Abstract:
:Welding fumes contain various toxic metals including chromium (Cr), nickel (Ni) and manganese (Mn). An assessment of the risk to health of local and systemic exposure to welding fumes requires the assessment of both external and internal doses. The aims of this study were to test the relevance in small and medium sized enterprises of a biomonitoring strategy based on urine spot-samples, to characterize the factors influencing the internal doses of metals in gas metal arc welders and to recommend effective risk management measures. 137 welders were recruited and urinary levels of metals were measured by ICP-MS on post-shift samples collected at the end of the working week. Cr, Ni and Mn mean concentrations (respectively 0.43, 1.69 and 0.27 μg/g creatinine) were well below occupational health guidance values, but still higher than background levels observed in the general population, confirming the absorption of metals generated in welding fumes. Both welding parameters (nature of base metal, welding technique) and working conditions (confinement, welding and grinding durations, mechanical ventilation and welding experience) were predictive of occupational exposure. Our results confirm the interest of biomonitoring for assessing health risks and recommending risk management measures for welders.
journal_name
Toxicol Lettjournal_title
Toxicology lettersauthors
Persoons R,Arnoux D,Monssu T,Culié O,Roche G,Duffaud B,Chalaye D,Maitre Adoi
10.1016/j.toxlet.2014.09.008subject
Has Abstractpub_date
2014-12-01 00:00:00pages
135-41issue
2eissn
0378-4274issn
1879-3169pii
S0378-4274(14)01342-3journal_volume
231pub_type
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