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Development of a Small-amount Fuel Debris Sampling Device for the Detailed Investigation inside the Primary Containment Vessel [Developed by Mitsubishi Heavy Industries] (August 2019)]


A sampling device used for collecting small amounts of fuel debris was developed for decommissioning the Tokyo Electric Power Company (TEPCO) Holdings, Inc. Fukushima Daiichi Nuclear Power Station (NPS). It was developed using an ultrafine metal wire brush method for the detailed investigation inside the Primary Containment Vessel (PCV) at Unit 2 of the Fukushima Daiichi NPS, The device was introduced to the public at the International Research Institute for Nuclear Decommissioning (IRID) Symposium 2019, held on August 1, 2019.