PMID: 11926373Apr 3, 2002Paper

Exposure to 222Rn in ten underground mines in Iran

Radiation Protection Dosimetry
M Ghiassi-NejadP Nasiree

Abstract

Concentrations of 222Rn were measured in ten non-uranium underground mines in Iran, including three metal mines and seven coal mines. Two active techniques were applied for these measurements (1) activated charcoal and (2) scintillation cell. A maximum mean concentration of 1.33 kBq.m(-3) was found in the Robat-Karim manganese mine with a hot spot of 12 kBq.M(-3), while the concentration in the Venarge-Qom manganese mine was less than 10 Bq.m(-3), leading to annual effective dose equivalents of 8.3 mSv and (0.06 mSv respectively. The mean concentration levels of 222Rn in coal mines were found to be almost 500 Bq.m(-3), leading to annual effective dose equivalent of 3 mSv.

Citations

Mar 6, 2008·Radiation Protection Dosimetry·V Zareena HamzaMary N Mohankumar
Sep 23, 2009·Radiation Protection Dosimetry·S CileN Celebi
Aug 1, 2015·Journal of Environmental Radioactivity·Dagmara Eulalia Tchorz-Trzeciakiewicz, Tomasz Parkitny
Aug 26, 2011·Journal of Radiological Protection : Official Journal of the Society for Radiological Protection·Arif Mahmood, M Tufail
May 31, 2019·International Journal of Radiation Biology·C Meenakshi, B Venkatraman
Jan 20, 2005·Radiation Protection Dosimetry·Abdullah FisneNilgün Celebi
Aug 6, 2005·Radiation Protection Dosimetry·N FathabadiM Moradi

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