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Gopal Reddy, Ch.; Yadagiri Reddy, P.; Rama Reddy, K.; Sreenivasa Reddy, B.
Societe Francaise de Radioprotection - SFRP, BP72, 92263 Fontenay-aux-Roses Cedex (France)2006
Societe Francaise de Radioprotection - SFRP, BP72, 92263 Fontenay-aux-Roses Cedex (France)2006
AbstractAbstract
[en] Measurements on indoor radioactivity levels were carried out along the Godavari river belt in Khammam district of Andhra Pradesh, India to establish radiation profile along the river eco-system. Solid State Nuclear Track Detector (S.S.N.T.D.) based dosimetric systems were used to estimate the indoor radon/thoron and their progeny levels. The measured average values of indoor radon and thoron concentrations were found to be 43.2±13.9 and 22.6±16.8 Bq m-3 and the corresponding progeny levels were 3.57 and 8.12 m WL ( working level), respectively. The season-wise variations of radon/thoron concentrations and their progeny levels were also studied. The annual effective dose estimations were carried out using UNSCEAR dose conversion factors. The natural background gamma radiation levels were also measured using thermoluminescence dosimeters and μR-survey meter. (authors)
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Source
2006; 10 p; Second European IRPA congress on radiation protection - Radiation protection: from knowledge to action; Paris (France); 15-19 May 2006
Record Type
Miscellaneous
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Conference
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ALPHA DECAY RADIOISOTOPES, ASIA, CONTAMINATION, DEVELOPING COUNTRIES, ELECTROMAGNETIC RADIATION, ELEMENTS, EVEN-EVEN NUCLEI, FLUIDS, GASES, HEAVY NUCLEI, IONIZING RADIATIONS, ISOTOPES, MEASURING INSTRUMENTS, MONITORING, NONMETALS, NUCLEI, RADIATIONS, RADIOISOTOPES, RADON ISOTOPES, RARE GASES, SECONDS LIVING RADIOISOTOPES, SURFACE WATERS
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