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Analysis of Naturally Occurring Radioactive Materials (NORM) and Radiation Exposure in Soil and Fertilizer Samples Using Gamma Spectrometry Techniques
The activity concentrations of naturally occurring radioactive levels of radionuclides and risk factors evaluated in fertilizers, fertilized and unfertilized soils, and soils used as building materials. The estimated average activity concentrations for soil samples were 9.1±0.17 Bq/kg, 11.5±0.362 Bq/kg, and 248±4.1 Bq/kg for the 226Ra, 232Th, and 40K, while the estimated average activity concentrations for fertilizer samples were 16.8±0.497 Bq/kg, 68.6±1.1 Bq/kg, and 382.2±8.1Bq/kg. The average activity concentrations of 226Ra 232Th, and 40K for fertilizer samples were found to be higher than those of soil samples and lower than the global average value of 32, 45, and 420.
