Reassessment of individual dosimetry of long-lived alpha radionuclides of uranium miners through experimental determination of urinary excretion of uranium

Urinary excretion of uranium of 40 uranium miners was determined by the high-resolution inductively coupled mass spectrometry method. The concentration of uranium in the urine of the miners was converted to daily excretion of (238)U either under the assumption that the daily urinary excretion is 1.6...

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Bibliographic Details
Published in:Radiation protection dosimetry 2013-04, Vol.154 (2), p.198-206
Main Authors: Malatova, I., Beckova, V., Tomasek, L., Slezakova-Marusiakova, M., Hulka, J.
Format: Article
Language:English
Subjects:
Alpha Particles
Humans
Mass Spectrometry
Occupational Exposure - adverse effects
Radiation Dosage
Radiation Monitoring
Uranium - urine
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Summary:Urinary excretion of uranium of 40 uranium miners was determined by the high-resolution inductively coupled mass spectrometry method. The concentration of uranium in the urine of the miners was converted to daily excretion of (238)U either under the assumption that the daily urinary excretion is 1.6 l or daily urinary excretion of creatinine is 1.7 g and compared with the excretion of (238)U calculated with a biokinetic model. Input data to the excretion model were derived from personal three- component ALGADE dosemeters, using the component for the estimation of inhalation of long-lived alpha radionuclides. Experimentally found contents of uranium in the urine of uranium miners are generally lower than the modelled ones, which means that the dosimetric approach is conservative. The uncertainty of inhalation intakes, derived from the measurements of filters from personal dosemeters, and the uncertainty of the concentration of uranium in the urine are discussed.
ISSN:0144-8420
1742-3406
DOI:10.1093/rpd/ncs208