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150 Physical Health Hazards in Construction
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Chemical Hazards

Chemicals are found in many products used at construction sites. Workers may be exposed to dangerous chemicals during construction activities. These include asbestos, lead, silica, carbon monoxide and spray paints. The chemicals can exist in several forms, including:

Workers can be exposed to dangerous chemicals, including asbestos.
  • dusts, fumes, and fibers (solids);
  • liquids and mists; and
  • gases and vapors.

These chemicals can enter the body in a variety of different ways. Let's take a closer look.

Inhalation (breathed in) - Inhalation is generally the most common way chemicals can enter the body in a work situation.

Ingestion - accidental swallowing through eating, drinking, or smoking.

Absorption - absorbed through contact with skin or eyes.

Injection - a chemical enters the body when the skin is punctured.

Check out this short audio clip by Dan Clark of theSafetyBrief.com. Cement burns and irritations are the #1 occupational skin disease in the U.S. Why is wet cement such a widespread danger? How do workers avoid it? Listen!

Knowledge Check Choose the best answer for the question.

1-3. What is the most common way a hazardous chemical can enter the body in a work situation?