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850 Health Hazards in Construction
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Exposure to Biological Hazards

Exposure to biological hazards may occur during demolition, renovation, sewer work, work on air handling systems, or other construction work from contact with contaminated or disease-carrying materials, such as:

  • soil
  • water
  • insects (mosquitoes, ticks)
  • bird or bat droppings
  • animals
  • structures
demolition exposure to biological hazards
Exposure to biological hazards can occur during demolition.

In the construction industry, biological health hazards are most commonly found:

  • working in health care facilities
  • an accumulation of animal waste and the presence of rodents, insects and birds
  • during demolition and remodeling of old structures and buildings where there is likely the presence of mold
  • during clearing operations and the removal of plants, trees and other foliage
  • landscaping

Knowledge Check Choose the best answer for the question.

3-2. In the construction industry, where are biological hazards usually found?