Radiation Protection Dosimetry Advance Access published online on August 4, 2006
Radiation Protection Dosimetry, doi:10.1093/rpd/ncl102
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SCIENTIFIC AND TECHNICAL PAPER
1 Department of Radiochemistry, Pannon University, H-8201 Veszprém, P.O. Box 158, Hungary
* To whom correspondence should be addressed.
Hungarian detectors modified and developed at the National Institute of Radiological Sciences (NIRS), Japan were placed at different sites, including homes and underground workplaces in Hungary, in order to gain information on the average radon (222Rn) and thoron (220Rn) concentration levels. Measurements were carried out in dwellings in a village and a manganese mine in Hungary. The radon and thoron concentrations in the dwellings of the village in the summer period were found to be 154 (17-1083) and 98 (1-714) Bq m-3, respectively. Considering the results of other radon measurements during the winter (814 Bq m-3) and summer (182 Bq m-3) periods, the thoron concentrations were also expected to be higher in winter. In the manganese mine, radon and thoron were measured at 20 points for 6 months, changing the detectors each month. The averages were 924 (308-1639) and 221 (61-510) Bq m-3 for radon and thoron, respectively. These results showed significant variance with the date and place of the measurement.
Received April 25, 2006
Revised July 6, 2006
Accepted July 9, 2006
RADON AND THORON PARALLEL MEASUREMENTS IN HUNGARY
N. Kávási 1, Cs. Németh 2, T. Kovács 1 *, S. Tokonami 3, V. Jobbágy 1, A. Várhegyi 4, Z. Gorjánácz 4, T. Vígh 5, and J. Somlai 1
2 Department of Physics, Pannon University, H-8201 Veszprém, P.O. Box 158, Hungary
3 Radon Research Group, National Institute of Radiological Sciences, 4-9-1 Anagawa, Inage -ku, Chiba 263-8555, Japan
4 Mecsek Environmental Protection Co. P.O. Box 121, 7614 Pécs, Hungary
5 Manganese Mining and Processing Ltd, Úrkút, Hungary
T. Kovács, E-mail: kt{at}almos.vein.hu
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