Authors:
H. Dang Bhabha Atomic Research Centre Health Physics Division 400 085 Bombay (India)

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D. Jaiswal Bhabha Atomic Research Centre Health Physics Division 400 085 Bombay (India)

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K. Murthy Bhabha Atomic Research Centre Health Physics Division 400 085 Bombay (India)

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R. Sharma Bhabha Atomic Research Centre Health Physics Division 400 085 Bombay (India)

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P. Nambiar Bhabha Atomic Research Centre Health Physics Division 400 085 Bombay (India)

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C. Sunta Bhabha Atomic Research Centre Health Physics Division 400 085 Bombay (India)

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Abstract  

This paper compares the urinary excretion levels of Th obtained in bio-assay monitoring using the neutron activation technique with those predicted by applying the ICRP metabolic model to the measured Th activity in chest and total body of a group of Thorium plant workers. The results indicated much lower urinary Th excretion as compared to what was expected on the basis of the ICRP model. Lower urinary excretion in occupational subjects is explained in terms of negligible contribution of skeleton and soft tissue to the activity excreted in urine. It is suggested that the existing model should be modified to enable it to be applicable to the bio-assay monitoring of occupational workers.

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Journal of Radionalytical and Nuclear Chemistry
Language English
Size A4
Year of
Foundation
1968
Volumes
per Year
1
Issues
per Year
12
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-5731 (Print)
ISSN 1588-2780 (Online)