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Published byAnna Chandler Modified over 9 years ago
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Indoor Air Pollution
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Environmental Tobacco smoke (2 nd hand) Legionella pneumophila Molds and fungus Radon gas Pesticides Asbestos Formaldehyde Dust mites pollen
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Secondhand smoke 2 sources Smoke exhaled by smokers Smoke emitted from burning tobacco The most hazardous indoor pollutant
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Greater than 40,000 deaths each yr (heart disease & cancer) Contains several thousand chemicals NO, CO, hydrogen cyanide, 40 carcinogenic chems. Separate smokers from non-smokers, ban smoking, improve ventilation, education & social pressure
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Causes Legionnaires’ disease Lives in pond water 20 species Spread through air conditioning/heating ducts Transported as a bacerial aerosol Hospitals, cruise ships
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Release toxic spores causing chronic lung inflammation and scarring Usually undiagnosed Molds & fungus reside between walls, where water is trapped.
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Colorless, odorless & tasteless Radioactive gas from soil and rock Seeps into buildings through cracks in foundation. Basements are a risk Seal & caulk cracks, build homes with a plastic layer or gravel layer beneath foundation. Leaches into water supply and is aerated inside homes when faucets are turned on.
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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
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Applied inside of bldgs to control insects and rodents. Possible carcinogens Aerated when sprayed
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Fireproofing, insulation, vinyl flooring, brake linings Skin irritation, lung cancer (asbestosis) Removed through encapsulation Problem for workers & nearby residents when old bldgs are being demolished or renovated
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Plywood, particle board, construction material, carpeting Glue/binder in the materials Headaches,respiratory irritation, eye irritation Increase ventilation, use formaldehyde free
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A condition associated with an indoor environment that appears to be unhealthy The symptoms people report cannot be traced to any one particular cause
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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
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