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Indoor radon concentration undergoes 24-hour and seasonal changes. The paper presents first in Poland results of radon concentration changeability in one building during the whole year. We performed 103 measurements of indoor radon concentrations. The following parameters of radon concentration distribution were obtained: arithmetic mean - 224.1 Bq m 3, geometric mean - 194.5 Bq m 3, median - 207 Bq m 3, and geometric standard deviation - 1.84. The minimum observed value was 22 Bq m 3 and the maximum - 748 Bq m 3. We determined the monthly and annual values of radon concentrations. The values for particular months are in the range of 0.5 to 1.6 of the annual mean. We observed a correlation between the mean radon concentrations in the examined buildings and the differences in the mean values of indoor (R = 0.91, p < 0.05) and outdoor temperatures (R = 0.91, p < 0.05). There was also a connection between the radon concentration inside the buildings and the changes in atmospheric pressure.
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33--36
Opis fizyczny
Bibliogr. 18 poz., rys.
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- Department of Biophysics, Medical University of Białystok, 2A Mickiewicza Str., 15-089 Białystok, Poland, Tel.: +48 85/ 748 56 67, Fax: +48 85/ 748 54 16
autor
- Department of Biophysics, Medical University of Białystok, 2A Mickiewicza Str., 15-089 Białystok, Poland, Tel.: +48 85/ 748 56 67, Fax: +48 85/ 748 54 16
autor
- Department of Biophysics, Medical University of Białystok, 2A Mickiewicza Str., 15-089 Białystok, Poland, Tel.: +48 85/ 748 56 67, Fax: +48 85/ 748 54 16
autor
- Department of Biophysics, Medical University of Białystok, 2A Mickiewicza Str., 15-089 Białystok, Poland, Tel.: +48 85/ 748 56 67, Fax: +48 85/ 748 54 16
Bibliografia
- 1. Biernacka M, Henszke J, Jagielak J, Koczyński A, MamontCieśla K (1991) Preliminary measurements of the natural ionization radiation in three types of buildings in Poland. Postępy Fizyki Medycznej 26;1/2:55−66
- 2. Fleischer RL, Morgano-Campero A, Turner LG (1983) Indoor radon levels in the Northeastern U S: effects on energy-efficiency in homes. Health Phys 45;2:407−412
- 3. Hubbard LM, Hagberg N (1996) Time-variation of the soil gas radon concentration under and near a Swedish house. Environment International 22;S1:s477−s482
- 4. Hubbard LM, Mellander H, Swedjemark GA (1996) Studies on temporal variations of radon in Swedish single-family houses. Environment International 22;S1:s715−s722
- 5. Karpińska M, Wołkowicz S, Mnich Z, Zalewski M, MamontCieśla K, Kapała J (2002) Comparative studies of health hazard from radon (Rn-222) in two selected lithologic formations in the Suwałki region (in Poland). J Environ Radioact 61:149−158
- 6. Mamont-Cieśla K (1993) Sources of radon in indoor air. Nukleonika 38;4:71−86
- 7. Marley F (1999) Investigation of atmospheric, mechanical and other pressure effects influencing the levels of radon and radon progeny in buildings. Health Phys 77;5:556−570
- 8. Miles J (1998) Mapping radon-prone areas by lognormal modeling of house radon data. Health Phys 74;3:370−378
- 9. Pinel J, Fearn T, Darby SC, Miles JCH (1995) Seasonal correction factors for indoor radon measurements in the United Kingdom. Radiat Prot Dosim 58:127−132
- 10. Przylibski T (2002) Radon in the environment of groundwaters and upper part of lithosphere. Wiadomości Chemiczne 56;11/12:1004−1033 (in Polish)
- 11. Revzan KL, Fisk WJ, Sextro RG (1993) Modelling radon entry into Florida slab-on-grade houses. Health Phys 65:375−385
- 12. Strzelecki R, Wołkowicz S (1993) Geology and radon emanation occurrence. Postępy Techniki Jądrowej 36;1/2:3−6 (in Polish)
- 13. Varley NR, Flowers AG (1992) Radon and its correlation with some geological features of the South-West of England. Radiat Prot Dosim 45;1/4:245−248
- 14. Varley NR, Flowers AG (1998) Indoor radon prediction from soil gas measurements. Health Phys 74;6:714−718
- 15. Varley NR, Flowers AG (1998) The influence of geology on radon levels in South-West England. Radiat Prot Dosim 77;3:171−176
- 16. Verger P, Hubert Ph, Cheron S, Bonnefous S, Bottard S, Brenot J (1994) Use of field measurements in radon mapping in France. Radiat Prot Dosim 56;1/4:225−229
- 17. Wilson DL, Gammage RB, Dudney CS, Saultz RJ (1991) Summertime elevation of Rn-222 levels in Huntsville, Alabama. Health Phys 60;2:189−197
- 18. Wrixon AD, Green BMR, Lomas PR et al. (1988) Natural radiation exposure in UK dwellings. Report NRPB-R190, London: Her Majesty’s Stationery Office, National Radiological Protection Board
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BUJ6-0005-0045