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Air Pollution, The introduction of chemicals, particulate matter, or…
Air Pollution
criteria pollutants
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Particulate matter
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including dust, smoke, sand, pollen, mist & fly ash
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Indoor air pollution
Developing countries
between 2 billion and 3 billion people use wood, animal manure, or coal indoors for heat and cooking
Usually, there is no exhaust system and little or no ventilation available in the home
risk of acute respiratory infections, pneumonia, bronchitis, and even cancer
Pollutants
Asbestos
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Some studies have shown that when asbestos removal is complete, the concentration of asbestos in the air of the remediated building can be greater in the year after removal than during the year before removal
A long, thin, fibrous silicate mineral with insulating properties, which can cause cancer when inhaled.
Radon
Humans can receive significant exposure to radon if it seeps into a home through cracks in the foundation, or from underlying rock, soil, or groundwater.
estimate suggest that about 21,000 people die each year from radon-induced lung cancer
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Carbon Monoxide
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Extended exposure to high concentrations of carbon monoxide in air can lead to oxygen deprivation in the brain and, ultimately, death.
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Developed countries
Although improved insulation and tightly sealed buildings reduce energy consumption, these tightly sealed buildings also keep existing air in contact with the inhabitants for greater amounts of time.
an increasing number of materials in the home and office are made from plastics and other petroleum-based materials that can give off chemical vapors.
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The introduction of chemicals, particulate matter, or microorganisms into the atmosphere at concentrations high enough to harm plants, animals, and materials such as buildings, or to alter ecosystems.
air pollution refers to pollution in the troposphere, the first 16 km (10 miles) of the atmosphere above the surface of Earth