Water-Based Automobile Paints Potentially Reduce the Exposure of Refinish Painters to Toxic Metals

International Journal of Environmental Research and Public Health
Der-Jen HsuYeh-Chung Chien

Abstract

Exposure to lead-containing dusts is a global public health concern. This work addresses an important issue of whether eco-friendly water-based paints reduce the exposure potential of auto-repainting workers to metals. With this aim, metal levels in automobile paints and worker metal exposure were measured using both solvent- and water-based paints. The levels of metals, and particularly Pb, Cr (total), Fe, and Cu, in solvent-based paints varied greatly among colors and brands. Lead concentrations ranged from below the detection limit (~0.25 &mu;g/g) to 107,928 &mu;g/g (dry film) across all samples. In water-based paints, the concentrations of Pb and Cr (total) were generally two to three orders of magnitude lower, but the concentrations of Al and Cu exceeded those in some solvent-based paints. The personal short-term exposure of workers who applied water-based paints of popular colors, such as black and white, were generally low, with Pb levels of less than <4 &micro;g/m³ and Cr (total) levels of less than 1 &micro;g/m³. Conversely, mean short-term exposure to Pb during the painting of a yellow cab using solvent-based paints were 2028 &micro;g/m³, which was ~14 times the Taiwan short-term permissible exposure limit, while the ...Continue Reading

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Citations

Dec 18, 2019·Environmental Monitoring and Assessment·Julierme Zimmer BarbosaNilton Curi
Nov 20, 2021·Toxicology and Industrial Health·Ali Ghaffarian-BahramanMohsen Rezaeian
Oct 24, 2021·Integrated Environmental Assessment and Management·Lawrence A BrownStephen G Whittaker

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Methods Mentioned

BETA
scraping

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