Radiological monitoring: terrestrial natural radionuclides in Kinta District, Perak, Malaysia

Lee, Siak Kuan; Wagiran, Husin; Ramli, Ahmad Termizi; Apriantoro, Nursama Heru; Wood, Abdul Khalik

doi:10.1016/j.jenvrad.2009.01.001

Cited by 67 publications

(16 citation statements)

References 16 publications

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“…However, the correlation between the gross-β and U and Th decay series is not so strong (R from 0.22 to 0.61); this can be explained by the fact that the contribution of U and Th radionuclides to the activity concentration of gross-β is limited. Other beta emitters, such as 40 K, which is also widely distributed in nature [27,38], contributes to the activity concentration of gross-β. The average fraction of beta emission from 40 (Table 1).…”

Section: Association Between the Radioactivity Level And Elemental Comentioning

confidence: 99%

Radioactivity of Soil, Rock and Water in a Shale Gas Exploitation Area, SW China

Huang

Hao

Pang

et al. 2017

Water

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Abstract:Studies have been carried out to investigate the baseline radioactivity level (gross alpha, gross beta and 226 Ra) of soil, rocks and groundwater in the Fuling block, Chongqing, the largest shale gas exploitation area of China. The results show that there is a general activity concentration trend of gross alpha, gross beta and 226 Ra: shale > soil > limestone due to the high content of uranium, thorium and potassium in shale and low content in limestone. The average activities of shallow groundwater from a limestone aquifer are 0.14, 0.13 and <0.008 Bq/L for gross alpha, gross beta and 226 Ra, respectively. The radioactivity concentrations of gross alpha, gross beta and 226 Ra (4.37, 1.40 and 0.395 Bq/L, respectively) of the formation water were far lower than those of formation water in the Marcellus shale in the USA (with ranges of 86-678, 23-77 and 16-500 Bq/L, respectively). One polluted shallow groundwater source and its associated stream sediments had been polluted due to leakage of drilling fluid with relatively high radioactivity levels and high concentration of main ions. Overall, this study provides an important baseline radioactivity level to assess the impact of shale gas exploitation on a shallow environment.

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Section: Association Between the Radioactivity Level And Elemental Comentioning

confidence: 99%

Radioactivity of Soil, Rock and Water in a Shale Gas Exploitation Area, SW China

Huang

Hao

Pang

et al. 2017

Water

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“…They did not exceed the upper limit, which is 1 [12]. [16]. 232 Th values obtained are slightly higher than the world average [2].…”

Section: Resultsmentioning

confidence: 82%

Measurement of natural radioactivity and assessment of radiation hazard indices in soil samples at Pengerang, Kota Tinggi, Johor

Hassan

Khoo

2014

AIP Conference Proceedings

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“…The concentration of radionuclides in clay soils of the Nile Delta and Middle Egypt was assessed high [5]. The mean gamma dose rate in soil in Kinta District, Perak, Malaysia is 222 nGy/h, which is twofold of the Malaysia mean and fourfold of the world mean (59 nGy/h) [6]. The most elevated mean gamma dose rate was assessed to be 375 nGy/h in Buloh Kasap Mukim in Segamat District, Johor, Malaysia.…”

Section: Introductionmentioning

confidence: 99%

Determination of Concentrations of Natural Radionuclides in Soils and Water in Non-cultivated Sites in Seberang Perai, Malaysia

Alnassar¹,

Jaafar²,

Kabir³

2017

IOSR JAP

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Radiological monitoring: terrestrial natural radionuclides in Kinta District, Perak, Malaysia

Cited by 67 publications

References 16 publications

Radioactivity of Soil, Rock and Water in a Shale Gas Exploitation Area, SW China

Radioactivity of Soil, Rock and Water in a Shale Gas Exploitation Area, SW China

Measurement of natural radioactivity and assessment of radiation hazard indices in soil samples at Pengerang, Kota Tinggi, Johor

Determination of Concentrations of Natural Radionuclides in Soils and Water in Non-cultivated Sites in Seberang Perai, Malaysia

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