Feasibility studies for assessing internal exposure to 233U

Mehta, D, Sharmar, R, Haridasan, T, Sawant, P and Rathinam, M 2003, 'Feasibility studies for assessing internal exposure to 233U', Radiation Protection Dosimetry, vol. 105, no. 39904, pp. 365-368.


Document type: Journal Article
Collection: Journal Articles

Title Feasibility studies for assessing internal exposure to 233U
Author(s) Mehta, D
Sharmar, R
Haridasan, T
Sawant, P
Rathinam, M
Year 2003
Journal name Radiation Protection Dosimetry
Volume number 105
Issue number 39904
Start page 365
End page 368
Total pages 4
Publisher Oxford University Press
Abstract The potential internal occupational exposure encountered as a consequence of the 232Th-233U fuel cycle are likely to arise predominantly from the inhalation of 232Th, 233U and (232Th + 233U) compounds of absorption Types M and S. In the past, although direct and indirect methods for assessments of internal exposure to 232Th and its daughters were developed, standardised and employed, no such attempts have been made with regard to 233U and 233U + 232Th. Therefore, feasibility studies for assessing internal exposure to 233U have been conducted using three methods: urine bioassay, in vivo counting and measurement of thoron gas in the exhaled breath of a worker. This paper describes details of these studies and discusses the results obtained.
Subject Nuclear Physics
Keyword(s) article
bioassay
breathing
controlled study
exhalation
feasibility study
gas
human
in vivo study
inhalation
mathematical analysis
measurement
methodology
nuclear power plant
occupational exposure
personnel radiation monitoring
radiation absorption
radiation exposure
standardization
urinalysis
worker
ISSN 0144-8420
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