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    Radioactivity and dose assessment of naturally occurring radionuclides in terrestrial environments and foodstuffs: a review of Bahi district, Tanzania

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    Date
    2023-07-13
    Author
    Sumary, Dominic
    Raymond, Jofrey
    Chacha, Musa
    Banzi, Frimi Paul
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    Abstract
    In this review, the online searchable research articles were scrutinized for the data presented in line with radioactivity and dose estimates from both terrestrial environments and foodstuffs from Bahi district and other parts of Tanzania. The data on natural gamma ray dose rates from Bahi localities were observed with variations among researchers. The observed ranges of radioactivity concentrations (Bq kg−1) in soil were 226Ra (28.5–57.4), 232Th (38.1–521.3), and 40K (562.9–665.0). Deep closed water wells with installed pumps from Ilindi and Bahi Mission reported radioactivity concentration of 238U 3.08 Bq L−1 and Ilindi swamps reported radioactivity concentrations of 226Ra 15.35 Bq L−1, whereas radioactivity concentrations of 238U in cereals were within the annual tolerable limits of 0.001–0.02 Bq kg−1. The quantity and accessibility of published studies, as well as the diversity of the data, point to the necessity for additional studies to be carried out in order to obtain comprehensive baseline data.
    URI
    https://doi.org/10.1080/09603123.2023.2234299
    https://dspace.nm-aist.ac.tz/handle/20.500.12479/2713
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