Indoor Pollutants and Sources

Indoor pollutants originate from three primary sources: building materials, occupant activity, and the outdoor environment. This lesson examines the principal pollutants from all three, and describes the risks associated with them.

Learning Objectives

At the conclusion of this lesson, you will be able to:

• Identify the primary pollutants from building materials
• Explain the risks of formaldehyde, asbestos, mold, and dust mites
• Identify the types of home products that introduce indoor air pollutants
• Understand the conditions that allow mold to grow in homes
• Describe the relative size of particles found in indoor air

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