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Pb-210 in ground-level air in Belgrade city area

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Authors
Todorović, Dragana
Popovic, D
Djuric, G
Radenković, Mirjana
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Abstract
Concentrations of Pb-210 in ground level air in the city area (Belgrade, Central Serbia) were measured in the period from 1985 to 1996. The activity of Pb-210 in air filters was determined on a HPGe detector by standard gamma spectrometry. Total standard error of the method was estimated to be below 25%. The average monthly concentrations of Pb-210 in the ground level air in the period from 1985 to 1996 were in the range of 0.30-3.17 mBq m(-3) with the maxima in fall-winter periods and minimums in springs and early summers. The seasonal indices were 1.12-1.59 for fall-winter and 0.77-0.92 for spring-summer periods. The ratios of maximum-to-minimum concentrations in each year were relatively stable over the period, with slight increase in 1985, 1989 and 1995. The investigations are part of the long-term measurements of natural and man-made radionuclides in the ground-level air in the region. (C) 2000 Elsevier Science Ltd. All rights reserved.
Keywords:
radionuclides / air activity concentrations / monitoring / seasonal variations
Source:
Atmospheric Environment, 2000, 34, 19, 3245-3248

DOI: 10.1016/S1352-2310(99)00500-2

ISSN: 1352-2310

WoS: 000087530900020

Scopus: 2-s2.0-0034057766
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http://vinar.vin.bg.ac.rs/handle/123456789/2350
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