Radioactivity in Building Materials of Pudukkottai Geological Region, Tamil Nadu, India
作者： G. Sankaran Pillai , K. Jeevarenuka , P. Shahul Hameed
DOI: 10.1007/S41748-017-0005-Y
关键词: Gamma ray spectrometry 、 Human lung 、 Building material 、 Mining engineering 、 Geography 、 Natural radioactivity 、 Radon 、 Waste management
摘要: Since Pudukkottai district is naturally endowed with variety of building material resources such as stones, bricks, sand etc. These materials are also exported to other district. So analysis natural radioactivity in these important before put into construction purpose. WHO reported that indoor radon accumulation from soil and one the major factors for human lung disorders. The main objective present study measure Naturally Occurring Radioactive Materials (NORM) assess possible radiological risk. A total 118 samples have been investigated 238U, 232Th, 40K employing a 3″ × NaI(Tl) detector. mean Raeq activity maintained following descending order: Stone (299 ± 206 Bq kg−1) > Soil (145 ± 54 Bq kg−1) Sand Cement (117 ± 28 Bq kg−1) > Brick (110 ± 26 Bq kg−1). identified seven stone quarries recorded higher than permissible limit (>370 Bq kg−1) set by UNSCEAR, 2008. All mined used this low activity. Important parameters ADRA, I γ H were calculated. results indicated there no elevated observed studied materials. Therefore, it concluded above mentioned will not pose any hazard terms radioactivity.
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