Evaluation of natural gamma radiation and absorbed gamma dose in soil and rocks of Perambalur district (Tamil Nadu, India)
作者： K. Jeevarenuka , G. Sankaran Pillai , P. Shahul Hameed , R. Mathiyarasu
DOI: 10.1007/S10967-014-3222-Y
关键词: Gamma dose 、 Soil test 、 Radium 、 Land area 、 Primordial radionuclides 、 Gamma ray spectrometry 、 Mineralogy 、 Veterinary medicine 、 Mean value 、 Natural radioactivity 、 Environmental science 、 Analytical chemistry 、 Spectroscopy 、 Public Health, Environmental and Occupational Health 、 Nuclear Energy and Engineering 、 Pollution 、 Health, Toxicology and Mutagenesis 、 Radiology Nuclear Medicine and imaging
摘要: The activity concentrations and absorbed gamma dose of primordial radionuclides 238U, 232Th 40K were determined employing γ-ray spectrometry in 31 soil samples from the land area earmarked for house construction Perambalur district 14 rock quarries that supply stones entire district. registered relatively a higher mean value 13.2 Bq kg−1 66 340.3 as compared to values (238U—8.0 kg−1; 232Th—65.1 40K—199.1 kg−1). rate (61.4 nGy h−1) marginally exceeded prescribed limit 55 h−1 while, rocks 10.4 h−1. radium equivalent was distinctly (130.6 kg−1) than (20.0 However, these lower (370 set by OECD building materials. It is evident data do not pose any radiological risk constructions
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