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Assessment of lifetime cancer risk from natural radioactivity levels in Kadikoy and Uskudar District of Istanbul

  • Osman Günay
ICCESEN 2017
  • 92 Downloads
Part of the following topical collections:
  1. Geo-Resources-Earth-Environmental Sciences

Abstract

The activity concentrations of 226Ra, 232Th, and 40K are measured in soil samples from various locations in the Kadikoy and Uskudar district of Istanbul (Turkey). The 226Ra activity concentrations range from 19.97 Bqkg−1 to 50.80 Bqkg−1 and average 226Ra concentration value 31.40 Bqkg−1 was calculated. The 232Th activity concentrations range from 21.38 Bqkg−1 to 52.61 Bqkg−1 and average 232Th concentration value 34.44 Bqkg−1 was calculated. The 40K activity concentrations range from 464.06 Bqkg−1 to 711.27 Bqkg−1 and average 40K concentration value 619.59 Bqkg−1 was calculated. In addition, radium equivalent (Raeq), absorbed gamma dose rate (D), annual effective dose equivalent, (AEDE), excess lifetime cancer risk (ELCR) were calculated in this study. All of the calculations have been compared with both national and international standards and similar studies. As a result of this comparison, levels of natural radioactivity and radiological effects were slightly higher than the World average and Turkey.

Keywords

Soil Natural radioactivity Istanbul 

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Copyright information

© Saudi Society for Geosciences 2018

Authors and Affiliations

  1. 1.Vocational School of Health ServicesIstanbul Okan UniversityIstanbulTurkey

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