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ARPN Journal of Science and Technology >> Volume 7, Issue 1, January 2017

ARPN Journal of Science and Technology


Measurement of Natural Radioactivity in Soil Collected from the Eastern of Sulaimany Governorate in Kurdistan–Region, Iraq

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Author Rasheed M. Yousuf, Kamal O. Abullah
ISSN 2225-7217
On Pages 749-757
Volume No. 3
Issue No. 7
Issue Date August 01, 2013
Publishing Date August 01, 2013
Keywords natural radioactivity, soil, γ-spectroscopy, specific activity



Abstract

Soil samples collected at five different depths (10, 20, 30, 40 and 50) cm from some towns in the east of Sulaimany governorate in Kurdistan Region of Iraq. Natural radioactivity concentrations in soil samples were measured by gamma-ray spectrometry using detector NaI(TI), the average value in the topsoil (surface) of natural radionuclides (U238) concentrations was 6.748 ppm equivalent to (83.337 Bq/kg), for Th232 was 4.67 ppm equivalent to (19.147 Bq/kg) and for K40 was 1.099 ppm equivalent to (284.86 Bq/kg), the results explain that the activity concentrations were higher than the standard international values especially at locations of Penjween and Garmek. Also it was observed in all studied regions that the values of concentrations are decreasing from topsoil (surface) to the deepest locations.


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