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Bibliografias temáticas / Environmental management Japan

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Literatura científica selecionada sobre o tema "Environmental management Japan"

Autor: Grafiati

Publicado: 4 de junho de 2021

Última modificação: 1 de fevereiro de 2022

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Artigos de revistas sobre o assunto "Environmental management Japan"

1

Matsuo, T. "Japanese experiences of environmental management". Water Science and Technology 47, n.º 1 (1 de janeiro de 2003): 7–14. http://dx.doi.org/10.2166/wst.2003.0003.

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Japan experienced a very rapid industrialization and economic growth in the era of income doubling in 1960s and at the same time Japan experienced very severe damage from various types of environmental pollution. In this paper, historical development of population, GNP, energy consumption with classification of petroleum, coal and electric power, and CO2 emission are introduced as basic background data on Japanese development. The tragic experience of Minamata disease and Itai-itai disease caused by methyl mercury and cadmium, respectively, are introduced. In two tables, historical development of water pollution and air pollution are summarized. Regarding solid wastes management, the total mass balance in Japan and recent development in legislation framework for enhancement of recycling of wastes are introduced briefly.

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Barrett, Brendan. "Integrated Environmental Management—Experience in Japan". Journal of Environmental Management 40, n.º 1 (janeiro de 1994): 17–32. http://dx.doi.org/10.1006/jema.1994.1002.

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The Research Group for Water Balanc. "Environmental management of groundwater basins in Japan." Journal of the Geological Society of Japan 101, n.º 10 (1995): 783–94. http://dx.doi.org/10.5575/geosoc.101.783.

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Oguri, H. H., H. Kaburaki e K. Moriyama. "Environmental Management for Limestone Quarries in Japan". Journal American Society of Mining and Reclamation 1988, n.º 2 (1988): 173–78. http://dx.doi.org/10.21000/jasmr88020173.

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5

Kitagaki, Kunihiko. "Management for School Environmental Health in Japan". YAKUGAKU ZASSHI 136, n.º 6 (1 de junho de 2016): 779–82. http://dx.doi.org/10.1248/yakushi.15-00285-1.

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TSUZUKI, Teruhisa, Mari ASAMI, Chiho WATANABE e Tamie NASU. "Environmental Risks and Their Management That Japan Faces". TRENDS IN THE SCIENCES 24, n.º 10 (1 de outubro de 2019): 10_53–10_55. http://dx.doi.org/10.5363/tits.24.10_53.

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Morioka, Tohru, Lai Chee Keong e Noboru Yoshida. "Quality of Environmental Management and Auditing Systems in Japan". ENVIRONMENTAL SYSTEMS RESEARCH 23 (1995): 128–33. http://dx.doi.org/10.2208/proer1988.23.128.

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贾, 倩. "Analysis of Environmental Management and Disaster Emergency in Japan". Advances in Environmental Protection 05, n.º 06 (2015): 175–80. http://dx.doi.org/10.12677/aep.2015.56023.

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Nakamaru, Hironobu. "Trends and future issues of environmental management in Japan". Asian Business & Management 9, n.º 2 (26 de maio de 2010): 189–207. http://dx.doi.org/10.1057/abm.2010.2.

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Radha Krishnan, A., e Malcolm Tull. "Resource use and environmental management in Japan, 1890-1990". Australian Economic History Review 34, n.º 2 (1 de janeiro de 1994): 3–23. http://dx.doi.org/10.1111/aehr.342001.

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Teses / dissertações sobre o assunto "Environmental management Japan"

1

Lam, Lai Fong Janna. "Zero emission management". Title page, table of contents and abstract only, 2001. http://web4.library.adelaide.edu.au/theses/09ENV/09envl213.pdf.

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Asahara, Tatsuhiko 1964. "Customer service quality management in the construction industry : a comparative study of the U.S. and Japan". Thesis, Massachusetts Institute of Technology, 1992. http://hdl.handle.net/1721.1/12827.

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3

Barrett, Brendan F. D. "Local Agenda 21 and environmental management in Japan and the United Kingdom : from fragmentation to integration". Thesis, Oxford Brookes University, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.364092.

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4

Philipoom, Patrick Robert. "Overlaying the just-in-time with Kanban system on an American production environment". Diss., Virginia Polytechnic Institute and State University, 1986. http://hdl.handle.net/10919/71173.

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During the past several years, the publicized successes of Japanese production management techniques have created an interest in the potential of these techniques for application in an American manufacturing environment. One such Japanese technique that has been the focus of much attention from American manufacturers and production managers is the "just-in-time (JIT)" technique implemented with "Kanbans.”¹ However, the applications of the JIT technique in Japan that have been reported have been for large scale assembly line operations that, in general, encompass the unique physical and philosophical characteristics typical of Japanese production systems. The factors that contribute to the success of the JIT system in Japan are frequently not exhibited in manufacturing systems in the United States, especially in American systems that combine assembly and shop-type operations and encompass a high degree of system variability. As such, it is questionable whether the JIT technique can be successfully adapted to American manufacturing systems~that do not display the characteristics of Japanese production operations. Nevertheless, a number of American manufacturing companies, in hope of achieving at least some of the Japanese success in inventory control, quality control and production scheduling, have begun implementing the JIT technique in their own unique production environment. The purpose of this dissertation is to investigate implementing JIT in a non-Japanese production environment and to show how JIT can be adapted so that it can have a broader range of applicability, especially under the particular set of conditions that are very likely to exist in many American production environments. ¹Toyota uses a system of cards, called Kanbans, to control inventory and schedule production in their automotive assembly plants.
Ph. D.

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Moriarty, Andrew J. "Ecology and environmental impact of Javan rusa deer (Cervus timorensis russa) in the Royal National Park". View thesis, 2004. http://handle.uws.edu.au:8081/1959.7/41096.

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Thesis (Ph.D.)--University of Western Sydney, 2004.
A thesis presented to the University of Western Sydney, College of Science, Technology and Environment, School of Science, Food and Horticulture, in fulfilment of the requirements for the degree of Doctor of Philosophy. Includes bibliographies.

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Zaheer, Srilata A. (Srilata Akbar). "Organizational context and risk-taking in a global environment : a study of foreign-exchange trading rooms in the U.S. and Japan". Thesis, Massachusetts Institute of Technology, 1992. http://hdl.handle.net/1721.1/13071.

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7

Ishibashi, Yoshimi. "Cross cultural comparison between the United States and Japan: Executive traits". CSUSB ScholarWorks, 2007. https://scholarworks.lib.csusb.edu/etd-project/3392.

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This study examined comparisons of gender stereotypes of executives in two cultures, American and Japanese. Undergraduate students in Japan and the U.S. estimated the extent to which executives in general, male and female exectuives possessed person-oriented and task-oriented leadership traits.

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Norhidayah, Binti Abdull. "Model Simulation and Health Risk Assessment on Traffic-Induced Air Pollution in Urban Environments：A Case Study of Kyoto City, Japan". Doctoral thesis, Kyoto University, 2020. http://hdl.handle.net/2433/259034.

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京都大学
0048
新制・課程博士
博士(工学)
甲第22766号
工博第4765号
新制||工||1745(附属図書館)
京都大学大学院工学研究科都市環境工学専攻
(主査)教授米田稔, 教授高野裕久, 准教授藤森真一郎
学位規則第4条第1項該当
Doctor of Philosophy (Engineering)
Kyoto University
DFAM

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9

Hansen, Florian. "The impact of corporate environmental management on the cost of debt financing: evidence from Europe, Japan and Australia". Master's thesis, 2018. http://hdl.handle.net/10362/36556.

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This study investigates the impact of the corporate environmental management on firms’ cost of debt financing. Using environmental scores issued by Thomas Reuters on 138 firms in Europe from 2007 to 2016, I find that environmental performance has a negative relationship with the cost of debt financing. This relationship holds in Europe and for bonds whose maturity is higher than five years. However, the economic significance of this relationship is modest, suggesting that the environmental management has a minor influence on firms’ risk. Those results are robust to alternative model specifications and industry membership.

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"A study on Japan's industrial relations under the changing economic environment". Chinese University of Hong Kong, 1995. http://library.cuhk.edu.hk/record=b5888320.

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by Loi Chi-ho.
Thesis (M.B.A.)--Chinese University of Hong Kong, 1995.
Includes bibliographical references (leaves 54-58).
ABSTRACT --- p.iii
TABLE OF CONTENTS --- p.iv
ACKNOWLEDGMENTS --- p.vi
CHAPTER
Chapter 1. --- INTRODUCTION --- p.1
Chapter 1.1 --- Lifetime Employment --- p.3
Chapter 1.2 --- Seniority-Based Promotion System --- p.4
Chapter 1.3 --- Enterprise Unionism --- p.5
Chapter 2. --- THE STRUCTURE OF THE LABOUR SYSTEM --- p.7
Chapter 2.1 --- "The Definition of ""Employee""" --- p.8
Chapter 2.2 --- The Origin of Shushin Koyo --- p.10
Chapter 2.3 --- Nenko Joretsu: A Base of Integration --- p.15
Chapter 2.4 --- Enterprise Union: The Linkage with Kaisha --- p.19
Chapter 3. --- THE CHANGING ENVIRONMENT --- p.23
Chapter 3.1 --- Changes in Economic Environment --- p.24
Chapter 3.2 --- Demographic Changes --- p.26
Chapter 3.3 --- The Changing Work Ethic --- p.28
Chapter 3.4 --- Mid-lifetime Employment Crisis --- p.31
Chapter 4. --- THE FUTURE PATTERN --- p.36
Chapter 4.1 --- Can Shushin Koyo Be Continued? --- p.37
Chapter 4.2 --- Nenko Joretsu: The Product of Old Generation? --- p.40
Chapter 4.3 --- Enterprise Unions: Will the Linkage continue? --- p.43
Chapter 4.3.1 --- Japanese Labour System in the 21st Century --- p.44
Chapter 5. --- CONCLUSIONS --- p.48
APPENDIX --- p.51
BIBLIOGRAPHY --- p.54

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Livros sobre o assunto "Environmental management Japan"

1

Ueta, Kazuhiro. Environmental risk management: Lead in Japan. London: University College, 1985.

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2

Environment in Japan. Tokyo: Foreign Press Center, Japan, 2001.

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3

The political economy of the environment: The case of Japan. London: Athlone Press, 1999.

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4

U.S.-Japan Meeting on Aquaculture (21st 1992 Kyoto, Japan). Environmental management in aquaculture: Proceedings of the Twenty-first U.S.-Japan Meeting on Aquaculture, Kyoto, Japan, November 26 and 27, 1992. Editado por Tanaka Kunizo, Yōshoku Kenkyūjo (Japan) e Japan Suisanchō. [Tamaki, Watarai, Mie, Japan]: National Research Institute of Aquaculture, 1994.

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5

Barrett, Brendan F. D. Local agenda 21 and environmental management in Japan and the United Kingdom. Oxford: Oxford Brookes University, 1997.

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6

NIMBY politics in Japan: Energy siting and the management of environmental conflict. Ithaca: Cornell University Press, 1998.

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7

Prüfer, Christopher B. Zivilrechtliche Umwelthaftung und Schutzmassnahmen für das Management von Unternehmen: Eine Studie über zivilrechtliche Umwelthaftungsbestimmungen in Japan und Deutschland. Hamburg: Deutsch-Japanische Juristenvereinigung, 1999.

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8

International Shiga Forum on Technology for Water Management in the 21st century (1996 Shiga-ken, Japan). Proceedings: Implemented by Shiga Prefecture UNEP International Environmental Technology Centre (IETC) in collaboration with Environment Agency-Government of Japan-International Lake Environment Committee Foundation (ILEC). Osaka/Shiga: UNEP International Environmental Technology Centre, 1998.

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9

(2003), JEPIX Forum. JEPIX Forum 2003: Practical application of JEPIX : method for ecological accounting and life cycle impact assessment for Japan based on the EcoScarcity Principle : 1st report (2003-04) of 21st century COE (Centre of Excellence) study program of Ministry of Education and Culture. Mitaka, Tokyo: International Christian University Social Science Research Institute, 2004.

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10

Japan) International Symposium on Eco-Materials Processing & Design (14th 2013 Kagoshima. Eco-materials processing and design XIV: Selected, peer reviewed papers from the 14th International Symposium on Eco-materials Processing & Design (ISEPD), January 15-18, 2013, Kagoshima, Japan. Durnten-Zurich, Switzerland: Trans Tech Publications, 2013.

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Capítulos de livros sobre o assunto "Environmental management Japan"

1

Hitchens, David M. W. N., Jens Clausen e Klaus Fichter. "Valdez Society, Japan". In International Environmental Management Benchmarks, 277. Berlin, Heidelberg: Springer Berlin Heidelberg, 1999. http://dx.doi.org/10.1007/978-3-642-58442-8_33.

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Mineharu, Yohei, Yasushi Takagi e Susumu Miyamoto. "Significance of RNF213 in Clinical Management in Japan". In Current Topics in Environmental Health and Preventive Medicine, 137–50. Singapore: Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-2711-6_11.

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3

Kokubu, Katsuhiko, Eriko Nashioka, Koichiro Saio e Shinichi Imai. "Two Governmental Initiatives on Environmental Management Accounting and Corporate Practices in Japan". In Environmental Management Accounting — Purpose and Progress, 89–113. Dordrecht: Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-010-0197-7_6.

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4

Burritt, Roger L., Stefan Schaltegger, Katsuhiko Kokubu e Marcus Wagner. "Environmental Management Accounting for Staff Appraisal: Evidence from Australia, Germany and Japan". In Environmental Management Accounting — Purpose and Progress, 151–88. Dordrecht: Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-010-0197-7_9.

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Yoshida, Fumikazu. "Environmental Cleanup and Cost Bearing: The Methodological Problems". In The Economics of Waste and Pollution Management in Japan, 9–17. Tokyo: Springer Japan, 2002. http://dx.doi.org/10.1007/978-4-431-67032-2_2.

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Sakai, Nobumitsu, e Minoru Yoneda. "Transition of Hazardous Chemical Management and Environmental Risk Management and Evaluation in Japan". In Environmental Risk Analysis for Asian-Oriented, Risk-Based Watershed Management, 145–61. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-8090-6_11.

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Osawa, Jun, e Masaru Nakano. "Economic and Environmental Impacts on the Portfolio of Clean Energy Vehicles in Japan". In Advances in Production Management Systems: Innovative Production Management Towards Sustainable Growth, 353–60. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-22759-7_41.

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Shimada, Yoko. "A History of Water Quality Monitoring System in Japan". In Environmental Risk Analysis for Asian-Oriented, Risk-Based Watershed Management, 163–68. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-8090-6_12.

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Shrestha, K. L., e A. Kondo. "Assessment of the Water Resource of the Yodo River Basin in Japan Using a Distributed Hydrological Model Coupled with WRF Model". In Environmental Management of River Basin Ecosystems, 137–60. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-13425-3_8.

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Yamane, Masanobu. "Forest Management and Water Resource Conservation: Cost-Sharing Systems between Upstream and Downstream Communities in Japan". In Institute for Global Environmental Strategies, 321–36. Dordrecht: Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-017-2554-5_21.

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Trabalhos de conferências sobre o assunto "Environmental management Japan"

1

NISHIJIMA, YOICHI. "ISO14000 Environmental Management and preservation of global environment in Japan". In Proceedings of the Third Asia-Pacific Conference. WORLD SCIENTIFIC, 2000. http://dx.doi.org/10.1142/9789812791924_0008.

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2

Yan, Ping. "Importance of Environmental Education for Raising Environmental Consciousness in Japan". In 2010 International Conference on Management and Service Science (MASS 2010). IEEE, 2010. http://dx.doi.org/10.1109/icmss.2010.5577620.

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Saito, Hiroshi, e Tomihiro Taki. "Environmental Remediation Activities at the Ningyo-Toge Uranium Mine, Japan". In ASME 2010 13th International Conference on Environmental Remediation and Radioactive Waste Management. ASMEDC, 2010. http://dx.doi.org/10.1115/icem2010-40005.

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Ningyo-toge Uranium Mine is subject to the environmental remediation. The main purposes are to take measures to ensure the radiation protection from the exposure pathways to humans in future, and to prevent the occurrence of mining pollution. The Mill Tailings Pond in the Ningyo-toge Uranium Mine has deposited mining waste and impounded water as a buffer reservoir before it is transferred to the Water Treatment Facility. It is located at the upstream of the water-source river, and therefore, for the environmental remediation, the highest priority has been put to it among many facilities in the Mine. So far, basic concept has been examined and planning has been carried out for the remediation. Also, a great number of data has been acquired, and using the data, some remediation activities have already begun, including designing for the upstream part of the Mill Tailings Pond. According to the current plan, the Mill Tailings Pond will be covered by capping following dewatering and compressing of mill tailings. The capping is composed of “radon barrier” for lowering radon-gas dissipation and dose rate, and its protection layer. Natural materials are planned to be used for the capping to alleviate the future maintenance. After capping, data will be accumulated to verify the effectiveness of the capping, and if proved effective, it will be utilized for the capping of the downstream part.

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Kitayama, Kazumi. "New Safety Concept for Geological Disposal in Japan". In ASME 2009 12th International Conference on Environmental Remediation and Radioactive Waste Management. ASMEDC, 2009. http://dx.doi.org/10.1115/icem2009-16339.

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This paper describes a new safety concept for the Japanese geological disposal program, which is a development of the conventional multi-barrier system concept. The Japanese government established the ‘Nuclear Waste Management Organization of Japan’ (NUMO) as an implementation body in 2000 based on the “Final disposal act” following the publication of the “H-12 Report”, which confirmed the scientific and engineering feasibility of HLW geological disposal in Japan. Since then, NUMO has undertaken further technical developments aimed at achieving safe and efficient implementation of final disposal. The safety concept developed in the “H-12 Report” provides sufficient safety on the basis of site-generic considerations. However, it is considered to be over-conservative and therefore does not represent the most probable performance of the engineered or natural barriers. Recently, concrete measures have been proposed requiring the safety case to be presented in terms of a realistic assessment of the most probable performance. This approach takes into account the safety functions of both engineered and natural barriers as well as the long-term static geochemical equilibrium. In particular, the evolution of the safety performance of engineered and natural barriers can be efficiently augmented by the realistic long-term geochemical equilibrium.

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Yoshino, Keizaburou. "Tokai-1 Decommissioning Project: The First Challenge in Japan". In ASME 2010 13th International Conference on Environmental Remediation and Radioactive Waste Management. ASMEDC, 2010. http://dx.doi.org/10.1115/icem2010-40253.

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Tokai-1 is the oldest and historical commercial Magnox reactor in Japan, which had started commercial operation in 1966. The unit had helped introduction and establishment of the construction and operation technologies regarding nuclear power plant at early stage in Japan by its construction and operating experiences. However, The Japan Atomic Power Company (JAPC), the operator and owner of Tokai-1, decided to cease its operation permanently because of a fulfillment of its mission and economical reason. The unit was finally shut down in March 1998 after about 32 year operation. It took about three years for removal of all spent fuels from the site, and then decommissioning started in 2001. JAPC, always on the forefront of the nation’s nuclear power generation, is now grappling Japan’s first decommissioning of a commercial nuclear power plant, striving to establish effective, advanced decommissioning. The decommissioning for Tokai-1 was scheduled as 20 years project. At the beginning, the reactor was started to be in a static condition for ten years (“safe storage period”). While the reactor had been safely stored, the phased decommissioning works started from non-radioactive or low radioactive equipments toward high radioactive equipments. First five years of the project, JAPC concentrated to drain and clean spent fuel cartridge cooling pond and to remove conventional equipments such as turbine, feed water pump and fuel charge machine as planed and budgeted. From 2006, the project came into new phase. JAPC has been trying to remove four Steam Raising Units (SRUs). The SRUs are huge component (750ton, φ 6.3m, H24.7m) of the Gas Cooling Reactor (GCR) and inside of the SRUs are radioactively contaminated. Major concerns are workers safety and minimizing contamination areas during SRU removal. Therefore, JAPC is developing and introducing Jack-down method and remote control multi-functional dismantling system. This method is to cut and remove the SRUs in turn from the bottom to top remotely while lifting the SRU by a large jack system. The system enables cutting and holding not only the SRU body but also internals. This technology and experiences would be useful for the reactor removal in the near future.

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Nakayama, Shinichi, Yoshio Watanabe e Masami Kato. "Regulatory Research for Geological Disposal of High-Level Radioactive Waste in Japan". In ASME 2010 13th International Conference on Environmental Remediation and Radioactive Waste Management. ASMEDC, 2010. http://dx.doi.org/10.1115/icem2010-40116.

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The Nuclear and Industrial Safety Agency of the Ministry of Economy, Trade and Industry (NISA) has renewed its regulatory role and its need for regulatory research on radioactive waste management, with recent circumstances of radioactive waste management in Japan being taken into consideration. In response, a technical supporting organization, the Japan Nuclear Energy Safety Organization (JNES), in 2009 released the five-year research plan “Regulatory Research Plan on Radioactive Waste Management 2010–2014”, in cooperation with the research institutes of the Japan Atomic Energy Agency (JAEA) and the National Institute of Advanced Industrial Science and Technology (AIST). The geological disposal research plan and the future research activities are outlined in this paper. JNES launched safety studies on geological disposal in 2003, the year it was established. JAEA and AIST joined as regulatory support research institutes in 2005. In October 2007, all three parties signed an agreement of cooperative study on geological disposal, which facilitated joint studies and exchanges of staff, data, and results. One of the ongoing joint studies has focused on regional-scale hydrogeological modeling using JAEA’s Horonobe Underground Research Laboratory.

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Shimada, J., K. Ichiyanagi, M. Kagabu, S. Saita e K. Mori. "Effect of Artificial Recharge Using Abandoned Rice Paddies for Sustainable Groundwater Management in Kumamoto, Japan". In World Environmental And Water Resources Congress 2012. Reston, VA: American Society of Civil Engineers, 2012. http://dx.doi.org/10.1061/9780784412312.007.

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Kitayama, Kazumi. "A New Safety Concept for Geological Disposal in Japan (II)". In ASME 2011 14th International Conference on Environmental Remediation and Radioactive Waste Management. ASMEDC, 2011. http://dx.doi.org/10.1115/icem2011-59357.

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This paper provides further discussion of a new defence-in-depth safety concept that was presented at ICEM09[1]. The basic idea is that it is rational to assume that the performance of passive engineered barriers with suitably chosen characteristics and the natural barrier will maintain their safety functions for a sufficiently long time due to geochemical buffering occurring deep underground, The approach can be used to enhance and embed public understanding of the long-term safety of geological disposal. This paper summarizes the logic of the approach focusing on the following topics, which are the basic themes of the new safety concept. 1. Applicability of the defence-in-depth concept to the geological disposal of radioactive waste; 2. Natural Analogue approach to explaining the long-term behaviour of the barriers; and 3. Approach for the Social Dialogue with stakeholder, which is the most important issue for site selection.

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Kawamura, Hideki, e Ian G. McKinley. "Direct Disposal of Spent Fuel: Developing Solutions Tailored to Japan". In ASME 2013 15th International Conference on Environmental Remediation and Radioactive Waste Management. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/icem2013-96066.

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With the past Government policy of 100% reprocessing in Japan now open to discussion, options for direct disposal of spent fuel (SF) are now being considered in Japan. The need to move rapidly ahead in developing spent fuel management concepts is closely related to the ongoing debate on the future of nuclear power in Japan and the desire to understand the true costs of the entire life cycle of different options. Different scenarios for future nuclear power — and associated decisions on extent of reprocessing — will give rise to quite different inventories of SF with different disposal challenges. Although much work has been carried out spent fuel disposal within other national programmes, the potential for mining the international knowledge base is limited by the boundary conditions for disposal in Japan. Indeed, with a volunteer approach to siting, no major salt deposits and few undisturbed sediments, high tectonic activity, relatively corrosive groundwater and no deserts, it is evident that a tailored solution is needed. Nevertheless, valuable lessons can be learned from projects carried out worldwide, if focus is placed on basic principles rather than implementation details.

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Ishimori, Yuu. "Radon Impact at a Remediated Uranium Mine Site in Japan". In ASME 2010 13th International Conference on Environmental Remediation and Radioactive Waste Management. ASMEDC, 2010. http://dx.doi.org/10.1115/icem2010-40092.

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This paper mainly illustrates the radon impact of the closed uranium mine site remediated in 2007. The site remediated is the waste rock site located on the steep slope of a hill about 1.5 km upstream from a residential area along a main ravine. Major remedial action was to cover these waste rock yards with weathering granite soil. The radon flux density after remediation was intended to be 0.1 Bqm−2s−1 in consideration with the natural background level around Ningyo-toge because there is no value of radon flux density regulated in Japan. Our action decreased the radon concentration in the site to natural background level, approximately from 10 to 40 Bqm−3, although relatively high concentration in excess of 100 Bqm−3 was observed before remediation. On the other hand, our action did not decrease the radon concentrations around the site in general. This fact proved that the limited source such as waste rocks affected the radon concentrations at neighboring area only. The similar tendencies were also observed in other environmental data such as radon progeny concentrations. In conclusion, these findings proved that our remedial action was successful against radon. This fact will lead to more reasonable action plans for other closed mine sites.

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