Case study on health assessments related to a modal shift in transportation |
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Authors: | Pingjian Liu Eiichi Kobayashi Teruo Ohsawa Mami Sakata |
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Institution: | (1) Kobe University Graduate School of Science and Technology, Kobe, Japan;(2) Faculty of Maritime Sciences, Kobe University, 5-1-1 Fukae-minami, Higashi-nada, Kobe 658-0022, Japan;(3) Faculty of Maritime Sciences, Kobe University, Kobe, Japan;(4) Present address: Japan Atomic Energy Research Institute, Ibaraki, Japan |
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Abstract: | Historically, the emphasis on environmental problems has been on visible pollution. However, as a result of the reduction
in visible pollution in recent years, many people have become anxious about invisible dangers. The method for objectively
evaluating these invisible dangers is risk assessment. Therefore, in the present study we propose and discuss a method for
evaluating the influence of a modal shift in transportation on cancer risk using the technique of risk assessment. First,
two representative transportation routes were selected for analysis. Subsequently, the level of airborne carcinogens from
the exhaust of ships and trucks was determined. Next, the concentration of each carcinogen in locations across Japan was calculated.
Finally, the number of people in Japan who will suffer from cancer related to these emissions was derived and the effects
of the modal shift on health are discussed. |
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Keywords: | Modal shift Carcinogenesis Unit risk Risk assessment |
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