Publication Type: The 56^th Kasetsart University Academic Conference 

Year: 2018

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Publication Type: Conference Proceeding  ASRAM2019

Year: 2019

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Publication Type: Conference Proceeding, ASRAM2019

Year: 2019

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Publication Type: Conference Proceeding, NORMIX2019

Year: 2019

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Publication Type: Poster, INST2019

Year: 2019

Abstract: Radionuclides in the environment are from natural occurrence and man-made activities. For the later source, it can be from nuclear weapon testing, nuclear accidents and nuclear applications using as in medical, industrial sectors and research that are able to increase some artificial radionuclides to the terrestrial ecosystem. These radionuclides can enter to human by inhalation, ingestion and skin absorption. The significant amounts of radionuclides entered to human body would have some biological effects. According to the various laws and guidelines, the radiation control is strictly managed in facilities using nuclear and radioactive materials. Therefore, the efficient radiation monitoring system for terrestrial ecosystem is very important for determining environmental status in normal situation and nuclear emergency situation. The appropriated factors and parameters management in properly selected pathway can be used for dose assessment. This research is to present the environmental radiation monitoring management plan for pathway from atmosphere to human by uptake. This designed management plan would be used for a guidance of radiation monitoring system which is corresponding to international standards.
Keywords: environmental radiation monitoring, radionuclides, atmospheric pathway
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*Corresponder’s e-mail: suprawee.s@oap.go.th

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Publication Type: Poster, INST2019

Year: 2019

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Authors: K.Silva, W. Vechgama, N. Khunsrimek, S.Rassame, P.Krisanangkura, S.Udomsomporn

Publication Type: Conference Proceeding, IYNC2020

Year: 2020

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Authors: Suphansa Chansuriya, W. Prannicha Hongpitakpong, Maitree Sriya

Publication Type:KKU Sci. Journal

Year: 2017

Abstract:  In this research, the objective was to compare the ambient gamma dose rate in Phayao
province with the standard level of the office of atoms for peace (OAP). The data were
collected from the radiation monitoring station at School of Science, University of Phayao
between 28 March 2011 to 15 May 2015. The proportional counter type (BERHOLD) gamma
radiation detector and the display monitor of Micro Gamma LB111 were used to collect and
evaluate the ambient gamma dose rate on daily basic. During 2011 to 2015, the values of
ambient gamma dose rate were ranged 0.172-0.052, 0.164-0.043, 0.154-0.122, 0.156-0.114, and
0.149-0.140 Sv/hr and with the average 0.146, 0.154, 0.145, 0.146 and 0.143 Sv/hr
respectively. The average values of ambient gamma dose rate were in normal levels compared
to the OAP standard of 0.040-0.150 Sv/hr exception in year 2012, which the mean value was
slightly higher than the background radiation in the environment. Moreover, the average data
were compared with other radiation monitoring stations using the same detection system in
Ubonratchathani, Trat and Ranong. It was found that the average values were different from
each other due to the geographical location. However, the averages of all stations gamma dose
rates were acceptable and safe.

Keywords: Radiation Monitoring Station, Ambient Gamma Dose rate in air

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