量研学術機関リポジトリ「QST-Repository」は、国立研究開発法人 量子科学技術研究開発機構に所属する職員等が生み出した学術成果（学会誌発表論文、学会発表、研究開発報告書、特許等）を集積しインターネット上で広く公開するサービスです。 Welcome to QST-Repository where we accumulates and discloses the academic research results(Journal Publications, Conference presentation, Research and Development Report, Patent, etc.) of the members of National Institutes for Quantum Science and Technology.
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Nuclear power plant facilities are either in the planning stage or under construction in neighboring countries around the Philippines. It is important to obtain background dose rates data in advance before the occurrence of any radiological or nuclear accidents in the future in order to estimate the increase in dose rates due to the radiological and nuclear accidents. In the Philippines, many people are living in Metro Manila. Quezon City is the largest area in Metro Manila and has many educational facilities and government agencies. In this study, the dose rates were continuously measured along major roads in Quezon City by the car-borne survey. The measured dose rates on the road ranged from 7.7 to 41 nGy h–1 – with a calculated mean value of 13 nGy h–1. These dose rates were less than that of the background level for terrestrial gamma rays in the world (59 nGy h–1). These results will be useful as reference data for background levels in case of any future radiological or nuclear accidents.
Absorbed Dose Rates in Air along the Roads in Quezon City, Philippines
