Studies on radon/thoron and their decay products in granite quarries around Bangalore city, India

Ningappa, C. and Sannappa, J. and Chandrashekara, M. S. and Paramesh, L. (2009) Studies on radon/thoron and their decay products in granite quarries around Bangalore city, India. INDIAN JOURNAL OF PHYSICS, 83 (8). pp. 1201-1207. ISSN 0974-9845

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Official URL: http://doi.org/10.1007/s12648-009-0102-3

Abstract

The radon survey was performed in granite quarries around Bangalore rural district and Bangalore city as part of a lung cancer epidemiological study. Long duration measurements of indoor and outdoor radon, thoron and their progenies concentrations were made around granite quarries of Bangalore rural district by using Solid State Nuclear Track Detector (SSNTD, LR-115, Type-II Plastic track detector) during summer and winter period (2006-07). The increase of radioactivity in granite quarries and inhalation dose to workers and populations near the quarries have been summarized. The higher concentrations of radon and thoron in granite quarries suggest radiation health effects on workers and public around the quarries is higher than permissible levels. The results are presented and analyzed with reference to ICRP limits.

Item Type: Article
Additional Information: 15th National Symposium on Solid State Nuclear Track Detectors and their Applications, HNB Garhwal Univ, Badshahi Thaul Campus, Uttar Pradesh, INDIA, JUN 21-23, 2007
Uncontrolled Keywords: Radon; thoron; SSNTD; Spark counter; granite quarries
Subjects: D Physical Science > Physics
Divisions: Department of > Physics
Depositing User: Users 19 not found.
Date Deposited: 20 Aug 2019 09:29
Last Modified: 20 Aug 2019 09:29
URI: http://eprints.uni-mysore.ac.in/id/eprint/6808

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