TEPCO published new information about solid radioactive waste containers in September. This took place after a container leaked highly radioactive liquids over the summer. 5338 containers were inspected. Of those, 304 had significant corrosion, 342 had significant dents.
TEPCO “repaired” these radioactive waste containers by applying large adhesive-backed plastic sheets to the areas of the metal containers that had suffered corrosion damage and leaks. No other sealing work appears to have been done to these containers besides the adhesive plastic sheet. TEPCO provided no further information on this plastic sticker material, or the expected durability of the adhesive used.
The images below show some of the repair work.
A close-up view of the container repair shows sticker material applied to the edge of the container.
A note in the document cited the need to determine the internal contents of 4011 waste containers. As of August 16, 2021, 249 waste containers have had the contents identified.
Translated document from TEPCO:
Original document in Japanese:
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