Protective measures
To minimize the risks associated with exposure to welding fumes and gases, welders need to be aware of the hazards of the materials they work with.
Forced air ventilation is necessary for welding in confined spaces.
Here are some strategies for reducing exposure while welding.
- OSHA's standard, 1910.1200, Hazard Communication, requires employers to provide information and training for workers on hazardous materials in the workplace.
- Welding surfaces should be cleaned of any coating that could potentially create toxic exposure, such as solvent residue and paint.
- Workers should position themselves to avoid breathing welding fumes and gases. For example, workers should stay upwind when welding in open or outdoor environments.
- In work areas without ventilation and exhaust systems, use natural drafts along with proper positioning to keep fumes and gases away from welders and others.
- Keep fume hoods, fume extractor guns and vacuum nozzles close to the plume source to remove the maximum amount of fume and gases. Portable or flexible exhaust systems can be positioned so that fumes and gases are drawn away from the welder.
- Consider substituting a lower fume-generating or less toxic welding type or consumable.
- Do not weld in confined spaces without forced-air ventilation. Natural ventilation is usually not adequate.
- Use respiratory protection if work practices and ventilation do not reduce exposures to safe levels.
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2-8. What method should be used to reduce the level of fumes and gas while welding in a confined space?
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