WELDING FUMES HAZARDS

Welding fumes hazards are mostly caused by exposure to gas byproducts and metal oxides. Welding fumes are tiny particles and vapors produced during the welding process. If these fumes are breathed, they may be hazardous to the health of the welder and anyone around.

There are numerous risks in welding fumes. Some are ozone, manganese oxide, and iron oxide. Ozone may irritate the eyes, nose, and throat while also inducing coughing and chest pain. Manganese oxide and iron oxide are metal oxides formed during the welding process. These compounds, in large concentrations, may cause respiratory problems and be dangerous.

TYPES

Welding fumes pose various dangers, each with its own features and possible health problems.

  • Gaseous Fumes. Welding also generates several gasses. If breathed in sufficient numbers, these gasses may be dangerous and produce a range of symptoms, such as headaches, dizziness, and respiratory issues.
  • Respirable Particles. These particles may irritate and inflame the lungs, increasing the risk of lung disorders such as COPD.
  • Metal Fumes. Metal vapors may include harmful metal compounds such as manganese, iron, and zinc if absorbed in sufficient numbers.
  • Thermal Burn. If the welder does not take necessary safety measures, such as wearing heat-resistant clothes and gloves, the heat created during welding may inflict thermal burns.
  • Noise. Long-term exposure to loud noise may harm one’s hearing.
  • Ultraviolet Radiation.  Welding arcs emit UV radiation, which may produce “welders flash” (photokeratitis) and increase the risk of cataracts.

Effects Of Welding Fumes On Health

  • It can result in throat, nose, and eye irritation.
  • It can result in lung damage and other kinds of cancer.
  • It can result in stomach ulcers, fever, nervous system, and kidney damage.

Moreover, when welding in restricted or enclosed places, gases like argon, and helium, can replace oxygen in the air and cause asphyxiation. The formation of carbon monoxide gas creates a significant asphyxiation risk.

How To Minimize Welding Fumes Hazards

Welders need to be aware of the risks associated with the materials they are using. Employers are required by OSHA’s Hazard Communication requirement to notify and train employees about dangerous materials in the workplace. Any coating that might potentially lead to hazardous exposure, such as paint or solvent residue, should be removed from welding surfaces.

Moreover, systems for local exhaust ventilation can be employed to remove fumes and gases from the welding area. To remove the most fumes and gases, place fume hoods, fume extractors, and vacuum nozzles close to the source of the plume.

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