Journal
RADIATION PROTECTION DOSIMETRY
Volume 156, Issue 1, Pages 49-58Publisher
OXFORD UNIV PRESS
DOI: 10.1093/rpd/nct037
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Twenty soil profile samples and fourteen surface soil samples collected from the vicinity of the lignite-fired power plants in the Megalopolis basin (Greece) were analysed for their natural radionuclide concentration and Cs-137, since fossil fuels are associated with naturally occurring radioactive materials and hence with radiological impact. No significant enhancement of surface soil radioactivity levels in the vicinity of lignite-fired plants was observed. A downcore decreasing trend of Cs-137 was observed in a number of cores reflecting its atmospheric origin, whereas the uniform distribution observed in a number of other cores gave information on the mechanical alteration of the soil. The average dose rate value was found to be 63 22 nGy h(1), while the annual average effective dose from the terrestrial gamma radiation was found to be 0.08 0.03 mSv.
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