Examination of Natural Radioactivity Concentration and Radiological Exposure of Soil Within Mining Site in Umuahia South Abia State Nigeria, Using High Purity Germanium (HPGe) Gamma Ray Spectrometry
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2023
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Journal of Radiation and Nuclear Applications
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Mining activity is one of the major sources of exposure to radiation. The main goal of this study was to
determine the natural radioactivity level and its radiological exposure risk in mining site Umuahia South Abia State,
Nigeria, using High Purity Germanium (HPGe) gamma ray spectrometry. The activity concentration of 40K, 226Ra and
232Th in the soil ranges from 31±2 to 367±27 Bq kg-1, with mean value of 142±11 Bq kg-1; from 26±2 to 65±5 Bq kg-1, with
mean value of 49±4; and from 53±9 to 109±17 Bq kg-1, with mean value of 77±16 Bq kg-1, respectively. The activity
concentrations of 226Ra and 232Th are above the global values of 32 and 45 Bq kg-1 while 40K is depleted in relation to the
global mean of 412 Bq kg-1. Radiological parameters are generally in agreement with the values observed for other
Nigerian and other countries soil reported in literature. The main responsible for the values observed for the radiological
parameters is 232Th followed by 226Ra. The use of this soil for dwelling construction is unlikely to pose any radiological
harm for the residents.
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ONUDIBIA, MOSES E.; SILVA, PAULO S.C. da; ESSIETT, ANIESUA A.; ZAHN, GUILHERME S.; GENEZINI, FREDERICO A.; IMEH, EDET E.; NNAMANI, NGENE C.; OGODO, ALLOYSIUS C.; MFOM, CELESTIAL B.; OKOH, FRANCA O. Examination of Natural Radioactivity Concentration and Radiological Exposure of Soil Within Mining Site in Umuahia South Abia State Nigeria, Using High Purity Germanium (HPGe) Gamma Ray Spectrometry. Journal of Radiation and Nuclear Applications, v. 8, n. 3, p. 215-223, 2023. DOI: 10.18576/jrna/080304. Disponível em: http://repositorio.ipen.br/handle/123456789/34336. Acesso em: 11 May 2024.
Esta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.