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首页> 外文期刊>International Journal of Environmental Research and Public Health >Total Fume and Metal Concentrations during Welding in Selected Factories in Jeddah, Saudi Arabia
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Total Fume and Metal Concentrations during Welding in Selected Factories in Jeddah, Saudi Arabia

机译：沙特阿拉伯吉达某些工厂焊接过程中的总烟气和金属浓度

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摘要

Welding is a major industrial process used for joining metals. Occupational exposure to welding fumes is a serious occupational health problem all over the world. The degree of risk to welder’s health from fumes depends on composition, concentration, and the length of exposure. The aim of this study was to investigate workers’ welding fume exposure levels in some industries in Jeddah, Saudi Arabia. In each factory, the air in the breathing zone within 0.5 m from welders was sampled during 8-hour shifts. Total particulates, manganese, copper, and molybdenum concentrations of welding fumes were determined. Mean values of eight-hour average particulate concentrations measured during welding at the welders breathing zone were 6.3 mg/m3 (Factory 1), 5.3 mg/m3 (Factory 2), 11.3 mg/m3 (Factory 3), 6.8 mg/m3 (Factory 4), 4.7 mg/m3 (Factory 5), and 3.0 mg/m3 (Factory 6). Mean values of airborne manganese, copper, and molybdenum levels measured during welding were in the range of 0.010 mg/m3–0.477 mg/m3, 0.001 mg/m3–0.080 mg/m3 and 0.001 mg/m3–0.058 mg/m3 respectively. Mean values of calculated equivalent exposure values were: 1.50 (Factory 1), 1.56 (Factory 2), 5.14 (Factory 3), 2.21 (Factory 4), 2.89 (Factory 5), and 1.20 (Factory 6). The welders in factories 1, 2, 3, and 4 were exposed to welding fume concentration above the SASO limit value, which may increase the risk of respiratory health problems.
机译：焊接是用于连接金属的主要工业过程。在世界范围内，职业暴露于焊接烟雾是一个严重的职业健康问题。烟气对焊工健康的风险程度取决于成分，浓度和暴露时间。这项研究的目的是调查沙特阿拉伯吉达某些行业工人的焊接烟雾暴露水平。在每个工厂中，在8小时班次期间，对距焊工0.5 m以内的呼吸区域中的空气进行了采样。确定了焊接烟尘中的总颗粒，锰，铜和钼浓度。在焊工呼吸区进行焊接时测得的八小时平均颗粒物浓度平均值为6.3 mg / m3（工厂1），5.3 mg / m3（工厂2），11.3 mg / m3（工厂3），6.8 mg / m3（工厂工厂4），4.7 mg / m3（工厂5）和3.0 mg / m3（工厂6）。焊接过程中测得的空气中锰，铜和钼的平均值分别在0.010 mg / m3-0.477 mg / m3、0.001 mg / m3-0.080 mg / m3和0.001 mg / m3-0.058 mg / m3的范围内。计算的等效暴露值的平均值为：1.50（工厂1），1.56（工厂2），5.14（工厂3），2.21（工厂4），2.89（工厂5）和1.20（工厂6）。工厂1、2、3和4中的焊工暴露于高于SASO限值的焊接烟雾浓度中，这可能会增加呼吸系统健康问题的风险。

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