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2009 (Vol. 1, Issue: 1)
Article Information:

Evaluation of Natural Radionuclide Content in River Sediments and Excess Lifetime Cancer Risk Due to Gamma Radioactivity

V. Ramasamy, G.Suresh, V.Meenakshisundaram and V.Gajendran G.Suresh, V.Meenakshisundaram and V.Gajendran
Corresponding Author:  V.Ramasamy 

Key words:  activity utilization index, , annual effective dose , radioactivity, radiological hazard indices, ponnaiyar river, ,
Vol. 1 , (1): Page No: 6-10
Submitted Accepted Published
Abstract:

The objective of this study is to evaluate the radionuclides (U238 , Th232 and K40) content and outdoor terrestrial gamma dose rates in the Ponnaiyar river sediments to understand the radiation hazards to mankind. The determined activity concentrations of all sites are fall within the typical world and Indian average values although some extreme values are determined. To assess the radiological hazard of river sediments, the radiological hazard indices such as absorbed dose rate, annual effective dose equivalent (outdoor and indoor) (AEDE), hazard indices (Hex and Hin), activity utilization index (I) and excess life time cancer risk (ELCR) are calculated. The radiological hazard indices are below the internationally recommended values. The last eight sampling sites have higher ELCR value.
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  Cite this Reference:
V. Ramasamy, G.Suresh, V.Meenakshisundaram and V.Gajendran G.Suresh, V.Meenakshisundaram and V.Gajendran , 2009. Evaluation of Natural Radionuclide Content in River Sediments and Excess Lifetime Cancer Risk Due to Gamma Radioactivity.  Research Journal of Environmental and Earth Sciences, 1(1): Page No: 6-10.
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ISSN (Online):  2041-0492
ISSN (Print):   2041-0484
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