Health Signal — A surveillance system defect affecting nuclear material prot — OpenWatch

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Health Signal — A surveillance system defect affecting nuclear material prot — OpenWatch

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Healthcrisis🇯🇵JapanMay 15, 2026

A surveillance system defect affecting nuclear material protection has been identified at TEPCO's Fukushima Daini nuclear power plant, with the company acknowledging the issue constitutes an incident with implications for nuclear material safeguards.

Severity: 5.5/10Source: Asahi Shimbun (ja)Location: Fukushima, Fukushima Prefecture

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