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Pawel Gaca, Bogdan Skwarzec, Jerzy W. Mietelski

Geographical distribution of ⁹⁰Sr contamination in Poland

Keywords: 90Sr contamination, Geographical distribution, Poland, Bilberries, Chernobyl influence

The paper presents results on determination of ⁹⁰Sr in bilberry and cowberry leaves (Vaccinium myrtillus and Vaccinium vitis-idaea) and the use of these plants as bio-monitors of radiostrontium contamination in Poland. Radiostrontium was determined by mean of liquid scintillation spectrometry preceded by radiochemical separation using Sr-resin and ⁸⁵Sr tracer. The approximate map of ⁹⁰Sr contamination of Poland is presented. The activity ratio between ⁹⁰Sr and obtained earlier data for ¹³⁷Cs in the same samples is discussed. The enhancement of radiostrontium content observed in northeastern Poland seems to be the trace of hot-particles fallout from initial Chernobyl cloud, which passed over Polish territory toward Scandinavia.

Radiochimica Acta, Oldenbourg Wissenschaftsverlag

Print ISSN: 0033-8230
Volume: 94, 03/2006
Pages: 175 - 179

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