Assessment of Background Radiation and Associated Dose Rates in Soil Samples from Norochcholai in the North Western Coast of Sri Lanka  

作　　者：Thiwanka Weerakkody Senani Williams Tania Warnakulasuriya Shakila Priyadarshanee Thilaka Attanayaka Indrani Dissanayake Vajira Waduge Rajitha Wickremasinghe Thiwanka Weerakkody;Senani Williams;Tania Warnakulasuriya;Shakila Priyadarshanee;Thilaka Attanayaka;Indrani Dissanayake;Vajira Waduge;Rajitha Wickremasinghe(Sri Lanka Atomic Energy Board, Wellampitiya, Sri Lanka;Faculty of Medicine, University of Kelaniya, Kelaniya, Sri Lanka)

机构地区：[1]Sri Lanka Atomic Energy Board, Wellampitiya, Sri Lanka [2]Faculty of Medicine, University of Kelaniya, Kelaniya, Sri Lanka

出　　处：《Journal of Geoscience and Environment Protection》2022年第1期189-206,共18页地球科学和环境保护期刊（英文）

摘　　要：This study assesses radiation levels in soil, water and air in the Norochcholai,<span> </span><span>an area in Sri Lanka closest to the Kundankulam nuclear power plant, India which is situated in the North Western coast. This is important for monitoring radiation hazards </span><span><span><span style="font-family:;" "="">and</span></span></span><span><span><span style="font-family:;" "=""> will be useful in case of a nuclear accident. Superficial soil and water samples from 23 locations were analyzed by Gamma spectrometry using<span style="color:red;"> </span>HPGe detector. The activity concentrations of Th232, K40, Ra226 and Pb210 in the soil were 56.0</span></span></span><span><span><span style="font-family:;" "=""> </span></span></span><span><span><span style="font-family:;" "="">Bq<span style="white-space:normal;">&#183;</span>kg</span></span></span><span><span><span><span>^{<span style="font-family:;" "=""><span style="font-size:10px;">&#45;</span>1</span>}</span></span></span></span><span></span><span></span><span><span><span style="font-family:;" "="">, 96.0</span></span></span><span><span><span style="font-family:;" "=""> </span></span></span><span><span><span style="font-family:;" "="">Bq</span></span></span>&#183;<span><span><span style="font-family:;" "="">kg</span></span></span><span><span>^{<span style="font-family:;" "=""><span><span style="font-size:10px;">&#45;</span>1</span></span>}</span></span><span><span><span style="font-family:;" "="">, 24.0</span></span></span><span><span><span style="font-family:;" "=""> </span></span></span><span><span><span style="font-family:;" "="">Bq<span style="white-space:normal;">&#183;</span>kg</span></span></span><span><span>^{<span style="font-family:;" "=""><span><span style="font-size:10px;">&#45;</span>1</span></span>}</span></span><span><span><span style="font-family:;" "=""> and 27.0</span></span></span><span><span><span style="font-family:;" "=""> </span></span></span><span><span><span style="font-family:;" "="">Bq<span style="whitThis study assesses radiation levels in soil, water and air in the Norochcholai,<span> </span><span>an area in Sri Lanka closest to the Kundankulam nuclear power plant, India which is situated in the North Western coast. This is important for monitoring radiation hazards </span><span><span><span style="font-family:;" "="">and</span></span></span><span><span><span style="font-family:;" "=""> will be useful in case of a nuclear accident. Superficial soil and water samples from 23 locations were analyzed by Gamma spectrometry using<span style="color:red;"> </span>HPGe detector. The activity concentrations of Th232, K40, Ra226 and Pb210 in the soil were 56.0</span></span></span><span><span><span style="font-family:;" "=""> </span></span></span><span><span><span style="font-family:;" "="">Bq<span style="white-space:normal;">&#183;</span>kg</span></span></span><span><span><span><span>^{<span style="font-family:;" "=""><span style="font-size:10px;">&#45;</span>1</span>}</span></span></span></span><span></span><span></span><span><span><span style="font-family:;" "="">, 96.0</span></span></span><span><span><span style="font-family:;" "=""> </span></span></span><span><span><span style="font-family:;" "="">Bq</span></span></span>&#183;<span><span><span style="font-family:;" "="">kg</span></span></span><span><span>^{<span style="font-family:;" "=""><span><span style="font-size:10px;">&#45;</span>1</span></span>}</span></span><span><span><span style="font-family:;" "="">, 24.0</span></span></span><span><span><span style="font-family:;" "=""> </span></span></span><span><span><span style="font-family:;" "="">Bq<span style="white-space:normal;">&#183;</span>kg</span></span></span><span><span>^{<span style="font-family:;" "=""><span><span style="font-size:10px;">&#45;</span>1</span></span>}</span></span><span><span><span style="font-family:;" "=""> and 27.0</span></span></span><span><span><span style="font-family:;" "=""> </span></span></span><span><span><span style="font-family:;" "="">Bq<span style="whit

关 键 词：Background Radiation Gamma Spectrometry Norochcholai Health Risk Radiological Indices 

分 类 号：O17[理学—数学]