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  • Author or Editor: A. El-Lakany x
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Soil and vegetation samples from 33 sites within the northwestern area of the River Nile delta in Egypt have been analyzed for natural and man-made radioactivity. Gamma-ray spectrometric measurements were performed where 214Bi and 214Pb were used for 238U-series determinations, while 208Tl and 228Ac were used for 232Th-series determinations. In addition, alpha-spectrometric measurements were also performed for the determination of different isotopes of uranium and plutonium. Other parameters examined included the determination of radium equivalent activities and relationship between the gamma-radiation values and subsequent dose level determinations and the soil types.

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