Abstract
The international agency for cancer research (IARC) has classified welding fumes as definitive carcinogens. The aim of the present study was to assess health risk due to exposure to welding fumes in different welding types. In this study, exposure to fumes of iron (Fe), chromium (Cr), and nickel (Ni) in the breathing zone air of 31 welder engaged in arc, argon and CO2 welding was assessed. Carcinogenic and non-carcinogenic risk assessments due to exposure to fumes were performed using the method proposed by the Environmental Protection Agency (EPA) by Monte Carlo simulation. The results showed that in the CO2 welding, concentration of Ni, Cr, and Fe was lower than the 8-h Time-Weighted Average Threshold Limit Value (TWA-TLV), recommended by the American Conference of Governmental Industrial Hygienists (ACGIH). In argon welding, Cr and Fe concentrations were higher than the TWA-TLV. In arc welding, concentrations of Ni and Fe were more than the TWA-TLV. In addition, the risk of non-carcinogenicity due to exposure to Ni and Fe in all three types of welding was more than standard level (HQ>1). The results indicated that the welders are at health risk due to exposure to metal fumes. Preventive exposure control measures such as local ventilation need to be implemented in welding workplaces.
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We are thankful to all those who have helped in carrying out the research.
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This study was financially supported by the National Institute for Medical Research Development (NIMAD) (number: 989904).
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Y.M. and Kh. A, and Y.R. designed and directed the project, Z. S, Y. M and E.S. collected and analyzed the samples. Z. H, Y. R and E.S. assisted in the analysis of samples and interpreted the results. All authors discussed the results and commented on the manuscript.
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Soltanpour, Z., Rasoulzadeh, Y., Ansarin, K. et al. Carcinogenic and non-carcinogenic risk of exposure to metal fume in different types of welding processes. Environ Sci Pollut Res 30, 83728–83734 (2023). https://doi.org/10.1007/s11356-023-28258-6
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DOI: https://doi.org/10.1007/s11356-023-28258-6