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2 2006

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Spatial 137Cs distribution in forest soil

Dołhańczuk-Śródka A., Smuda M., Ziembik Z., Wacławek M.

Nukleonika

2006

Vol. 51,suppl.2

69-79

This work presents the distribution of radioactive caesium in several types of forest soil originating from the Lesisko reserve (Opole Province, Poland). Vertical distribution of 137Cs isotope was determined in the profiles related to physicochemical properties of different types of soils and their location. Thickness of emerging genetic horizons, structure and morphology of soil profiles were determined. The highest 137Cs activities were found in Of and A horizons. At the same time, there was a sudden drop of 137Cs activity in mineral horizons of soil profiles. By analysis of caesium radioisotope content and its distribution in soil profiles significant correlations were observed between certain physicochemical properties (e.g. pH value, hydrolytic acidity, granulometric composition) of soils in selected forest habitats.

Badania aktywności radonu na terenie gminy Strzeleczki

Dołhańczuk-Śródka A., Chalecka E., Ziembik Z., Smuda M., Wacławek M.

Chemia i Inżynieria Ekologiczna

2006

Vol. 13, nr S4

539-546

Przedstawiono wyniki pomiarów aktywności 222Rn wykonanych przez uczniów Gimnazjum w Strzeleczkach w 31 mieszkaniach. Pomiary miały na celu rozpropagowanie wśród młodzieży i mieszkańców gminy wiedzy na temat zagrożeń radiologicznych. Pomiary wskazują, że wszystkie z ww. mieszkań spełniają obowiązujące zalecenia Komisji Europejskiej z dn. 21.02.1990 r. (Commission Recommenda-tion 90/143/Euratom) dotyczące dopuszczalnych aktywności radonu.

Presented results of measurement of the 222Rn radioactivity into 31 fiat buildings carriered out by schoolboys of the secondary school in Strzeleczki, Opole province, Pl. Measurements had on purpose lo propagating among young people knowledge about radiological threats and instrumentation - of consciousness among young people and the fest of inhabitants of the district. The measurements were performed by pupils of the Grammar School. The purpose of them was spreading of knowledge on radio-logical risk for people. The results for all houses revealed, that radon concentrations are smaller. than the EU Commission recommendations (90/143/Euratom).