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NATURAL RADIOACTIVITY STUDIES OF PHOSPHATE FERTILIZERS APPLIED ON GREEK FARM SOILS USED FOR WHEAT CULTIVATION.

ΤίτλοςNATURAL RADIOACTIVITY STUDIES OF PHOSPHATE FERTILIZERS APPLIED ON GREEK FARM SOILS USED FOR WHEAT CULTIVATION.
Publication TypeJournal Article
Year of Publication2018
AuthorsServitzoglou, N. G., Stoulos S., Katsantonis D., Papageorgiou M., & Siountas A.
JournalRadiat Prot Dosimetry
Date Published2018 Feb 03
ISSN1742-3406
Abstract

Naturally Occurring Radionuclide Materials (NORM) such as fertilizers, agricultural soils fertilized and wheat grain cultivated at those soils were studied regarding the radiation hazard to the public and workers. Activity of 238U, 226Ra, 232Th and 40K was measured hermitical sealing the marinelli beaker using the Stopaq FN 2100L material that prevent 222Rn escape from the baker. The phosphate fertilization of soil did not affect natural radioactivity in comparison with non-fertilized soils and also did not affect natural radioactivity of wheat grain cultivated since only 40K was measured. The high mean value of Dair 211 nGy h-1 for fertilizers compared to soils fertilized 53 nGy h-1 highlights the raising concern about radioprotection of workers occupied with tasks involving fertilizers. The maximum external dose rate 1.15 mSv y-1 calculated for truck drivers involved to transportation section is similar to annual external effective dose limit 1 mSv. Real concerns rise for workers in the fertilizers storage and supply department since the maximum dose rate estimated is 1.98 mSv y-1, while the mean value is 0.89 mSv y-1.

DOI10.1093/rpd/ncy009
Alternate JournalRadiat Prot Dosimetry
PubMed ID29415159

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Τμήμα Ιατρικής, Πανεπιστημιούπολη ΑΠΘ, T.K. 54124, Θεσσαλονίκη
 

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