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Shinohara, Kunihiko; Takeishi, Minoru; ; ; Mizutani, Tomoko
JNC TN8440 2001-019, 141 Pages, 2001/11
JNC-TN8440-2001-019.pdf:12.69MB
This report was written about the effluent control in JNC Tokai Works from 1
April 2000 to 31 March 2001. In this period, the quantities and concentrations of retroactivities in liquid waste from Tokai Works were under the discharge limits of "Safety Regulations for the Tokai Reprocessing Plant", "Safety Regulations for the Tokai Reprocessing Plant" and regulations of government.
Maruo, Yoshihiro; ; Takeishi, Minoru; ; ; Takeyasu, Masanori;
JNC TN8440 2001-011, 146 Pages, 2001/06
JNC-TN8440-2001-011.pdf:2.98MB
Environmental radiation monitoring around the Tokai Reprocessing Plant has been performed since 1975, based on "Safety Regulations for the Tokai Reprocessing Plant, Chapter IV - Environmental Monitoring". This annual report presents the results of the environmental monitoring and the dose estimation to the hypothetical inhabitants due to the radioactivity discharged from the plant during April 2000 to March 2001. Appendices present comprehensive information, such as monitoring program, monitoring results, meteorological data and annual discharges from the plant.
Ito, Yasuhisa; Noda, Kimio; ;
JNC TN8410 2001-018, 67 Pages, 2001/04
JNC-TN8410-2001-018.pdf:2.96MB
There are waste storage pits where non-radioactive wastes generated from plutonium fuel facilities were stored in JNC Tokai Works. But radioactive wastes were found in one of the pit during wastes arrangement works. Therefore we set the pit temporary controlled area and recovered wastes from it. This report describes the radiation control technique of recovery work in detail.
Shinohara, Kunihiko; ; ; ; ; Kano, Yutaka;
JNC TN8440 2001-004, 62 Pages, 2001/02
JNC-TN8440-2001-004.pdf:4.17MB
Concerming about the action for the criticality accident in JCO Co., Ltd. (JCO) occurred at 10:35 on 30
Sept. 1999, Japan Nuclear Cycle Development Institute(JNC) established "JNC's task force" at 12:35 on the same date in conjuction with Head Office and Tokai Works. And JNC's task force had supported the government of Japan, the local governments and JCO humanly, physically and technically until the jobs of the task force was transferred to "Support Assembly for Countermeasure and Research of JCO Criticality Accident" and routine line on 12 Oct. 1999. This report compiled the results of the environmental monitoring performed by JNC based on the request from the government of Japan and the local governments.
Maruo, Yoshihiro; ; ;
JNC TN8440 2001-001, 135 Pages, 2000/12
JNC-TN8440-2001-001.pdf:4.61MB
None
Oshima, Hirofumi; Hayashi, Naomi; ; Muto, Shigeo; ; ; Watanabe, Fumitaka
JNC TN8420 99-003, 46 Pages, 1998/11
None
Sumiya, Shuichi; ; Shinohara, Kunihiko; ; ; Maruo, Yoshihiro;
PNC TN8410 92-022, 63 Pages, 1992/02
The environmental radioactivity research at PNC Tokai works has been intended to improve the radiation monitoring and the radiation dose assessment methods for Tokai reprocessing plant. This report summarizes the results of ten themes of research performed at Environmental Protection Section of Health and Safety Division from 1986 to 1990.