An extensive indoor 222Rn/220Rn monitoring in Shillong, India

The behaviour of ubiquitous radon (222Rn), thoron (220Rn) and their progeny in the indoor atmosphere generally reflects a complex interplay between a number of processes, the most important of which are radioactive α-decay, ventilation, attachment to aerosols and deposition on surfaces. The present...

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Veröffentlicht in:	Radiation protection dosimetry 2004, Vol.112 (3), p.429-433
Hauptverfasser:	Mishra, R., Tripathy, S. P., Khathing, D. T., Dwivedi, K. K.
Format:	Artikel
Sprache:	eng
Schlagworte:	Air Pollutants, Radioactive Air Pollution, Indoor Air Pollution, Radioactive Databases as Topic India Models, Theoretical Radiation Monitoring - methods Radiometry - instrumentation Radiometry - methods Radon - metabolism Radon Daughters Reproducibility of Results Seasons Temperature
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Zusammenfassung:	The behaviour of ubiquitous radon (222Rn), thoron (220Rn) and their progeny in the indoor atmosphere generally reflects a complex interplay between a number of processes, the most important of which are radioactive α-decay, ventilation, attachment to aerosols and deposition on surfaces. The present work involved a long-term (1997–2000) passive monitoring of 222Rn and 220Rn in the indoor environment of Shillong, Meghalaya. The north-east region of India being a zone of high seismicity, the indoor radon and thoron map of the region will provide a better insight and a valuable database for any study related to radon and thoron anomalies.
ISSN:	0144-8420 1742-3406
DOI:	10.1093/rpd/nch419