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JAEA Reports

Annual report for FY2021 on the activities of Department of Decommissioning and Waste Management (April 1, 2021 - March 31, 2022)

Department of Decommissioning and Waste Management

JAEA-Review 2023-001, 136 Pages, 2023/06

JAEA-Review-2023-001.pdf:10.65MB

This report describes the activities of Department of Decommissioning and Waste Management (DDWM) in Nuclear Science Research Institute (NSRI) in the period from April 1, 2021 to March 31, 2022. The report covers organization and missions of DDWM, outline and operation/maintenance of facilities which belong to DDWM, treatment and management of radioactive wastes, decommissioning activities, and related research and development activities which were conducted in DDWM. In FY2021 radioactive wastes generated from R&D activities in NSRI were treated safely. They were about 206 m$$^{3}$$ of combustible solid wastes and 155 m$$^{3}$$ of noncombustible solid wastes and 113 m$$^{3}$$ of liquid wastes. After adequate treatment, 760 waste packages (in 200 L-drum equivalent) were generated. The total amounts of accumulated waste packages were 126,827 as of the end of FY2021 due to efforts of the restitution of waste packages to the Japan Radioisotope Association and volume reduction treatments of the stored waste packages. Decommissioning activities were carried out for the JAEA's Reprocessing Test Facility (JRTF), the Liquid Waste Treatment Facilities, the Compaction Facilities, and Fusion Neutronics Source (FNS) facilities. As for the R&D activities, studies on radiochemical analyses of wastes for disposal were continued. In order to pass the conformity review on the New Regulatory Requirements for waste management facilities, the Approval of the design and construction method was applied sequentially for the Nuclear Regulation Authority. The ministry of the Environment and Tokai-mura office requested JAEA to dispose of the contaminated soil generated by the accident of the Fukushima Daiichi Nuclear Power Station. The monitoring work at the playground was conducted during this period.

JAEA Reports

Annual report for FY2020 on the activities of Department of Decommissioning and Waste Management (April 1, 2020 - March 31, 2021)

Department of Decommissioning and Waste Management

JAEA-Review 2022-001, 112 Pages, 2022/06

JAEA-Review-2022-001.pdf:6.51MB

This report describes the activities of Department of Decommissioning and Waste Management (DDWM) in Nuclear Science Research Institute (NSRI) in the period from April 1, 2020 to March 31, 2021. The report covers organization and missions of DDWM, outline and operation/maintenance of facilities which belong to DDWM, treatment and management of radioactive wastes, decommissioning activities, and related research and development activities which were conducted in DDWM. In FY2020 radioactive wastes generated from R&D activities in NSRI were treated safely. They were about 267 m$$^{3}$$ of combustible solid wastes and 233 m$$^{3}$$ of noncombustible solid wastes and 78 m$$^{3}$$ of liquid wastes. After adequate treatment, 1,448 waste packages (in 200 L-drum equivalent) were generated. The total amounts of accumulated waste packages were 130,604 as of the end of FY2020 due to efforts of the restitution of waste packages to the Japan Radioisotope Association and volume reduction treatments of the stored waste packages. Decommissioning activities were carried out for the JAEA's Reprocessing Test Facility (JRTF), the Liquid Waste Treatment Facilities, the Compaction Facilities, and Fusion Neutronics Source (FNS) facilities. As for the R&D activities, studies on radiochemical analyses of wastes for disposal were continued. In order to pass the conformity review on the New Regulatory Requirements for waste management facilities, the Approval of the design and construction method was applied sequentially for the Nuclear Regulation Authority. The ministry of the Environment and Tokai-mura office requested JAEA to dispose of the contaminated soil generated by the accident of the Fukushima Daiichi Nuclear Power Station. The monitoring work at the playground was conducted during this period.

JAEA Reports

Annual report for FY2019 on the activities of Department of Decommissioning and Waste Management (April 1, 2019 - March 31, 2020)

Department of Decommissioning and Waste Management

JAEA-Review 2021-002, 105 Pages, 2021/05

JAEA-Review-2021-002.pdf:9.68MB

This report describes the activities of Department of Decommissioning and Waste Management (DDWM) in Nuclear Science Research Institute (NSRI) in the period from April 1, 2019 to March 31, 2020. The report covers organization and missions of DDWM, outline and operation/maintenance of facilities which belong to DDWM, treatment and management of radioactive wastes, decommissioning activities, and related research and development activities which were conducted in DDWM. In FY2019 radioactive wastes generated from R&D activities in NSRI were treated safely. They were about 323 m$$^{3}$$ of noncombustible solid wastes and 111 m$$^{3}$$ of liquid wastes. After adequate treatment, 2,588 waste packages (in 200 L-drum equivalent) were generated. The total amounts of accumulated waste packages were 130,223 as of the end of FY2019 due to efforts of the restitution of waste packages to the Japan Radioisotope Association and volume reduction treatments of the stored waste packages. Decommissioning activities were carried out for the JAEA's Reprocessing Test Facility (JRTF), the Liquid Waste Treatment Facilities, the Decontamination Facilities, and Fusion Neutronics Source (FNS) facilities. As for the R&D activities, studies on radiochemical analyses of wastes for disposal were continued. In order to pass the conformity review on the New Regulatory Requirements for waste management facilities, the Approval of the design and construction method was applied sequentially for the Nuclear Regulation Authority. The ministry of the Environment and Tokai-mura office requested JAEA to dispose of the contaminated soil generated by the accident of the Fukushima Daiichi Nuclear Power Plant. The monitoring work at the playground was conducted during this period.

JAEA Reports

Annual report for FY2018 on the activities of Department of Decommissioning and Waste Management (April 1, 2018 - March 31, 2019)

Department of Decommissioning and Waste Management

JAEA-Review 2020-012, 103 Pages, 2020/08

JAEA-Review-2020-012.pdf:8.17MB

This report describes the activities of Department of Decommissioning and Waste Management (DDWM) in Nuclear Science Research Institute (NSRI) in the period from April 1, 2018 to March 31, 2019. The report covers organization and missions of DDWM, outline and operation/maintenance of facilities which belong to DDWM, treatment and management of radioactive wastes, decommissioning activities, and related research and development activities which were conducted in DDWM.

JAEA Reports

Annual report for FY2017 on the activities of Department of Decommissioning and Waste Management (April 1, 2017 - March 31, 2018)

Department of Decommissioning and Waste Management

JAEA-Review 2019-011, 91 Pages, 2019/10

JAEA-Review-2019-011.pdf:5.25MB

This report describes the activities of Department of Decommissioning and Waste Management (DDWM) in Nuclear Science Research Institute (NSRI) in the period from April 1, 2017 to March 31, 2018. The report covers organization and missions of DDWM, outline and operation/maintenance of facilities which belong to DDWM, treatment and management of radioactive wastes, decommissioning activities, and related research and development activities which were conducted in DDWM.

JAEA Reports

Annual report for FY2016 on the activities of Department of Decommissioning and Waste Management (April 1, 2016 - March 31, 2017)

Department of Decommissioning and Waste Management

JAEA-Review 2018-008, 87 Pages, 2018/07

JAEA-Review-2018-008.pdf:2.67MB

This report describes the activities of Department of Decommissioning and Waste Management (DDWM) in Nuclear Science Research Institute (NSRI) in the period from April 1, 2016 to March 31, 2017. The report covers organization and missions of DDWM, outline and operation/maintenance of facilities which belong to DDWM, treatment and management of radioactive wastes, decommissioning activities, and related research and development activities which were conducted in DDWM.

JAEA Reports

Annual report for FY2015 on the activities of Department of Decommissioning and Waste Management (April 1, 2015 - March 31, 2016)

Department of Decommissioning and Waste Management

JAEA-Review 2016-029, 90 Pages, 2017/02

JAEA-Review-2016-029.pdf:8.54MB

This report describes the activities of Department of Decommissioning and Waste Management (DDWM) in Nuclear Science Research Institute (NSRI) in the period from April 1, 2015 to March 31, 2016. The report covers organization and missions of DDWM, outline and operation/maintenance of facilities which belong to DDWM, treatment and management of radioactive wastes, decommissioning activities, and related research and development activities which were conducted in DDWM.

JAEA Reports

Annual report for FY2014 on the activities of Department of Decommissioning and Waste Management (April 1, 2014 - March 31, 2015)

Department of Decommissioning and Waste Management

JAEA-Review 2015-036, 87 Pages, 2016/03

JAEA-Review-2015-036.pdf:4.02MB

This report describes the activities of Department of Decommissioning and Waste Management (DDWM) in Nuclear Science Research Institute (NSRI) in the period from April 1, 2014 to March 31, 2015. The report covers organization and missions of DDWM, outline and operation/maintenance of facilities which belong to DDWM, treatment and management of radioactive wastes, decommissioning activities, and related research and development activities which were conducted in DDWM.

JAEA Reports

Annual report for FY2013 on the activities of Department of Decommissioning and Waste Management (April 1, 2013 - March 31, 2014)

Department of Decommissioning and Waste Management

JAEA-Review 2015-004, 90 Pages, 2015/03

JAEA-Review-2015-004.pdf:17.29MB

This report describes the activities of Department of Decommissioning and Waste Management (DDWM) in Nuclear Science Research Institute (NSRI) in the period from April 1, 2013 to March 31, 2014. The report covers organization and missions of DDWM, outline and operation/maintenance of facilities which belong to DDWM, treatment and management of radioactive wastes, decommissioning activities, and related research and development activities which were conducted in DDWM.

JAEA Reports

Annual report for FY2012 on the activities of Department of Decommissioning and Waste Management (April 1, 2012 - March 31, 2013)

Department of Decommissioning and Waste Management

JAEA-Review 2013-061, 98 Pages, 2014/03

JAEA-Review-2013-061.pdf:29.91MB

This report describes the activities of Department of Decommissioning and Waste Management (DDWM) in Nuclear Science Research Institute (NSRI) in the period from April 1, 2012 to March 31, 2013. The report covers organization and missions of DDWM, outline and operation/maintenance of facilities which belong to DDWM, treatment and management of radioactive wastes, decommissioning activities, and related research and development activities which were conducted in DDWM. Repair works for the damages of the facilities caused by the Great East Japan Earthquake were carried out. Supporting activities against the severe contamination of lands caused by the Fukushima Daiichi accident were also performed.

JAEA Reports

Annual report for FY2011 on the activities of Department of Decommissioning and Waste Management (April 1, 2011 - March 31, 2012)

Department of Decommissioning and Waste Management

JAEA-Review 2013-031, 114 Pages, 2013/12

JAEA-Review-2013-031.pdf:49.57MB

This reports described the activities of Department of Decommissioning and Waste Management (DDWM) in Nuclear Science Research Institute (NSRI) in the period from April 1, 2011 to March 31, 2012. The report covers organization and missions of DDWM, outline and operation/maintenance of facilities which belong to DDWM, treatment and management of radioactive wastes, decommissioning activities, and related research and development activities which were conducted in DDWM.

JAEA Reports

Annual report for FY2010 on the activities of Department of Decommissioning and Waste Management (April 1, 2010 - March 31, 2011)

Department of Decommissioning and Waste Management

JAEA-Review 2013-029, 105 Pages, 2013/11

JAEA-Review-2013-029.pdf:10.51MB

This report describes the activities of Department of Decommissioning and Waste Management (DDWM) in Nuclear Science Research Institute (NSRI) in the period from April 1, 2010 to March 31, 2011. The report covers organization and missions of DDWM, operation and maintenance of facilities which belong to DDWM, treatment and management of radioactive wastes, decommissioning activities, and related research and development activities which were conducted by DDWM.

JAEA Reports

Annual report for FY2009 on the activities of Department of Decommissioning and Waste Management (April 1, 2009 - March 31, 2010)

Department of Decommissioning and Waste Management

JAEA-Review 2013-010, 107 Pages, 2013/06

JAEA-Review-2013-010.pdf:4.43MB

This report describes the activities of Department of Decommissioning and Waste Management (DDWM) in Nuclear Science Research Institute (NSRI) in the period from April 1, 2009 to March 31, 2010. The report covers organization and missions of DDWM, operation and maintenance of facilities which belong to DDWM, treatment and management of radioactive wastes, decommissioning activities, and related research and development activities which were conducted by DDWM.

JAEA Reports

Annual report for FY2008 on the activities of Department of Decommissioning and Waste Management (April 1, 2008 - March 31, 2009)

Department of Decommissioning and Waste Management

JAEA-Review 2010-020, 93 Pages, 2010/06

JAEA-Review-2010-020.pdf:3.78MB

This reports described the activities of Department of Decommissioning and Waste Management in Nuclear Science Research Institute in the period from April 1, 2008 to March 31, 2009. In this period, 519 m$$^{3}$$ of solid wastes and 314 m$$^{3}$$ of liquid wastes were treated. Then 2,391 waste packages were generated and total accumulated waste packages amounted to 136,971. Development of record keeping system for land burial and design of new management system for mid-level waste packages were conducted. Decommissioning plan for the JAEA's Reprocessing Test Facility (JRFT), the Ceramic Fuel Laboratory, the Plutonium Laboratory No.2, the Metallurgical Laboratory, Isotope Separation Laboratory and Reprocessing Test Laboratory were carried out. Studies were conducted on radiochemical analyses of wastes, JRFT decommissioning technologies and waste volume reduction. The method of nuclide measuring for the clearance was approved. And removing of liquid waste pipeline was started.

JAEA Reports

Annual report for FY2007 on the activities of Department of Decommissioning And Waste Management (April 1, 2007 - March 31, 2008)

Department of Decommissioning and Waste Management

JAEA-Review 2009-007, 99 Pages, 2009/06

JAEA-Review-2009-007.pdf:12.4MB

This reports described the activities of Department of Decommissioning and Waste Management (DDWM) in the period from April 1, 2007 to March 31, 2008. In FY2007 radioactive wastes generated from R&D activities were about 371 m$$^{3}$$ of combustible solid wastes, 152 m$$^{3}$$ of noncombustible solid wastes and 510 m$$^{3}$$ of liquid wastes. After adequate treatment 2,111 waste packages were generated. Two new approaches were conducted for radioactive waste management: development of record keeping system for land burial and a new management system for mid-level radioactive waste packages. Decommissioning activities were carried out as planned for the JAEA's Reprocessing Test Facility, the Ceramic Fuel Laboratory, the Plutonium Laboratory No.2 and the Metallurgical Laboratory. As for the R&D activities, studies were conducted on radiochemical analyses of wastes for land burial, and decommissioning. As for the clearance was applied for approval of nuclide measureing.

JAEA Reports

Annual report for FY2006 on the activities of Department of Decommissioning and Waste Management (October 1, 2005 - March 31, 2007)

Department of Decommissioning and Waste Management

JAEA-Review 2007-056, 179 Pages, 2008/03

JAEA-Review-2007-056.pdf:26.77MB

This reports described activities of Department of Decommissioning and Waste Management (DDWM) in Nuclear Science Research Institute (NSRI) from October 1, 2006 to March 31, 2007. The report covers outline of facilities, treatment and management of radioactive wastes, decommissioning activities, and related R&D activities. In FY2006 radioactive wastes generated mainly from R&D activities in NSRI were treated safely. They were 393m$$^{3}$$ of combustible solid wastes, 152m$$^{3}$$ of noncombustible solid wastes and 493m$$^{3}$$ of liquid wastes. 1,596 waste packages (in 200L-drum equivalent) were generated and totally 134,466 drums were stored as of the end of FY2006. Decommissioning activities were carried out for the JAEA's Reprocessing Test Facility and the Ceramic Fuel Laboratory. As for the R&D activities, studies were conducted on radiochemical waste analyses, clearance, decommissioning technologies and waste management.

JAEA Reports

Investigation report on the ruptured glove of ash removing room in the waste treatment building No.1 in JAERI Tokai Research Establishment

JAERI's Internal Investigation Group on the Ruptured Glove; Department of Decommissioning and Waste Management

JAERI-Review 2002-017, 121 Pages, 2002/09

JAERI-Review-2002-017.pdf:13.36MB

On November 21st, 2001, the glove rupture arose at an incinerator of Waste Treatment Building No.1 in JAERI Tokai Research Establishment. In order to examine the cause and recurrence prevention measure of the rupture, JAERI's Internal Investigation Group on the Ruptured Glove investigated the conditions of the incinerator including ash removing equipment and the glove, types and properties of waste which was incinerated on that day, and background factor of the trouble in cooperation with Department of Decommissioning and Waste Management.As the result, the causes of the rupture were that the solidification of liquid scintillator waste was insufficient, that the protective cover of the glove does not have pressure resistance and the degraded glove was used. For preventing the recurrence of the trouble, the direct confirmation of the solidification condition, the installation of protective cover for the glove, the improvement of the management of the glove, review of manuals and education and training were carried out.

JAEA Reports

Activities and present status of participating projects in the OECD/NEA decommissioning co-operative program (Contract research)

Department of Decommissioning and Waste Management

JAERI-Review 2000-013, 49 Pages, 2000/09

JAERI-Review-2000-013.pdf:3.26MB

no abstracts in English

JAEA Reports

Health Physics in JAERI, No.34; April 1, 1991 - March 31, 1992

Department of Health Physics; ; Safety Division, Naka; Safety Division, Takasaki; ; ; Operation Safety Administration Division, Mutsu; ;

JAERI-M 92-144, 301 Pages, 1992/10

JAERI-M-92-144.pdf:8.94MB

no abstracts in English

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