Radiation doses of Swiss population from external sources

Rybach, Ladislaus; Bächler, D.; Bucher, B.; Schwart, G

doi:10.1016/s0265-931x(02)00174-1

Cited by 6 publications

(5 citation statements)

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“…Beck et al, 1972). High difference has been reported to other international authors (Al-Ghorable FH, 2005), (Arvela H, 2002), (Rybach L, 2002), (Sagnatchi F, 2008), (Tavakoli MB, 2003) for highly penetrating gamma radiation dose rates at the outdoor and indoor environment. In situ gamma spectroscopy and dose rate monitoring using portable digital radiation monitoring devices are very popular worldwide because large area radiation monitoring is possible within the shortest period of time.…”

Section: Introductionmentioning

confidence: 73%

Radiation Risk Assessment on Public in Motijheel Thana, Dhaka, Bangladesh

et al. 2021

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Objective: The pollution free environment is required for healthy life. The real-time radiation monitoring is very important for radiation hazard detection in the environment. The excess life-time cancer risk (ELCR) on public is to assess based on the real-time radiation monitoring data in the area. Methods: The real-time radiation monitoring was performed using portable digital radiation monitoring device. This real-time digital portable radiation monitoring device meets all European CE standards as well as the American “FCC 15 standard”. The real-time digital portable radiation monitoring device was placed at 1 meter above the ground on tripod and data collection time for each monitoring point (MP) was 1 hour. 27 MPs were chosen for collection of real-time radiation data at various outdoor environment in Motijheel Thana, Dhaka from May-August 2018.Results: The real-time radiation dose rates at Motijheel Thana due to natural radionuclides were ranged from 0.095 ± 0.041 µSv.h-1 to 0.185 ± 0.042 µSv.h-1 with an average of 0.147 ± 0.047 µSv.h-1. The annual effective dose to public from outdoor environmental radiation at Motijheel Thana were found to be 0.166 ± 0.066 mSv to 0.324 ± 0.061 mSv with an average of 0.257 ± 0.039 mSv. Excess Life-time Cancer Risk (ELCR) on public are also estimated based on annual effective dose that is ranged from 0.662 ×10-3 to 1.289 ×10-3 with an average value of 1.025 ×10-3, which is higher than world average value of 0.29×10-3. Conclusion: This type of study is required for detection of the radiation hazard arising from the natu-ral as well as man-made sources and also for generation of the baseline database. From this study, it is observed that there is no pose any radiation hazard in the study area due to man-made sources.

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Section: Introductionmentioning

confidence: 73%

Radiation Risk Assessment on Public in Motijheel Thana, Dhaka, Bangladesh

et al. 2021

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“…Gamma radiation exists everywhere. High differences have been observed for radiation dose rates in the environment and a number of international studies have been reported the gamma dose rates at the outdoor and the indoor environments [10][11][12][13][14][15][16][17][18]. The existence of the naturally occurring radioisotopes in the environment may contribute an external and internal radiation effective dose to the public exposing directly or indirectly (through the ingestion and inhalation pathways).…”

Section: Introductionmentioning

confidence: 99%

Estimation of indoor radiological hazard on worker and public health in atomic energy centre Dhaka campus, Bangladesh

Islam¹,

Rahman²,

Sakib³

et al. 2021

JAPH

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Introduction: Radiation gives tremendous benefit to mankind but unnecessary radiation may pose harm to worker and public. The purpose of the study is to continuous indoor radiation monitoring of Atomic Energy Centre Dhaka (AECD) campus to minimize the radiological risk on worker and public health in and around the campus. Materials and methods: Continuous indoor radiation monitoring was conducted in the AECD campus from November 2018-April 2019 using the Thermoluminescent dosimeters. The excess life-time cancer risk on worker and public health were estimated based on the continuous indoor radiation monitoring data. Results: The annual effective doses to the worker and public from indoor radiation were ranged from 0.28±0.11 mSv to 0.67±0.25 mSv and the mean was found to be 0.43±0.10 mSv. The excess life-time cancer risk (ELCR) on the radiation worker & public health were estimated based on the annual effective dose and ranged from 1.13 Χ 10-3 to 2.65 Χ 10-3 with an average of 1.72 Χ 10-3.The average annual effective dose and ELCR on worker and public health were lower than those of the worldwide average values. Conclusion: The radiological hazard on worker and public health in and around the AECD campus is not significant because those values are lower than the recommended values of the international commission on radiological protection. Monitoring of these indoor places would help in keeping a record of safe working practices during the handling of the radioactive substances and radiation generating equipments in a radiological facility.

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“…Gamma radiation is ubiquitous. Great variations have been observed in environmental radiation levels and several international studies have been characterized gamma dose rates both in outdoor and indoor environments [6][7][8][9][10][11][12][13][14] . Both laboratory and in-situ gamma spectroscopy are often used for monitoring and assessment of radioactivity and radiation dose rates in the environment due to both natural and anthropogenic sources [15][16][17][18][19][20] .…”

Section: Introductionmentioning

confidence: 99%