Thoron and radon measurements in Romanian schools

A new thoron/radon survey was started in the north-western part of Romania, covering three counties, using discriminative detectors (RADUET). All detectors were deployed throughout 3 months, covering the spring period. The measured radon and thoron concentration ranged from 31 to 414 Bq m(-3) and fr...

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Bibliographic Details
Published in:Radiation protection dosimetry 2012-11, Vol.152 (1-3), p.38-41
Main Authors: Burghele, B D, Cosma, C
Format: Article
Language:English
Subjects:
Air Pollutants, Radioactive - analysis
Air Pollution, Indoor
Environmental Exposure
Geography
Housing
Humans
Limit of Detection
Radiation Monitoring - methods
Radon - analysis
Radon Daughters
Reproducibility of Results
Romania
Schools
Seasons
Time Factors
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Summary:A new thoron/radon survey was started in the north-western part of Romania, covering three counties, using discriminative detectors (RADUET). All detectors were deployed throughout 3 months, covering the spring period. The measured radon and thoron concentration ranged from 31 to 414 Bq m(-3) and from below the detection limit to 235 Bq m(-3), respectively. In this survey, 35 schools were submitted to investigation; 21 of the schools included in this study presented radon concentrations higher than 100 Bq m(-3), the reference level recommended by the World Health Organization in 2009. The seasonal effective dose calculated from these exposures, overlapping all three counties, ranged between 0.32 and 0.54 mSv.
ISSN:0144-8420
1742-3406
DOI:10.1093/rpd/ncs143