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

被引：10

作者：

Ningappa, C. ^{[1
]}

Sannappa, J. ^{[1
]}

Chandrashekara, M. S. ^{[2
]}

Paramesh, L. ^{[2
]}

机构：

[1] Yuvarajas Coll, Dept Phys, Mysore 570005, Karnataka, India

[2] Univ Mysore, Dept Studies Phys, Mysore 570006, Karnataka, India

来源：

INDIAN JOURNAL OF PHYSICS | 2009年 / 83卷 / 08期

关键词：

Radon; thoron; SSNTD; Spark counter; granite quarries; THORON CONCENTRATIONS; RADON; GEOLOGY; RN-222; HOUSES; RISK; AIR;

D O I：

10.1007/s12648-009-0102-3

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

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.

引用

页码：1201 / 1207

页数：7

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