Natural radioactivity and radiological health hazard assessment of chemical fertilizers in Viet Nam

Loan, Trương Thị Hồng; Ba, Vũ Ngọc; Bang, Nguyen Van Thai; Thy, Truong Huu Ngan; Hong, Huynh Thi Yen; Huy, Ngo Quang

doi:10.1007/s10967-018-5719-2

Cited by 33 publications

(6 citation statements)

References 16 publications

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“…To calculate the excess lifetime cancer risk due to gamma-ray radiation the following equation was used [4] , [5] , [6] :

ELCR = Excess Lifetime Cancer Risk per 100/000 people, E = Annual effective dose in msv, DL = Average lifespan (year) = 70/1 years [7] . RF = fatal cancer risk per Sievert, risk factor (Sv −1 ) = 0/057 Sv −1 .…”

Section: Experimental Design Materials and Methodsmentioning

confidence: 99%

“… More specific subject area Excess lifetime cancer risk and risk of lung cancer from inhalation of radon-222 Type of data Tables, graph. How data was acquired The concentration of radon gas was extracted from a study done at Tehran radiotherapy centers [3] , then the excess lifetime cancer risk and risk of lung cancer were calculated in all centers using standard equations [5] , [6] Data format Analyzed. Experimental factors The concentrations of radon gas were analyzed according to the standards to calculate excess lifetime cancer risk and risk of lung cancer from inhalation of radon-222.…”

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confidence: 99%

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Data on assessment excess lifetime cancer risk and risk of lung cancer from inhalation of Radon 222 in radiotherapy centers in Tehran, Iran

2018

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The purpose of the data was to determine excess lifetime cancer risk (ELCR) and risk of lung cancer from inhalation of radon in radiotherapy staff at Tehran radiotherapy Centers in 2015.The concentration of radon gas was extracted from a study done at Tehran radiotherapy centers, and then ELCR and risk of lung cancer were calculated in all centers by standard equations. The excess lifetime cancer risk and risk of lung cancer were 1.89 and 8.46 cases per 100,000 people in radiotherapy centers in Tehran City. The data indicate that the excess lifetime cancer risk and risk of lung cancer in radiotherapy centers are lower than the standard values which presented by UNSCEAR 2000.

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“…To calculate the excess lifetime cancer risk due to gamma-ray radiation the following equation was used [4] , [5] , [6] :

Section: Experimental Design Materials and Methodsmentioning

confidence: 99%

mentioning

confidence: 99%

Data on assessment excess lifetime cancer risk and risk of lung cancer from inhalation of Radon 222 in radiotherapy centers in Tehran, Iran

2018

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“…The value of H in should be ≤1. The excess lifetime cancer risk (ELCR) due to radioactive exposure form spending a lifetime in residences with these sand mixtures was calculated using the following equation [16,17]:…”

Section: Radioactivity Measurement Dose and Hazard Index Calculationmentioning

confidence: 99%

Measurement of NORM in Building Materials to Assess Radiological Hazards to Human Health and Develop the Standard Guidelines for Residents in Thailand: Case Study in Sand Samples Collected from Seven Northeastern Thailand Provinces

Sola¹,

Injarean²,

Picha³

et al. 2021

Atmosphere

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A total of 223 sand samples collected from seven provinces in Northeastern Thailand were analyzed for their gamma radioactivity from naturally occurring radioactive materials (NORMs), and the data were used to calculate the concentrations of Ra-226, Th-232, and K-40. Radiological safety indicators such as the indoor external dose rates (Din), the annual indoor effective dose (Ein), the activity concentration index (I), the radium equivalent activity (Raeq), the external hazard index (Hex), the internal haphazard index (Hin), and the excess lifetime cancer risk (ELCR) were calculated. The activity concentrations were found to be 36 ± 10 Bq/kg for Ra-226, 2.64 ± 0.58 Bq/kg for Th-232, and 323 ± 168 Bq/kg for K-40. Din is 62 ± 23 nGy/h. The Ein is 0.30 ± 0.11 mSv/y. The activity concentrations and other indicators were reported by each province and compared with the safety standards and are found to be within the safe limits in this study. The results can be used to develop the standard guideline levels for choosing building materials in Thailand.

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“…Recently, some researchers have been carried out and reported on the subject of natural radiation and radiological hazards from chemical fertilisers (El-Bahi et al, 2017;Faweya et al, 2018;Korany et al, 2021;Loan et al, 2018). The objectives of this study were to evaluate natural radioactivity concentration in chemical fertilisers used in the Ahar area, Iran, and calculate radiological risk due to chemical fertilisers using for agriculture purposes.…”

Section: Introductionmentioning

confidence: 99%

Natural Radiation of Chemical Fertilisers and Radiological Impact on Agriculture Soil

Abbasi

2021

Preprint

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To investigate, the radiological hazards indices of chemical fertilisers commonly used in agriculture soils of Arasbaran, Iran, the activity concentration of 226Ra, 232Th and 40K in four types of chemical fertilisers were measured by gamma spectrometry system. The concentration range for 226Ra, 232Th and 40K were obtained from 54±2.2 to 1585±29.4, 6±0.1 to 157±9.1 and 31±1.5 to 1496 ± 32.8 Bq/kg, respectively. The obtained results showed that the average of radiation hazard parameters for the fertilisers were higher than the reference level for the gamma index(Ig), alpha index(Ia), absorbed dose rate(D), and ambient dose equivalent rate (H*(10)) values. The outcomes give rise to that more parameters values are over the permissible limit, increasing the likelihood of adverse health consequences.

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Natural radioactivity and radiological health hazard assessment of chemical fertilizers in Viet Nam

Cited by 33 publications

References 16 publications

Data on assessment excess lifetime cancer risk and risk of lung cancer from inhalation of Radon 222 in radiotherapy centers in Tehran, Iran

Data on assessment excess lifetime cancer risk and risk of lung cancer from inhalation of Radon 222 in radiotherapy centers in Tehran, Iran

Measurement of NORM in Building Materials to Assess Radiological Hazards to Human Health and Develop the Standard Guidelines for Residents in Thailand: Case Study in Sand Samples Collected from Seven Northeastern Thailand Provinces

Natural Radiation of Chemical Fertilisers and Radiological Impact on Agriculture Soil

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