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850 Health Hazards in Construction
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Welding Fumes

Welding fumes contain a variety of chemicals depending on what is being welded on, chemical makeup of welding rods, fluxes and shielding gases.

Welder in PPE safety helment
Welding fumes can contain a variety of chemicals.

Generally, welding in confined spaces, or welding on stainless steel which generates hexavalent chromium, are the most hazardous welding activities.

Solvents

A variety of solvents with varying degrees of toxicity are used in construction. They are in paints, glues, epoxies and other products.

Generally, the possibility of exposure to excessive amounts of solvent vapors is greater when solvents are handled in enclosed or confined spaces.

Worker applying outdoor wall coating
Solvents with a varying degree of toxicity are used in construction.

Solvents can

  • irritate your eyes, nose or throat;
  • make you dizzy, sleepy, give you a headache or cause you to pass out;
  • affect your judgment or coordination;
  • cause internal damage to your body; and
  • dry out or irritate your skin.

Knowledge Check Choose the best answer for the question.

1-6. Which of the following is a reaction to solvents?