The class “Welding Fumes and Gases Safety” helps students to understand the dangers of fume and gas generation in welding. The fume plume, a visible cloud of smoke rising from the molten metal, consists of complex metallic oxides and particles formed from the consumable and base metal. Shielding gases used in welding may also produce potentially harmful fumes. Exposure to fumes can be managed through engineering controls, ventilation, proper PPE, and adherence to exposure limits set by OSHA or other organizations. After taking this class, the student will understand the potential dangers of welding fumes and gases, as well as the acute and chronic symptoms that may develop after overexposure. This class discusses how workplace practices and engineering controls can be used to control exposure, in addition to following Permissible Exposure Limits and using air-supplied respirators when necessary.
- Describe the dangers posed by the fume plume
- Describe the fume plume
- Distinguish between acute exposure and chronic exposure
- Describe the dangers of iron oxides in welding fumes
- Describe the dangers of manganese and silica in welding fumes
- Describe the dangers of chromium and nickel fumes
- Describe the dangers of common base metals and coatings
- Describe the dangers of shielding gases
- Describe the dangers of process gas generation
- Explain the danger of fumes and UV rays
- Contrast between different fume generation rates in welding processes
- Describe fume control regulation
- Explain how engineering controls and work practice controls can be used to control fume exposure
- Explain how hazard communication and PPE can lower exposure
- Explain how to control fumes with natural ventilation
- Explain how to control fumes with exhaust systems
- Explain fume exposure measurement
- Explain how to handle overexposure to welding fumes and gases.
- Recommended for manufacturing personnel, including engineers, technicians and managers, particularly handling welding operations.
New Applicants, Operations team, 1st level supervisor
Method of Delivery
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