Document Detail

Natural variation in (210)Po and (210)Pb activity concentrations in the urine of Finnish population groups.
MedLine Citation:
PMID:  21922285     Owner:  NLM     Status:  Publisher    
A study to determine activity concentrations of (210)Pb and (210)Po in the urine of certain Finnish population groups was conducted, to investigate the variation in natural background level of urinary excretion. The study participants were divided into three groups mainly based on their diet. The first group comprised recreational fishermen and the second group represented people consuming more reindeer meat than an average Finn, while people using drinking water with very high activity concentrations of (210)Po were selected for the third group. The fourth group was a control group. The mean urinary excretion of (210)Po in groups 1 and 2 was 73 and 100 mBq d(-1), respectively. These values were higher than the value of the control group (20 mBq d(-1)) and the mean values reported in the literature. The mean daily urinary excretion of (210)Pb in groups 1 and 2, 70 and 52 mBq d(-1), was also slightly higher than that in the control group (32 mBq d(-1)). In contrast, the excretion rates of both (210)Po and (210)Pb for the members of group 3 were one to two orders of magnitude higher than those reported in the literature. This was clearly due to the elevated levels of natural radionuclides in their drinking water. The present study demonstrates the importance of possessing good knowledge of the background levels, in order to allow the determination of the additional exposure due, for example, to the malevolent use of radiation.
Maarit Muikku; Tarja Heikkinen; Dina Solatie; Pia Vesterbacka
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-9-16
Journal Detail:
Title:  Radiation and environmental biophysics     Volume:  -     ISSN:  1432-2099     ISO Abbreviation:  -     Publication Date:  2011 Sep 
Date Detail:
Created Date:  2011-9-16     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0415677     Medline TA:  Radiat Environ Biophys     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
STUK-Radiation and Nuclear Safety Authority, P.O. Box 14, 00881, Helsinki, Finland,
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