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[en] The global source of radionuclide contamination in our country are fallout due to previous nuclear testing and deposition of radionuclides from the regions of nuclear accidents, Chernobyl 1986 and Fukushima 2011. Environmental radioactivity monitoring radioactivity is a very important for the preservation of public health and the environment from the harmful effects of ionizing radiation as well as assessment of contamination caused by unwanted accidents. Gamma spectrometry determination of 137Cs and cosmogony radionuclide 7Be in aerosol in Belgrade are a part of monitoring programme. 137Cs activity concentration was between < 0.2 μBq/m3 and 2.06 μBq/m3 during the period 2007-2010. The fission products 131I,137Cs and 134Cs were detected in the aerosol in Belgrade after the Fukushima nuclear reactor accident.
[sr]
Globalni izvori radioaktivne kontaminacije su padavine nakon nuklearnih proba u atmosferi i radionuklidi poreklom iz regiona u kojima su bili nuklearni akcidenti, Cernobiljski 1986. godine i akcident u nuklearnoj elektrani Fukusima u Japanu u martu 2011. godine. Sistematsko pracenje radioaktivnosti u zivotnoj sredini preduslov su za ocuvanje zdravlja stanovnistva i zastite zivotne sredine od stetnog dejstva jonizujuceg zracenja, kao i procene kontaminacije nastale usled nezeljenih akcidenata. Kao deo monitoring programa je pracenje aktivnosti vestackog radionuklda 137Cs kao i 7Be radionuklida kosmogenog porekla u vazduhu. U periodu 2007.-2010. godine aktivnost 137Cs kretala se od < 0.2 μBq/m3 do 2.06 μBq/m3. Nakon akcidenta u nuklearnoj elektrani Fukusima u Japanu 11. marta 2011. godine u vazduhu u Beogradu detektovani su 131I, 137Cs i 134Cs.Source
Kovacevic, M. (ed.) (Institute of Nuclear Sciences VINCA, P.O.Box 522, 11001 Belgrade (Serbia)); 373 p; ISBN 978-86-7306-105-4; 
; Sep 2011; p. 116-119; 26. Symposium of Radiation Protection Society of Serbia and Montenegro; Tara (Serbia); 12-14 Oct 2011; 4 refs., 3 figs., 1tab.
; Sep 2011; p. 116-119; 26. Symposium of Radiation Protection Society of Serbia and Montenegro; Tara (Serbia); 12-14 Oct 2011; 4 refs., 3 figs., 1tab.