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Chemical Contamination, Cleanup and Longterm Consequences of Japan's Earthquake and Tsunami

Published online by Cambridge University Press:  07 May 2025

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Abstract

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Writers Winifred A. Bird and Elizabeth Grossman followed the unfolding Tokohu disaster from their respective offices in Nagano, Japan, and Portland, Oregon. To form a picture of the damage, begin to understand how chemical contaminants and their potential health hazards are being handled after the tsunami, and assess their longterm effects, Bird visited the hard-hit prefectures of Ibaraki, Iwate, and Miyagi, while Grossman researched company and chemical information and how such issues are handled in the United States. While Japanese and international attention has focused on radiation danger associated with the meltdown at the Fukushima Daiichi reactors, chemical contamination also promises to significantly impact the region and its ability to recover.

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Research Article
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This is an Open Access article, distributed under the terms of the Creative Commons Attribution-NonCommercial-No Derivatives licence (http://creativecommons.org/licenses/by-nc-nd/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is unaltered and is properly cited. The written permission of Cambridge University Press must be obtained for commercial re-use or in order to create a derivative work.
Copyright
Copyright © The Authors 2011

References

References and Notes

1. Japan has 47 prefectures, each of which—like a U.S. state—has its own governor, laws, and legislative departments. The prefectures are divided into 8 regions. The Tohoku region, covering the northern tip of Japan's main island of Honshu, bore the brunt of the March 11 disaster. Ibaraki and Chiba prefectures, in the neighboring Kanto region to the south, also were affected.

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4. As of 28 July 2011 there were 15,642 confirmed deaths and 5,001 missing persons, according to the National Police Agency of Japan. (http://www.npa.go.jp/archive/keibi/biki/higaijokyo_e.pdf)

5. As of 28 July 2011 there were 110,746 totally collapsed, 133,668 half-collapsed, and over 480,000 partially damaged properties, according to the National Police Agency of Japan.

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44. PDFs in Japanese outlining the results of each category of tests are available on the Environment Ministry's disaster response webpage, under the subheading 「東日本大震災の被災地における環境モニタリング調査について」

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