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International Journal of Environmental Health Research Volume 19, 2009 - Issue 5
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A study of factors influencing urinary arsenic excretion in exposed workers

Luigi Vimercati Department of Internal Medicine and Public Health, Section of Occupational Medicine “B. Ramazzini”, University of Bari, Bari, ItalyCorrespondence[email protected]
,
Antonio Carrus Department of Internal Medicine and Public Health, Section of Occupational Medicine “B. Ramazzini”, University of Bari, Bari, Italy
,
Giuseppe Sciannamblo Department of Internal Medicine and Public Health, Section of Occupational Medicine “B. Ramazzini”, University of Bari, Bari, Italy
,
Francesca Caputo Department of Internal Medicine and Public Health, Section of Occupational Medicine “B. Ramazzini”, University of Bari, Bari, Italy
,
Viviana Minunni Department of Internal Medicine and Public Health, Section of Occupational Medicine “B. Ramazzini”, University of Bari, Bari, Italy
,
Gigliola de Nichilo Department of Internal Medicine and Public Health, Section of Occupational Medicine “B. Ramazzini”, University of Bari, Bari, Italy
,
Maria Rosaria Bellotta Department of Internal Medicine and Public Health, Section of Occupational Medicine “B. Ramazzini”, University of Bari, Bari, Italy
,
Tommaso Gagliardi Department of Internal Medicine and Public Health, Section of Occupational Medicine “B. Ramazzini”, University of Bari, Bari, Italy
,
Lucia Bisceglia Department of Internal Medicine and Public Health, Section of Occupational Medicine “B. Ramazzini”, University of Bari, Bari, Italy
&
Giorgio Assennato Department of Internal Medicine and Public Health, Section of Occupational Medicine “B. Ramazzini”, University of Bari, Bari, Italy
 show all
Pages 369-377 | Received 19 Sep 2008, Accepted 10 Feb 2009, Published online: 04 Sep 2009
 
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Abstract

This study was designed to evaluate the influence of occupational and non-occupational factors on urinary arsenic excretion in workers exposed to iAs (inorganic arsenic) in the dismantlement of a factory which once produced fertilisers. We measured iAs and its methylated metabolites in 108 urinary samples of workers exposed to iAs in July 2006. A total of 13.9% of the samples showed levels higher than the Biological Exposure Index (BEI) of 35 μg/l (mean value 23.9 μg/l). After the improvement of working conditions, in August–October 2006 we collected urinary samples from each of the 108 workers enrolled. We also administrated a questionnaire, in order to investigate the influence of occupational and non-occupational factors on the urinary arsenic excretion. A significant difference was observed in relation with seafood consumption and age stratification. We have found a significant reduction of urinary arsenic excretion between the two phases of biological monitoring, probably due to appropriate hygiene work-related interventions.

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