Abstract
Abstract The metal contents of welding fumes produced at the shipyard Astilleros Espanoles in Puerto Real, Spain, were investigated to assess the hygiene hazards in order to improve health conditions at the factory. Personal and environmental samples were collected on a cellulose or polyvinylchloride filter with the aid of a sampler in compliance with National Institute for Occupational Safety and Health standard methods. Quantitative metal determinations were carried out by flame atomic absorption spectroscopy. A microscopic examination was also achieved to assess shape and size of metal particles. The results obtained for metals and particles were compared with established threshold limit values, and conclusions were drawn according to the type of welding procedure, sampling place, and use of fume extractor.
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