Comparison and evaluation of sampling and analytical methods in the determination of toxic metals in workplace welding fumes Abstract of the Thesis
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of the Thesis
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Concentration Evaluation and Health Risk Assessment of Welders' Exposure to Total Fumes and Manganese during Welding at Metal Industry
Introduction and purpose: Risk assessment of toxic or hazardous chemicals enables industrial hygienists to make appropriate decisions regarding management provisions in a healthy workplace. Exposure to total fumes and manganese during welding can have harmful effects on welders’ health. Therefore, the present study was conducted in the metal industry to evaluate the concentration and determine ...
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Background & Aims of the Study: Welder’s exposure to welding fumes can cause occupational diseases. The current study sought to examine exposure to welding fumes among welders who work in the repair shop of Sarcheshmeh Copper Complex and design a local exhaust ventilation system to control exposure to welding fumes. Materials & Methods: This applied analytical study was co...
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Introduction: Risk identification and investigation is an appropriate and practical approach for the occupational health professionals. This paper aims to determine exposure to the gases and metal fumes and to perform risk analysis in three common types of welding activities in a shipbuilding industry. Material and method: This analytical cross-sectional study was conducted in a shipbuilding i...
متن کاملEvaluation and Determination of Toxic Metals, Lead and Cadmium, in Incoming Raw Milk from Traditional and Industrial Farms to Milk Production Factories in Arak, Iran
Background: Milk is regarded as a unique source of food for all ages. When milk is exposed to various contaminants, including lead and cadmium, it is considered a risk to humans. The presence of some metal pollutants, especially Cd and Pb, facilitates their entry into the food chain and thus increases the possibility of their toxic effects on humans and animals. Therefore, we decided to check...
متن کاملThe Study of Histopathological Effects of Electric Welding Fumes on Bronchiole and Lung of Rats
Purpose: The aim of the present study was to identify the quantitative and qualitative changes of bronchiole and lung alveoli in Rat after exposure to welding fumes. Materials and Methods: A total number of 60 male Sprague Dawley Rats were divided into two groups: imental (40) and control (20). Rats of each group were subdivided into 2, 4, 6 and 8 subgroups. Experimental Rats were exposed to w...
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