CAR-BORNE SURVEY OF NATURAL BACKGROUND GAMMA RADIATION IN WESTERN, EASTERN AND SOUTHERN THAILAND-Reference-Cited by-同舟云学术

CAR-BORNE SURVEY OF NATURAL BACKGROUND GAMMA RADIATION IN WESTERN, EASTERN AND SOUTHERN THAILAND

Published:2019-12-16 Issue:2 Volume:188 Page:174-180
ISSN:0144-8420
Container-title:Radiation Protection Dosimetry
language:en
Short-container-title:

Author:

Kranrod Chutima¹²,Chanyotha Supitcha¹,Pengvanich Phongphaegh¹,Kritsananuwat Rawiwan¹,Ploykrathok Thamaborn²,Sriploy Phongyut¹,Hosoda Masahiro²³,Tokonami Shinji²

Affiliation:

1. Natural Radiation Survey and Analysis Research Unit, Department of Nuclear Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok 10330, Thailand

2. Institute of Radiation Emergency Medicine, Hirosaki University, Hirosaki, Aomori 036-8564, Japan

3. Hirosaki University Graduate School of Health Science, Hirosaki, Aomori 036-8564, Japan

Abstract

Abstract Natural background gamma radiation was measured along the main roads in the eastern, western and southern regions of Thailand using a car-borne survey system with a 3-in × 3-in NaI (Tl) scintillation spectrometer. The system was able to quickly survey a large area and obtain outdoor absorbed dose rate in air from a gamma ray pulse height distribution. A total of 19 219 data of the outdoor absorbed dose rate in air were collected. The average outdoor absorbed dose rate in air in the eastern, western and southern regions were found to be 8–127, 16–119 and 16–141 nGy h -1 , respectively. The highest outdoor absorbed dose rate in air was detected in the southern region of Thailand. The corresponding average outdoor annual effective dose to the public ranged from 11.7 to 80.8 μSv.

Funder

National Research Council of Thailand

Publisher

Oxford University Press (OUP)

Subject

Public Health, Environmental and Occupational Health,Radiology Nuclear Medicine and imaging,General Medicine,Radiation,Radiological and Ultrasound Technology

Link

http://academic.oup.com/rpd/article-pdf/188/2/174/33407192/ncz272.pdf

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