Evaluation of excess life time cancer risk due to natural radioactivity of the Lignite samples of the Nichahoma, lignite belt, North Kashmir, India
-
Mudasir Ashraf
,
Shakeel Ahmad
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.
Acknowledgement
We are highly indebted to Professor P. Yadagiri Reddy, Department of Physics, Osmania University, Hyderabad for his valuable discussions and constant encouragement pertaining to this work. Further the first author is (Mudasir Ashraf) is highly thankful to Mr. M.A. Bhat, teacher, Govt. Middle School Nichahoma for his help and guidance in collecting the samples from the Nichahoma rural area.
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©2016 Walter de Gruyter GmbH, Berlin/Boston
Articles in the same Issue
- Frontmatter
- Uses of alpha particles, especially in nuclear reaction studies and medical radionuclide production
- Direct flow separation strategy, to isolate no-carrier-added 90Nb from irradiated Mo or Zr targets
- Sorption of Th(IV) onto ZnO nanoparticles and diatomite-supported ZnO nanocomposite: kinetics, mechanism and activation parameters
- The influence of pH and reaction time on the formation of FeSe2 upon selenite reduction by nano-sized pyrite-greigite
- Chitosan-ferrocyanide sorbent for Cs-137 removal from mineralized alkaline media
- Rate of radiocarbon retention onto calcite by isotope exchange
- Evaluation of excess life time cancer risk due to natural radioactivity of the Lignite samples of the Nichahoma, lignite belt, North Kashmir, India
Articles in the same Issue
- Frontmatter
- Uses of alpha particles, especially in nuclear reaction studies and medical radionuclide production
- Direct flow separation strategy, to isolate no-carrier-added 90Nb from irradiated Mo or Zr targets
- Sorption of Th(IV) onto ZnO nanoparticles and diatomite-supported ZnO nanocomposite: kinetics, mechanism and activation parameters
- The influence of pH and reaction time on the formation of FeSe2 upon selenite reduction by nano-sized pyrite-greigite
- Chitosan-ferrocyanide sorbent for Cs-137 removal from mineralized alkaline media
- Rate of radiocarbon retention onto calcite by isotope exchange
- Evaluation of excess life time cancer risk due to natural radioactivity of the Lignite samples of the Nichahoma, lignite belt, North Kashmir, India
