Radioactivity decontamination in and around school facilities in Fukushima

Approximately two months after the Fukushima nuclear accident, the Japan Atomic Energy Agency (JAEA) led off a series of demonstration tests to develop effective but easily applicable decontamination methods for various school facilities in Fukushima. This effort included (1) dose reduction measures...

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Autores principales:	Jun SAEGUSA, Akihiro TAGAWA, Hiroshi KURIKAMI, Kazuki IIJIMA, Hideki YOSHIKAWA, Takayuki TOKIZAWA, Shinichi NAKAYAMA, Junichiro ISHIDA
Formato:	article
Lenguaje:	EN
Publicado:	The Japan Society of Mechanical Engineers 2016
Materias:	fukushima nuclear accident decontamination environmental restoration radiation measurements radioactive cesium water treatment Mechanical engineering and machinery TJ1-1570
Acceso en línea:	https://doaj.org/article/dc479358928a4abfa266cd177893f842
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spelling	oai:doaj.org-article:dc479358928a4abfa266cd177893f8422021-11-26T06:51:30ZRadioactivity decontamination in and around school facilities in Fukushima2187-974510.1299/mej.15-00609https://doaj.org/article/dc479358928a4abfa266cd177893f8422016-03-01T00:00:00Zhttps://www.jstage.jst.go.jp/article/mej/3/3/3_15-00609/_pdf/-char/enhttps://doaj.org/toc/2187-9745Approximately two months after the Fukushima nuclear accident, the Japan Atomic Energy Agency (JAEA) led off a series of demonstration tests to develop effective but easily applicable decontamination methods for various school facilities in Fukushima. This effort included (1) dose reduction measures in schoolyards, (2) purification of swimming pool water, and (3) removal of surface contamination from playground equipment. Through these demonstration tests, they established practical methods suitable for each situation: (1) In schoolyards, dose rates were drastically reduced by removing topsoil, which was then placed in 1-m-deep trenches at a corner of the schoolyard. (2) For the purification of pool water, the flocculation coagulation treatment was found to be effective for collecting radiocesium dissolved in the water. (3) Demonstration tests for playground equipment, such as horizontal bars and a sandbox wood frame indicated that the decontamination effectiveness considerably varied depending on the material, paint or coating condition of each equipment piece. These findings were summarized in reports, some of which were compiled in local/national guidelines or handbooks for decontaminating the living environment in Fukushima.Jun SAEGUSAAkihiro TAGAWAHiroshi KURIKAMIKazuki IIJIMAHideki YOSHIKAWATakayuki TOKIZAWAShinichi NAKAYAMAJunichiro ISHIDAThe Japan Society of Mechanical Engineersarticlefukushima nuclear accidentdecontaminationenvironmental restorationradiation measurementsradioactive cesiumwater treatmentMechanical engineering and machineryTJ1-1570ENMechanical Engineering Journal, Vol 3, Iss 3, Pp 15-00609-15-00609 (2016)
institution	DOAJ
collection	DOAJ
language	EN
topic	fukushima nuclear accident decontamination environmental restoration radiation measurements radioactive cesium water treatment Mechanical engineering and machinery TJ1-1570
spellingShingle	fukushima nuclear accident decontamination environmental restoration radiation measurements radioactive cesium water treatment Mechanical engineering and machinery TJ1-1570 Jun SAEGUSA Akihiro TAGAWA Hiroshi KURIKAMI Kazuki IIJIMA Hideki YOSHIKAWA Takayuki TOKIZAWA Shinichi NAKAYAMA Junichiro ISHIDA Radioactivity decontamination in and around school facilities in Fukushima
description	Approximately two months after the Fukushima nuclear accident, the Japan Atomic Energy Agency (JAEA) led off a series of demonstration tests to develop effective but easily applicable decontamination methods for various school facilities in Fukushima. This effort included (1) dose reduction measures in schoolyards, (2) purification of swimming pool water, and (3) removal of surface contamination from playground equipment. Through these demonstration tests, they established practical methods suitable for each situation: (1) In schoolyards, dose rates were drastically reduced by removing topsoil, which was then placed in 1-m-deep trenches at a corner of the schoolyard. (2) For the purification of pool water, the flocculation coagulation treatment was found to be effective for collecting radiocesium dissolved in the water. (3) Demonstration tests for playground equipment, such as horizontal bars and a sandbox wood frame indicated that the decontamination effectiveness considerably varied depending on the material, paint or coating condition of each equipment piece. These findings were summarized in reports, some of which were compiled in local/national guidelines or handbooks for decontaminating the living environment in Fukushima.
format	article
author	Jun SAEGUSA Akihiro TAGAWA Hiroshi KURIKAMI Kazuki IIJIMA Hideki YOSHIKAWA Takayuki TOKIZAWA Shinichi NAKAYAMA Junichiro ISHIDA
author_facet	Jun SAEGUSA Akihiro TAGAWA Hiroshi KURIKAMI Kazuki IIJIMA Hideki YOSHIKAWA Takayuki TOKIZAWA Shinichi NAKAYAMA Junichiro ISHIDA
author_sort	Jun SAEGUSA
title	Radioactivity decontamination in and around school facilities in Fukushima
title_short	Radioactivity decontamination in and around school facilities in Fukushima
title_full	Radioactivity decontamination in and around school facilities in Fukushima
title_fullStr	Radioactivity decontamination in and around school facilities in Fukushima
title_full_unstemmed	Radioactivity decontamination in and around school facilities in Fukushima
title_sort	radioactivity decontamination in and around school facilities in fukushima
publisher	The Japan Society of Mechanical Engineers
publishDate	2016
url	https://doaj.org/article/dc479358928a4abfa266cd177893f842
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Radioactivity decontamination in and around school facilities in Fukushima

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