Evaluation of excess life time cancer risk due to natural radioactivity of the Lignite samples of the Nichahoma, lignite belt, North Kashmir, India-Reference-Cited by-同舟云学术

Evaluation of excess life time cancer risk due to natural radioactivity of the Lignite samples of the Nichahoma, lignite belt, North Kashmir, India

Published:2016-05-04 Issue:9 Volume:104 Page:673-680
ISSN:2193-3405
Container-title:Radiochimica Acta
language:en
Short-container-title:

Author:

Ashraf Mudasir¹²,Anu Radha C.¹,Ahmad Shakeel³,Masood Sajad³,Ahmad Dar Rayees⁴,Ramasubramanian V.¹

Affiliation:

1. Photonic, Nuclear and Medical physics Division, School of Advanced Sciences, VIT University, Vellore, Tamil Nadu, India

2. Department of Radiological Physics and Bio-engineering, Sher-i-Kashmir Institute of Medical Sciences, Soura, Srinagar, India

3. Department of Physics, University of Kashmir, Srinagar, India

4. Division of Biostatistics, Sher-i-Kashmir Institute of Medical Sciences, Soura, Srinagar, India

Abstract

Abstract Naturally occurring radionuclides of the 226Ra, 232Th, and 40K present in the lignite samples was measured by using a low-background Pb-shielded gamma spectroscopic counting assembly utilizing NaI(Tl) detector for the measurement and to evaluation the radiation hazard indices and excess life time cancer risk. The average values of specific activity concentrations in the investigated lignite samples was found to be 45.36 Bq kg−1 for 226Ra, 21.42 Bq kg−1 for 232Th, 40.51 Bq kg−1 for 40K and 79.11 Bq kg−1 for Raeq respectively. The average value excess life time cancer risk was found to be relatively higher than the world average. Moreover, the correlation analysis shows the strong dependence of excess lifetime cancer risk on measured dose and the radium equivalent activity.

Publisher

Walter de Gruyter GmbH

Subject

Physical and Theoretical Chemistry

Link

https://www.degruyter.com/document/doi/10.1515/ract-2015-2504/pdf

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