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Malaysian Journal of Fundamental and Applied Sciences
Gamma spectrometry was used to measure gamma dose rate in air and to determine the activity concentration of naturally occurring radionuclides viz. 226Ra 232Th and 40K in soil samples collected across the geological formations of Barkin Ladi. Dose rates measured in-situ ranged from 5 nGy h−1 to 1265 nGy h−1 with a mean value of 325 nGy h−1. The activity concentrations of 226Ra ranged from 27 to 327 Bq kg−1, 34 to 457 Bq kg−1 for 232Th and 43 to 1055 Bq kg−1 for 40K. Their mean values aredoi:10.11113/mjfas.v14n3.882 fatcat:d2ifudxbsbb3nn7chvfukylbyq