welding exhaust Articles
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IRSST Studies Efficacy of N95 Respirators in Conditions Representative of Human Breathing
On June 28, 2016, Institut de recherche Robert-Sauvé en santé et en sécurité du travail (IRSST) issued a press release announcing the availability of a study on “Efficiency Evaluation of N95 FFRs under Cyclic and Constant Flows.” Researchers tested the efficacy of N95 filtering facepiece respirators (FFR) in conditions of constant and cyclical air flow, ...
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Hexavalent Chromium (Hex Chrome) Control During Welding-Protecting Welders
Welders have the potential to be overexposed to Hexavalent Chromium, also called Hex Chrome, or Chrome 6 during welding especially if its production welding, or full shift welding on stainless steel. Overexposure to Hex Chrome can also occur on many forms of carbon steel since many steel alloys contain chromium. Also, welding rods may also contain chromium that can form into Hexavalent Chromium ...
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Welding Fumes and the effects of Manganese
The potential risks of welding operations include the potential to breathe in metal fumes and toxic gases. Fume particles are formed from the vaporisation of molten metal that occurs during the process. These particles are very fine in size and may join together to form larger particles.. The biggest risk is exposure to the manganese contained in fumes that are given off during welding. Inhaling ...
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Process-generated contaminants
Overview: There is not currently a formal and universally recognised definition of a process-generated substance. Process-generated contaminants can be generated as emissions from combustion processes, abrasion and/or other processes that physically or chemically degrade or otherwise modify the starting material(s), e.g. degradation/composting of organic materials. Such emissions are generally ...
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