Assessment of environmental health risks due to indoor radon levels inside workplaces in Sudan

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Abstract

The main objective of this study is to assess the environmental health risks due to radon gas accumulation and to compare the concentrations in different kinds of workplaces in Khartoum town, Sudan. However, typical persons spend about one-third of the day at their workplace. For this purpose, a number of 231 measurements were performed in Pharmacies, Schools, Restaurants, Health-care centres, offices, shops, libraries and internet coffee shops by using CR-39 solid-state nuclear track detectors (SSNTD). Results show that the radon concentration values ranged from 16 to 103 Bqm−3, with an average of (54 ± 9) Bqm−3. The mean value of the calculated effective dose was found to be (1.35 ± 0.24) mSvy−1. The relative lung cancer risk due to radon exposure in all workplaces was found to be 1.048%. The results of the study indicated the importance of performing this type of measurement because the exposure of workers can reach high values in some workplaces.

Original languageEnglish
JournalInternational Journal of Environmental Analytical Chemistry
DOIs
StateAccepted/In press - 2021
Externally publishedYes

Keywords

  • cr-39
  • effective dose
  • health care centres
  • Radon
  • relative lung cancer risk

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