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Author(s):
核融合科学研究所 安全衛生推進部・放射線管理室、安全管理センター Radiation Control Safety Office/Safety
Hygiene Protection Bureau, Safety and Environmental Research Center
(National Institute for Fusion Science)
T. Yamamoto
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Title:放射線安全管理年報 (2006年4月1日〜2007年3月31日）Report on Administrative Work
for Radiation Safety from April 2006 to March 2007
Date of publication:
Oct. 2007
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Key words:
radiation protection, safety management, magnetic fusion plasma, LHD, X ray,
radiation measurement and monitoring
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Abstract:
The National Institute for Fusion Science (NIFS) constructed the Large
Helical Device (LHD) which is the largest magnetic confinement plasma
experimental device using a super conducting magnet coils system. The first
plasma shot was carried out in March 1998 after eight years of construction.
Since then high temperature plasmas and improved plasma confinement
experiments have been achieved. On 1st April 2004, NIFS became one of the
research institutes which constitute National Institutes of Natural
Sciences. Since then the regulation system of safety, health and
environmental management has been minorly changed. This is a report on
administrative work for radiation safety at the LHD and the Compact Helical
Device (CHS), and radiation measurement and monitoring on the site from 1st
April 2004 to 31st March 2006. Major topics are as follows.(1) Establishment
of a radiation safety management system based on the law of occupational
safety, health and environment.Radiation dose measurement and monitoring in
the radiation controlled area and on the site using a particularly developed
monitoring system named Radiation Monitoring System Applicable to Fusion
Experiments (RMSAFE).Establishment of an education and registration system
for radiation workers, and accessing control system for the LHD controlled
area. This report has been annually published from fiscal year 1999. We
expect that these reports could be helpful for future radiation safety
management in NIFS.
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