[in Japanese]

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Miyagi prefecture conducted the atmospheric environmental monitoring survey periodically in the areas affected by the Great East Japan Earthquake and tsunami, measuring asbestos, nitrogen oxide (NOx), suspended particulate matter and hazardous air pollutants such as dioxins and heavy metals under support of Ministry of Environment and other organizations.
The survey results showed that the collected samples conformed to environmental standard and the concentration of the substances which have not environmental standards like asbestos showed nearly equivalent to normal atmospheric environment.
To prevent scattering of asbestos, we not only conducted atmospheric environmental monitoring but also strengthened patrols debris scattered areas and on-the-spot inspections at demolition work site. Furthermore, we requested related organizations to take preventive measures thoroughly. Through those efforts, we promoted prevention of scattering of asbestos and proper disposal of disaster waste.
As for the countermeasure against offensive odors and outbreak of sanitary insects caused by rotten fish flowed out from marine product processing factories, we coordinated pest control operation conducted by the Japan Self Defense Forces in compliance with requests of municipalities and held sanitation workshops.

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On 11 March 2011, at 14:46 local time, a massive earthquake occurred off the Pacific coast of Japan with a magnitude of 9.0 and it triggered a massive tsunami and aftershocks. This series of devastated earthquake disaster, so called “The Great East Japan Earthquake”, caused a great human and property damage on the coastal area of Iwate located at the east end of the main island of Japan that is known for the beautiful scenic coast called “Riku-chu Kaigan” and rich fishing grounds. It also generated a great amount of disaster wastes.
Miyako Health, Welfare and Environment Center has a jurisdiction over Miyako region (Miyako and Yamada district) which consists of one city, two towns and one village (Miyako city, Yamada town, Iwaizumi town and Tanohata village) located at northern part of the coastal area of Iwate prefecture. (see Map 1)
The amount of disaster wastes which were generated at Miyako region account for nearly 30% of wastes generated in Iwate prefecture. It included regionally specific organic wastes such as fish and shell to produce marine products and caused sanitation problem such as offensive odors and outbreak of insect pest.
In consideration of these circumstances, we report our disaster waste management approaches including the control of offensive odors and insect pest from a standpoint of the local organization.

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The Great East Japan Earthquake, occurred on March 11, 2001, brought a great deal of damages to the vast coastal area through tsunamis which were generated right after earthquake. The tidal waves also caused a large-scale and intense malodor in some regions because a huge amount of seafood having been stored in fishing ports were scattered extensively. This report summarized results of simplified odor measurements which were conducted in several times of the authors’ on-site inspections. A wide variety of malodor sources are still untouched throughout the stricken area, and several practical measures for malodor mitigation were proposed against each type of major malodor sources in this report.

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Dead fish and other marine organisms have drifted out from seafood processing plants and aquaculture facilities where they were being farmed in the Great East Japan Earthquake and Tsunami affected areas, and are causing a foul stench in the surrounding areas as they decay. As the weather gets warmer, the stench become more intense, and is feared to affect the psychological of nearby residents.
JAOE was conducted to provide aid, information dissemination, decision of deodorant effect, the establishment of consultation, the sharing of information. Furthermore,JAOE was to visit the afflicted areas, take stock of the situation there, and provide advice and guidance to the concerned municipal authorities on how to deal with the stench based on each municipality’s specific needs.We also directed the authorities to consult our report titled “Measures to Counter the Stench of Decaying Fish in Affected Areas" as they make arrangements to temporarily bury the decaying fish in the coming days.

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Human body odor consists of various kinds of odor components. 2-Nonenal, an unsaturated aldehyde, is main causative substance of the aged body odor.　We found that the polyphenol mixture extracted (anti-nonenal Polyphenol Complex) from an oolong tea, a tiencha, a green tea and an astringent persimmon had high anti-oxidative effect and deodorant effect against 2-nonenal.　Human study for 4 weeks was conducted to investigate the deodorant effect of soap containing anti-nonenal PC for 20 men between the ages of 43 and 75.　By using the soap everyday, the amount of 2-nonenal from body decreased significantly. 　The odor intensity and the visual analogue scale (VAS) were also significantly improved. 　We concluded that the soap containing anti-nonenal PC had high deodorant effect against the aged men’s body odor.

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