PowerPoint® PresentationPowerPoint® Presentation

Chapter 3Chapter 3ContaminantsContaminants

Poor Indoor Air Quality • Effects of Poor Indoor Air Quality • Particles • Asbestos • Lead • Gases • Carbon Dioxide • Carbon Monoxide • Radon • Mixtures • Biological Contaminants • Microbial Contaminants

Poor Indoor Air Quality • Effects of Poor Indoor Air Quality • Particles • Asbestos • Lead • Gases • Carbon Dioxide • Carbon Monoxide • Radon • Mixtures • Biological Contaminants • Microbial Contaminants

PowerPoint® PresentationPowerPoint® Presentation

Chapter 3Chapter 3ContaminantsContaminants

Poor Indoor Air Quality • Effects of Poor Indoor Air Quality • Particles • Asbestos • Lead • Gases • Carbon Dioxide • Carbon Monoxide • Radon • Mixtures • Biological Contaminants • Microbial Contaminants

Poor Indoor Air Quality • Effects of Poor Indoor Air Quality • Particles • Asbestos • Lead • Gases • Carbon Dioxide • Carbon Monoxide • Radon • Mixtures • Biological Contaminants • Microbial Contaminants

Chapter 3–ContaminantsChapter 3–Contaminants

Contaminants may originate outdoors or indoors and often follow a certain airflow path.

Contaminants may originate outdoors or indoors and often follow a certain airflow path.

Chapter 3–ContaminantsChapter 3–Contaminants

Asbestos is a mineral fiber that has been used commonly in a variety of building construction materials including pipe insulation, ceiling tiles, and building fireproofing.

Asbestos is a mineral fiber that has been used commonly in a variety of building construction materials including pipe insulation, ceiling tiles, and building fireproofing.

Chapter 3–ContaminantsChapter 3–Contaminants

Lead can be found in common sources such as drinking water, air, and soil. However, in sources such as old paint and lead pipes, there is a larger risk of lead becoming a harmful pollutant.

Lead can be found in common sources such as drinking water, air, and soil. However, in sources such as old paint and lead pipes, there is a larger risk of lead becoming a harmful pollutant.

Chapter 3–ContaminantsChapter 3–Contaminants

Mold spores grow in areas with excessive moisture or accumulated water. Mold can grow on a variety of materials including ceiling tiles and wallboard.

Mold spores grow in areas with excessive moisture or accumulated water. Mold can grow on a variety of materials including ceiling tiles and wallboard.

Chapter 3–ContaminantsChapter 3–Contaminants

Carbon monoxide is an odorless, colorless, and toxic gas that can be produced from traffic, unventilated parking garages, heating equipment, and environmental tobacco smoke.

Carbon monoxide is an odorless, colorless, and toxic gas that can be produced from traffic, unventilated parking garages, heating equipment, and environmental tobacco smoke.

Chapter 3–ContaminantsChapter 3–Contaminants

Sources of NO2 include truck and bus emissions, kerosene heaters, unvented gas stoves and heaters, gasoline engines operated indoors, and environmental tobacco smoke.

Sources of NO2 include truck and bus emissions, kerosene heaters, unvented gas stoves and heaters, gasoline engines operated indoors, and environmental tobacco smoke.

Chapter 3–ContaminantsChapter 3–Contaminants

Formaldehyde is used in a wide variety of products including particleboard, plywood, cosmetics, and permanent press fabrics. Formaldehyde is also released during certain activities, such as burning wood.

Formaldehyde is used in a wide variety of products including particleboard, plywood, cosmetics, and permanent press fabrics. Formaldehyde is also released during certain activities, such as burning wood.

Chapter 3–ContaminantsChapter 3–Contaminants

High levels of exposure to ozone has certain health effects and risk factors. Several U.S. government agencies have developed standards relating to the allowable amount of ozone exposure for humans.

High levels of exposure to ozone has certain health effects and risk factors. Several U.S. government agencies have developed standards relating to the allowable amount of ozone exposure for humans.

Chapter 3–ContaminantsChapter 3–Contaminants

Exposure to high levels of radon may lead to lung cancer. Radon levels are measured in picocuries per liter (pCi/L).

Exposure to high levels of radon may lead to lung cancer. Radon levels are measured in picocuries per liter (pCi/L).

Chapter 3–ContaminantsChapter 3–Contaminants

Volatile organic compounds are used in many products including cleaners, pesticides, paints and glue, cosmetics, perfumes, draperies, and carpets.

Volatile organic compounds are used in many products including cleaners, pesticides, paints and glue, cosmetics, perfumes, draperies, and carpets.