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The impact of the oil and gas industry on NORMs of groundwater and their annual efective dose in Ma’rib, central Yemen

Ali Mohsen M. M., Zhao Hongtao, Li Zhigang, Ahmed O. M. H., Alfasatleh Ibrahim, Maglas Najeeb N. M.

Acta Geophysica

2020

Vol. 68, no. 5

1421--1431

The gamma-ray spectrum equipped with a high-purity germanium detector was used to measure the naturally occurring radioactive materials of groundwater samples resources from the petroleum-producing communities of Ma’rib Province-Yemen. Thirty-fve samples were collected from diferent sites. The 40K, 232Th, and 226Ra activity concentrations of groundwater samples for oil and non-oil communities were measured. The annual efective doses due to 40K, 232Th, and 226Ra were calculated and did not show a signifcant health impact. These results can contribute to building a database and provide a general background of the detectable TENORMs for studied areas, which will be useful in any radiological emergency. Signifcantly, the Ma’rib region is rich in oil and gas.