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Archives of Hygiene Sciences، جلد ۶، شماره ۴، صفحات ۳۵۶-۳۶۲
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عنوان انگلیسی Designing, Constructing and Installing a Local Exhaust Ventilation System to Minimize Welders' Exposure to Welding Fumes
چکیده انگلیسی مقاله 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 conducted in the summer of 2016 among welders working in the repair shop of Sarcheshmeh Copper Complex. The study comprised three phases; in the first one, welders' exposure to welding fumes was assessed at the beginning of the study. After that, a local exhaust ventilation system was designed and installed in the aforementioned repair shop. In the final stage, welders' exposure to welding fumes was assessed again after installation of the ventilation system. The procedure recommended by NIOSH (method number 7300) was used for individual sampling of welders. Results: Based on the obtained findings, before installing the ventilation system, welding technicians were exposed to 0.3 mg/m3 of copper fumes and 0.04 mg/m3 of chromium fumes. Journeyman welders were also exposed to 2.16 mg/m3 of manganese fumes, while stellar welders were exposed to 6.9 mg/m3 of iron fumes. In the light of these measurements, a local exhaust ventilation system was designed and installed. Subsequently, measurement of exposure to welding fumes showed a significant reduction. That is, welding technicians were exposed to 0.17 mg/m3 and 0.015 mg/m3 of copper and chromium fumes respectively. Additionally, journeyman welders were exposed to 0.86 mg/m3 of manganese fumes, whereas stellar welders were exposed to 4.3 mg/m3 of iron fumes. Conclusions: A comparison of standard limits of exposure to welding fumes and the results obtained from measurements in sampling stations before and after the installation of the local exhaust ventilation system reveals that this controlling measure was very effective in the repair shop of Sarcheshmeh Copper Complex.
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نویسندگان مقاله d زارع | sajad zare
department of occupational health engineering, school of health, kerman university of medical sciences, kerman, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی کرمان (Kerman university of medical sciences)

یاسر صحرانورد | yaser sahranavard
health and safety executive unit, sarcheshmeh copper complex, rafsanjan, kerman, iran.


حسین علی حکیمی | hossein ali hakimi
health and safety executive unit, sarcheshmeh copper complex, rafsanjan, kerman, iran


مخلص باطنی | mokhles bateni


معصومه کرمی | masoumeh karami
health and safety executive unit, sarcheshmeh copper complex, rafsanjan, kerman, iran


رسول همت جو | rasoul hemmatjo
department of occupational health, school of health, urmia university of medical sciences, urmia, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی ارومیه (Urmia university of medical sciences)

نشانی اینترنتی http://jhygiene.muq.ac.ir/browse.php?a_code=A-10-130-1&slc_lang=en&sid=en
فایل مقاله دریافت فایل مقاله
کد مقاله (doi)
زبان مقاله منتشر شده en
موضوعات مقاله منتشر شده Occuptional Health
نوع مقاله منتشر شده پژوهشی
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