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Understanding Indoor Air Pollution: Causes, Effects, and Health Risks

Indoor air pollution poses significant health risks due to various contaminants in enclosed spaces. Key contributors include the chimney effect, where warm air rises and creates a vacuum that draws outdoor air indoors, often carrying pollutants. Conditions like Sick Building Syndrome arise from unhealthy indoor environments without identifiable causes. Environmental tobacco smoke, the most hazardous indoor pollutant, and radon gas, a colorless and odorless radioactive gas linked to lung cancer, further exacerbate indoor air quality issues. Awareness and testing are vital for health safety.

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Understanding Indoor Air Pollution: Causes, Effects, and Health Risks

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  1. Chapter 24 Indoor Air Pollution Botkin and Keller Environmental Science 5e

  2. Botkin and Keller Environmental Science 5e

  3. Pathways, Processes and Driving Forces • Chimney Effect (Stack Effect) • Process whereby warmer air rises in buildings to upper levels and is replaced in the lower portion of the building by outdoor air drawn through a variety of openings, such as windows doors or cracks in the foundation or walls Botkin and Keller Environmental Science 5e

  4. Sick Building Syndrome • A condition associated with an indoor environment that appears to be unhealthy • The symptoms people report cannot be traced to any one particular cause Botkin and Keller Environmental Science 5e

  5. Environmental Tobacco Smoke • Secondhand smoke • 2 sources • Smoke exhaled by smokers • Smoke emitted from burning tobacco • The most hazardous indoor pollutant Botkin and Keller Environmental Science 5e

  6. Radon Gas • Radon • Naturally occurring radioactive gas • Colorless, odorless, tasteless • Only identified through proper testing • Health hazard when leaked into homes • Exposure is associated with lung cancer Botkin and Keller Environmental Science 5e

  7. Botkin and Keller Environmental Science 5e

  8. Botkin and Keller Environmental Science 5e

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