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Exposure to 222Rn in ten underground mines in Iran.
Ghiassi-Nejad M, Beitollahi MM, Fathabadi N, Nasiree P. Ghiassi-Nejad M, et al. Radiat Prot Dosimetry. 2002;98(2):223-5. doi: 10.1093/oxfordjournals.rpd.a006713. Radiat Prot Dosimetry. 2002. PMID: 11926373
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 Ve …
Two active techniques were applied for these measurements (1) activated charcoal and (2) scintillation cell. A maximum mean concentration of …
Miners' exposure to radon and its decay products in some Iranian non-uranium underground mines.
Fathabadi N, Ghiassi-Nejad M, Haddadi B, Moradi M. Fathabadi N, et al. Among authors: ghiassi nejad m. Radiat Prot Dosimetry. 2006;118(1):111-6. doi: 10.1093/rpd/nci324. Epub 2005 Aug 4. Radiat Prot Dosimetry. 2006. PMID: 16081493
A separate grouping of the mines was recognised from radon concentrations, which varied from 2 Bq m(-3) to 10 kBq m(-3). In three of these mines, working level (WL) concentrations of the order of 36-1771 mWL were determined in different working areas. ...
A separate grouping of the mines was recognised from radon concentrations, which varied from 2 Bq m(-3) to 10 kBq m(-3). In th …
Radiological studies in the hot spring region of Mahallat, Central Iran.
Beitollahi M, Ghiassi-Nejad M, Esmaeli A, Dunker R. Beitollahi M, et al. Among authors: ghiassi nejad m. Radiat Prot Dosimetry. 2007;123(4):505-8. doi: 10.1093/rpd/ncl524. Epub 2006 Dec 13. Radiat Prot Dosimetry. 2007. PMID: 17166871
Mean radon concentrations in air were 487 +/- 160 and 15.4 +/- 2.7 Bq m(-3) for indoor and outdoor, respectively. Radiation levels above that of normal background ( approximately 100 nGy h(-1)) were mainly limited to the Quaternary travertine formations in the vicinity of …
Mean radon concentrations in air were 487 +/- 160 and 15.4 +/- 2.7 Bq m(-3) for indoor and outdoor, respectively. Radiation levels ab …