Objectives

• After studying this unit, you should be able to
• list various sources of indoor air pollution.
• explain procedures for eliminating contamination sources.
• describe how molds reproduce.
• discuss ventilation as it applies to indoor air quality.
• state two substances needed for mold to grow.
• describe the importance of air cleaning.
• describe the operation of electrostatic precipitators or electronic air cleaners.
• describe the operation of bi-polar ionization and polarized filtration.
• describe the operation of ultraviolet (UV) light as used for air cleaning.
• discuss reasons for cleaning air ducts.
• explain relative humidity.
• state reasons for providing humidification in winter months.
• describe various types of humidifiers.
• state reasons for installing self-contained humidifiers.
• list general factors used when sizing humidifiers.

Next: Advance to the Learning Center Dashboard and complete the lessons.