwater to be discharged and announces the results. These results confirm that the radiation level of sampled water are substantially below the operational targets set by TEPCO.

On 28 February 2023, Japan provided the IAEA with a copy of a report on the discharge record and the seawater monitoring results at the Fukushima Daiichi Nuclear Power Station during january, which the Ministry of Foreign Affairs has sent to all international Missions in Japan.

The report contains information on discharges from the subdrain and groundwater drain systems, as well as on groundwater bypassing conducted during the month of January. In both cases, in advance of the action, TEPCO analyzes the quality of the groundwater to be discharged and announces the results. These results confirm that the radiation level of sampled water are substantially below the operational targets set by TEPCO.

Close x Read Update →

On 3 February 2023, Japan provided the IAEA with a copy of a report on the discharge record and the seawater monitoring results at the Fukushima Daiichi Nuclear Power Station during December, which the Ministry of Foreign Affairs has sent to all international Missions in Japan.

The report contains information on discharges from the subdrain and groundwater drain systems, as well as on groundwater bypassing conducted during the month of December. In both cases, in advance of the action, TEPCO analyzes the quality of the groundwater to be discharged and announces the results. These results confirm that the radiation level of sampled water are substantially below the operational targets set by TEPCO.

On 3 February 2023, Japan provided the IAEA with a copy of a report on the discharge record and the seawater monitoring results at the Fukushima Daiichi Nuclear Power Station during December, which the Ministry of Foreign Affairs has sent to all international Missions in Japan.

The report contains information on discharges from the subdrain and groundwater drain systems, as well as on groundwater bypassing conducted during the month of December. In both cases, in advance of the action, TEPCO analyzes the quality of the groundwater to be discharged and announces the results. These results confirm that the radiation level of sampled water are substantially below the operational targets set by TEPCO.

Close x Read Update →

The Japanese Government has provided the IAEA with a report that summarizes the events and highlights the progress related to recovery operations at the Fukushima Daiichi Nuclear Power Station. The IAEA provided its assessments, which are contained in full at the end of the report.

This assessment has been performed on aspects presented in the November 2022 report 'Events and highlights on the progress related to recovery operations at Fukushima Daiichi Nuclear Power Station'. It does not include recent developments that will be taken into consideration in a next report.

Change of the start date of fuel debris trial retrieval from Unit 2

The IAEA notes that the process for the fuel debris trial retrieval from the Unit 2 will begin around late FY2023.

Revision of “Action Plan for the Continuous Implementation of the Basic Policy on Handling of ALPS Treated Water”

The IAEA recognizes that the review of the Action Plan demonstrates the Government of Japan’s focused commitment to further improving transparency and public acceptance with regard to the discharge of ALPS treated water.

Completion of deposit thickness survey inside the Unit 1 PCV

The IAEA recognizes that the knowledge gained through the compilation of information from such an investigation inside the Unit 1 PCV and the training based on this information will contribute to the safe removal of fuel debris from inside the PCV in the future.

Sea area monitoring results

Based on the information provided by Japan, the IAEA acknowledges that no significant changes were observed in the monitoring results for seawater, sediment and marine biota, including fishery products, during the period covered by this report. The levels measured by Japan in the marine environment are low and relatively stable. For the purpose of public reassurance, the IAEA encourages the continuation of sea area monitoring. Furthermore, the IAEA considers that the ongoing data quality assurance programme that is in place is key for ensuring the accuracy and the quality of the results of the monitoring programme. It also enhances transparency and contributes to building stakeholders’ confidence.

Food products

Based on the information provided by Japan, the situation regarding the safety of the food supply, fishery and agricultural production continues to remain stable. Food restrictions continue to be revised and updated as necessary in line with food monitoring results. Many thousands of food samples were collected over the reporting period and this indicates continued vigilance of the authorities in Japan and their commitment to protecting consumers and trade. Monitoring, appropriate regulatory action and public communication are helping to maintain confidence in the safety of the food supply.

Based on the information that has been made available, the Joint FAO/IAEA Centre understands that measures to monitor and respond to issues regarding radionuclide contamination of food are appropriate, and that the food supply chain is controlled effectively by the relevant authorities and that the public food supply is safe.

The Japanese Government has provided the IAEA with a report that summarizes the events and highlights the progress related to recovery operations at the Fukushima Daiichi Nuclear Power Station. The IAEA provided its assessments, which are contained in full at the end of the report.

This assessment has been performed on aspects presented in the November 2022 report 'Events and highlights on the progress related to recovery operations at Fukushima Daiichi Nuclear Power Station'. It does not include recent developments that will be taken into consideration in a next report.

Change of the start date of fuel debris trial retrieval from Unit 2

The IAEA notes that the process for the fuel debris trial retrieval from the Unit 2 will begin around late FY2023.

Revision of “Action Plan for the Continuous Implementation of the Basic Policy on Handling of ALPS Treated Water”

The IAEA recognizes that the review of the Action Plan demonstrates the Government of Japan’s focused commitment to further improving transparency and public acceptance with regard to the discharge of ALPS treated water.

Completion of deposit thickness survey inside the Unit 1 PCV

The IAEA recognizes that the knowledge gained through the compilation of information from such an investigation inside the Unit 1 PCV and the training based on this information will contribute to the safe removal of fuel debris from inside the PCV in the future.

Sea area monitoring results

Based on the information provided by Japan, the IAEA acknowledges that no significant changes were observed in the monitoring results for seawater, sediment and marine biota, including fishery products, during the period covered by this report. The levels measured by Japan in the marine environment are low and relatively stable. For the purpose of public reassurance, the IAEA encourages the continuation of sea area monitoring. Furthermore, the IAEA considers that the ongoing data quality assurance programme that is in place is key for ensuring the accuracy and the quality of the results of the monitoring programme. It also enhances transparency and contributes to building stakeholders’ confidence.

Food products

Based on the information provided by Japan, the situation regarding the safety of the food supply, fishery and agricultural production continues to remain stable. Food restrictions continue to be revised and updated as necessary in line with food monitoring results. Many thousands of food samples were collected over the reporting period and this indicates continued vigilance of the authorities in Japan and their commitment to protecting consumers and trade. Monitoring, appropriate regulatory action and public communication are helping to maintain confidence in the safety of the food supply.

Based on the information that has been made available, the Joint FAO/IAEA Centre understands that measures to monitor and respond to issues regarding radionuclide contamination of food are appropriate, and that the food supply chain is controlled effectively by the relevant authorities and that the public food supply is safe.

Close x Read Update →

On 28 December 2022, Japan provided the IAEA with a copy of a report on the discharge record and the seawater monitoring results at the Fukushima Daiichi Nuclear Power Station during November, which the Ministry of Foreign Affairs has sent to all international Missions in Japan.

The report contains information on discharges from the subdrain and groundwater drain systems, as well as on groundwater bypassing conducted during the month of November. In both cases, in advance of the action, TEPCO analyzes the quality of the groundwater to be discharged and announces the results. These results confirm that the radiation level of sampled water are substantially below the operational targets set by TEPCO.

On 28 December 2022, Japan provided the IAEA with a copy of a report on the discharge record and the seawater monitoring results at the Fukushima Daiichi Nuclear Power Station during November, which the Ministry of Foreign Affairs has sent to all international Missions in Japan.

The report contains information on discharges from the subdrain and groundwater drain systems, as well as on groundwater bypassing conducted during the month of November. In both cases, in advance of the action, TEPCO analyzes the quality of the groundwater to be discharged and announces the results. These results confirm that the radiation level of sampled water are substantially below the operational targets set by TEPCO.

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On 2 December 2022, Japan provided the IAEA with a copy of a report on the discharge record and the seawater monitoring results at the Fukushima Daiichi Nuclear Power Station during October, which the Ministry of Foreign Affairs has sent to all international Missions in Japan.

The report contains information on discharges from the subdrain and groundwater drain systems, as well as on groundwater bypassing conducted during the month of  October. In both cases, in advance of the action, TEPCO analyzes the quality of the groundwater to be discharged and announces the results. These results confirm that the radiation level of sampled water are substantially below the operational targets set by TEPCO.

On 2 December 2022, Japan provided the IAEA with a copy of a report on the discharge record and the seawater monitoring results at the Fukushima Daiichi Nuclear Power Station during October, which the Ministry of Foreign Affairs has sent to all international Missions in Japan.

The report contains information on discharges from the subdrain and groundwater drain systems, as well as on groundwater bypassing conducted during the month of  October. In both cases, in advance of the action, TEPCO analyzes the quality of the groundwater to be discharged and announces the results. These results confirm that the radiation level of sampled water are substantially below the operational targets set by TEPCO.

Close x Read Update →

The Japanese Government has provided the IAEA with a report that summarizes the events and highlights the progress related to recovery operations at the Fukushima Daiichi Nuclear Power Station. The IAEA provided its assessments, which are contained in full at the end of the report.

This assessment has been performed on aspects presented in the August 2022 report 'Events and highlights on the progress related to recovery operations at Fukushima Daiichi Nuclear Power Station'. It does not include recent developments that will be taken into consideration in a next report.

Improvements to the equipment for trial retrieval of fuel debris from Unit 2

The IAEA acknowledges the progress made and considers that this may enable future activities towards the trial retrieval of fuel debris from Unit 2.

Measurement of deposit thickness in the PCV of Unit 1

The IAEA acknowledges the progress made on the visual investigation of the in-vessel conditions in Unit 1 and considers it may contribute to the planning and implementation of a concrete decommissioning work plan in the future.

Management of ALPS treated water

The IAEA acknowledges that TEPCO has revised the assessment of radiological impacts on humans and the environment taking into account IAEA comments1/. The review of this revised impact assessment by the IAEA task force is ongoing.

Sea area monitoring results

Based on the information provided by Japan, the IAEA acknowledges that no significant changes were observed in the monitoring results for seawater, sediment and marine biota, including fishery products, during the period covered by this report. The levels measured by Japan in the marine environment are low and relatively stable. For the purpose of public reassurance, the IAEA encourages the continuation of sea area monitoring. Furthermore, the IAEA considers that the ongoing data quality assurance programme that is in place is key for ensuring the accuracy and the quality of the results of the monitoring programme. It also enhances transparency and contributes to building stakeholders’ confidence.

Food products

Based on the information provided by Japan, the situation regarding the safety of the food supply, fishery and agricultural production continues to remain stable. Food restrictions continue to be revised and updated as necessary in line with food monitoring results. Many thousands of food and fishery samples were collected and analyzed over the reporting period and this indicates the continued vigilance of the authorities in Japan and their commitment to protecting consumers and trade. Food monitoring, dietary surveys, appropriate regulatory action and public communication are helping to maintain confidence in the safety of the food supply.
Based on the information that has been made available from Japan, the Joint FAO/IAEA Centre understands that measures to monitor and respond to issues regarding radionuclide contamination of food are appropriate, and that the food supply chain is controlled effectively by the relevant authorities and that the public food supply is safe.

__________

1/ See IAEA Review of Safety Related Aspects of Handling ALPS Treated Water at TEPCO’s Fukushima Daiichi Nuclear Power Station

 

The Japanese Government has provided the IAEA with a report that summarizes the events and highlights the progress related to recovery operations at the Fukushima Daiichi Nuclear Power Station. The IAEA provided its assessments, which are contained in full at the end of the report.

This assessment has been performed on aspects presented in the August 2022 report 'Events and highlights on the progress related to recovery operations at Fukushima Daiichi Nuclear Power Station'. It does not include recent developments that will be taken into consideration in a next report.

Improvements to the equipment for trial retrieval of fuel debris from Unit 2

The IAEA acknowledges the progress made and considers that this may enable future activities towards the trial retrieval of fuel debris from Unit 2.

Measurement of deposit thickness in the PCV of Unit 1

The IAEA acknowledges the progress made on the visual investigation of the in-vessel conditions in Unit 1 and considers it may contribute to the planning and implementation of a concrete decommissioning work plan in the future.

Management of ALPS treated water

The IAEA acknowledges that TEPCO has revised the assessment of radiological impacts on humans and the environment taking into account IAEA comments1/. The review of this revised impact assessment by the IAEA task force is ongoing.

Sea area monitoring results

Based on the information provided by Japan, the IAEA acknowledges that no significant changes were observed in the monitoring results for seawater, sediment and marine biota, including fishery products, during the period covered by this report. The levels measured by Japan in the marine environment are low and relatively stable. For the purpose of public reassurance, the IAEA encourages the continuation of sea area monitoring. Furthermore, the IAEA considers that the ongoing data quality assurance programme that is in place is key for ensuring the accuracy and the quality of the results of the monitoring programme. It also enhances transparency and contributes to building stakeholders’ confidence.

Food products

Based on the information provided by Japan, the situation regarding the safety of the food supply, fishery and agricultural production continues to remain stable. Food restrictions continue to be revised and updated as necessary in line with food monitoring results. Many thousands of food and fishery samples were collected and analyzed over the reporting period and this indicates the continued vigilance of the authorities in Japan and their commitment to protecting consumers and trade. Food monitoring, dietary surveys, appropriate regulatory action and public communication are helping to maintain confidence in the safety of the food supply.
Based on the information that has been made available from Japan, the Joint FAO/IAEA Centre understands that measures to monitor and respond to issues regarding radionuclide contamination of food are appropriate, and that the food supply chain is controlled effectively by the relevant authorities and that the public food supply is safe.

__________

1/ See IAEA Review of Safety Related Aspects of Handling ALPS Treated Water at TEPCO’s Fukushima Daiichi Nuclear Power Station

 

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On 4 October 2022, Japan provided the IAEA with a copy of a report on the discharge record and the seawater monitoring results at the Fukushima Daiichi Nuclear Power Station during August, which the Ministry of Foreign Affairs has sent to all international Missions in Japan.

The report contains information on discharges from the subdrain and groundwater drain systems, as well as on groundwater bypassing conducted during the month of August. In both cases, in advance of the action, TEPCO analyzes the quality of the groundwater to be discharged and announces the results. These results confirm that the radiation level of sampled water are substantially below the operational targets set by TEPCO.

On 4 October 2022, Japan provided the IAEA with a copy of a report on the discharge record and the seawater monitoring results at the Fukushima Daiichi Nuclear Power Station during August, which the Ministry of Foreign Affairs has sent to all international Missions in Japan.

The report contains information on discharges from the subdrain and groundwater drain systems, as well as on groundwater bypassing conducted during the month of August. In both cases, in advance of the action, TEPCO analyzes the quality of the groundwater to be discharged and announces the results. These results confirm that the radiation level of sampled water are substantially below the operational targets set by TEPCO.

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On 29 July 2022, Japan provided the IAEA with a copy of a report on the discharge record and the seawater monitoring results at the Fukushima Daiichi Nuclear Power Station during June, which the Ministry of Foreign Affairs has sent to all international Missions in Japan.

The report contains information on discharges from the subdrain and groundwater drain systems, as well as on groundwater bypassing conducted during the month of June. In both cases, in advance of the action, TEPCO analyzes the quality of the groundwater to be discharged and announces the results. These results confirm that the radiation level of sampled water are substantially below the operational targets set by TEPCO.

On 29 July 2022, Japan provided the IAEA with a copy of a report on the discharge record and the seawater monitoring results at the Fukushima Daiichi Nuclear Power Station during June, which the Ministry of Foreign Affairs has sent to all international Missions in Japan.

The report contains information on discharges from the subdrain and groundwater drain systems, as well as on groundwater bypassing conducted during the month of June. In both cases, in advance of the action, TEPCO analyzes the quality of the groundwater to be discharged and announces the results. These results confirm that the radiation level of sampled water are substantially below the operational targets set by TEPCO.

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The Japanese Government has provided the IAEA with a report that summarizes the events and highlights the progress related to recovery operations at the Fukushima Daiichi Nuclear Power Station. The IAEA provided its assessments, which are contained in full at the end of the report.

This assessment has been performed on aspects presented in the May 2022 report 'Events and highlights on the progress related to recovery operations at Fukushima Daiichi Nuclear Power Station'. It does not include recent developments that will be taken into consideration in a next report.

Equipment for trial retrieval of fuel debris from Unit 2

The IAEA notes that this equipment may play a central role in the experimental retrieval of fuel debris from Unit 2, the start of which was postponed for about a year due to the COVID-19 pandemic. The IAEA recognizes the importance of conducting sufficient operational training at the JAEA Naraha Center, including mock-up tests that closely reproduce conditions at the Fukushima Daiichi Nuclear Power Station (NPS) recovery site.

An underwater vehicle in the PCV of Unit 1

The IAEA acknowledges the investigations, the preparatory work and the progress made to retrieve fuel debris deposited in the PCV of Unit 1.

Publication of the NDF’s Technical Strategic Plan 2021

The IAEA notes that the “Technical Strategic Plan 2021” presents a technical strategy from a medium- to long-term perspective that deals with the overall efforts for Tokyo Electric Power Company (TEPCO) to steadily implement decommissioning work at the Fukushima Daiichi NPS, in line with the goals set in the “Mid- to-Long-Term Roadmap” that was revised by the Government of Japan in 2019. In particular, the “Technical Strategic Plan 2021” devotes attention to solid waste management.

Handling of ALPS treated water

The IAEA notes the submission of the REIA and revised implementation plan by TEPCO, to the NRA, for regulatory review. From 14 to 18 February 2022, an IAEA mission visited TEPCO and METI in Japan to assess whether TEPCO’s plan to discharge treated water from the Fukushima Daiichi NPS into the sea is being implemented consistent with the relevant IAEA safety standards. This mission was the first in a series of missions that will be conducted under the IAEA’s review. The mission report can be found on the IAEA website1/

Sea area monitoring results

Based on the information provided by Japan, the IAEA acknowledges that no significant changes were observed in the monitoring results for seawater, sediment and marine biota, including fishery products, during the period covered by this report. The levels measured by Japan in the marine environment are low and relatively stable. For the purpose of public reassurance, the IAEA encourages the continuation of sea area monitoring. Furthermore, the IAEA considers that the ongoing data quality assurance programme that is in place is key for ensuring the accuracy and the quality of the results of the monitoring programme. It also enhances transparency and contributes to building stakeholders’ confidence.

Food products

Based on the information provided by Japan, the situation regarding the safety of the food supply, fishery and agricultural production continues to remain stable. Food restrictions continue to be revised and updated as necessary in line with food monitoring results. Many thousands of food samples were collected over the reporting period and this indicates the continued vigilance of the authorities in Japan and their commitment to protecting consumers and trade. Food monitoring, dietary surveys, appropriate regulatory action and public communication are helping to maintain confidence in the safety of the food supply.

Based on the information that has been made available from Japan, the Joint FAO/IAEA Centre understands that measures to monitor and respond to issues regarding radionuclide contamination of food are appropriate, and that the food supply chain is controlled effectively by the relevant authorities and that the public food supply is safe..

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1/ IAEA Review of Safety Related Aspects of Handling ALPS-Treated Water at TEPCO’s Fukushima Daiichi Nuclear Power Station

The Japanese Government has provided the IAEA with a report that summarizes the events and highlights the progress related to recovery operations at the Fukushima Daiichi Nuclear Power Station. The IAEA provided its assessments, which are contained in full at the end of the report.

This assessment has been performed on aspects presented in the May 2022 report 'Events and highlights on the progress related to recovery operations at Fukushima Daiichi Nuclear Power Station'. It does not include recent developments that will be taken into consideration in a next report.

Equipment for trial retrieval of fuel debris from Unit 2

The IAEA notes that this equipment may play a central role in the experimental retrieval of fuel debris from Unit 2, the start of which was postponed for about a year due to the COVID-19 pandemic. The IAEA recognizes the importance of conducting sufficient operational training at the JAEA Naraha Center, including mock-up tests that closely reproduce conditions at the Fukushima Daiichi Nuclear Power Station (NPS) recovery site.

An underwater vehicle in the PCV of Unit 1

The IAEA acknowledges the investigations, the preparatory work and the progress made to retrieve fuel debris deposited in the PCV of Unit 1.

Publication of the NDF’s Technical Strategic Plan 2021

The IAEA notes that the “Technical Strategic Plan 2021” presents a technical strategy from a medium- to long-term perspective that deals with the overall efforts for Tokyo Electric Power Company (TEPCO) to steadily implement decommissioning work at the Fukushima Daiichi NPS, in line with the goals set in the “Mid- to-Long-Term Roadmap” that was revised by the Government of Japan in 2019. In particular, the “Technical Strategic Plan 2021” devotes attention to solid waste management.

Handling of ALPS treated water

The IAEA notes the submission of the REIA and revised implementation plan by TEPCO, to the NRA, for regulatory review. From 14 to 18 February 2022, an IAEA mission visited TEPCO and METI in Japan to assess whether TEPCO’s plan to discharge treated water from the Fukushima Daiichi NPS into the sea is being implemented consistent with the relevant IAEA safety standards. This mission was the first in a series of missions that will be conducted under the IAEA’s review. The mission report can be found on the IAEA website1/

Sea area monitoring results

Based on the information provided by Japan, the IAEA acknowledges that no significant changes were observed in the monitoring results for seawater, sediment and marine biota, including fishery products, during the period covered by this report. The levels measured by Japan in the marine environment are low and relatively stable. For the purpose of public reassurance, the IAEA encourages the continuation of sea area monitoring. Furthermore, the IAEA considers that the ongoing data quality assurance programme that is in place is key for ensuring the accuracy and the quality of the results of the monitoring programme. It also enhances transparency and contributes to building stakeholders’ confidence.

Food products

Based on the information provided by Japan, the situation regarding the safety of the food supply, fishery and agricultural production continues to remain stable. Food restrictions continue to be revised and updated as necessary in line with food monitoring results. Many thousands of food samples were collected over the reporting period and this indicates the continued vigilance of the authorities in Japan and their commitment to protecting consumers and trade. Food monitoring, dietary surveys, appropriate regulatory action and public communication are helping to maintain confidence in the safety of the food supply.

Based on the information that has been made available from Japan, the Joint FAO/IAEA Centre understands that measures to monitor and respond to issues regarding radionuclide contamination of food are appropriate, and that the food supply chain is controlled effectively by the relevant authorities and that the public food supply is safe..

__________

1/ IAEA Review of Safety Related Aspects of Handling ALPS-Treated Water at TEPCO’s Fukushima Daiichi Nuclear Power Station

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On 28 June 2022, Japan provided the IAEA with a copy of a report on the discharge record and the seawater monitoring results at the Fukushima Daiichi Nuclear Power Station during May, which the Ministry of Foreign Affairs has sent to all international Missions in Japan.

The report contains information on discharges from the subdrain and groundwater drain systems, as well as on groundwater bypassing conducted during the month of May. In both cases, in advance of the action, TEPCO analyzes the quality of the groundwater to be discharged and announces the results. These results confirm that the radiation level of sampled water are substantially below the operational targets set by TEPCO.

On 28 June 2022, Japan provided the IAEA with a copy of a report on the discharge record and the seawater monitoring results at the Fukushima Daiichi Nuclear Power Station during May, which the Ministry of Foreign Affairs has sent to all international Missions in Japan.

The report contains information on discharges from the subdrain and groundwater drain systems, as well as on groundwater bypassing conducted during the month of May. In both cases, in advance of the action, TEPCO analyzes the quality of the groundwater to be discharged and announces the results. These results confirm that the radiation level of sampled water are substantially below the operational targets set by TEPCO.

Close x Read Update →

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