Document Detail

NORM workers: a challenge for internal dosimetry programmes.
MedLine Citation:
PMID:  14526977     Owner:  NLM     Status:  MEDLINE    
The mining, milling and processing of uranium and thorium bearing minerals may result in radiation doses to workers. The control of occupational exposures from these natural sources of radiation imposes a challenge to regulators and radiation protection advisers. A survey pilot programme, which included six mines in Brazil and a monazite plant, was established, consisting of the collection and analysis of concentrations of uranium, thorium and polonium in urine, faeces and air samples. Results from workers were compared to background data from their families living in the same area and from residents from the population of Rio de Janeiro. Positive exposure results were identified among the coal miners, the niobium miners and the monazite sand workers. Difficulties in the application of internal dosimetry programmes are discussed in relation to the control of NORM workers.
J L Lipsztein; D R Melo; W Sousa; K M Dias da Cunha; A M G Azeredo; L Julião; M Santos
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Publication Detail:
Type:  Comparative Study; Evaluation Studies; Journal Article    
Journal Detail:
Title:  Radiation protection dosimetry     Volume:  105     ISSN:  0144-8420     ISO Abbreviation:  Radiat Prot Dosimetry     Publication Date:  2003  
Date Detail:
Created Date:  2003-10-06     Completed Date:  2003-12-05     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  8109958     Medline TA:  Radiat Prot Dosimetry     Country:  England    
Other Details:
Languages:  eng     Pagination:  317-20     Citation Subset:  IM    
Instituto de Radioproteção e Dosimetria/CNEN, Av. Salvador Allende s/n, Rio de Janeiro, Brazil, CEP 22780-160.
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MeSH Terms
Administration, Inhalation
Administration, Oral
Air Pollution, Radioactive / analysis*
Inhalation Exposure / analysis*
Occupational Exposure / analysis*
Pilot Projects
Polonium / administration & dosage,  analysis,  pharmacokinetics
Radiation Dosage
Radiation Protection / methods
Radioisotopes / analysis,  pharmacokinetics*
Radiometry / methods*
Thorium / administration & dosage,  analysis,  pharmacokinetics
Uranium / administration & dosage,  analysis,  pharmacokinetics
Reg. No./Substance:
0/Radioisotopes; 7440-08-6/Polonium; 7440-29-1/Thorium; 7440-61-1/Uranium

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