11indoor.big

11indoor.big - Indoor Air Pollution Indoor Air Pollution...

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1 Indoor Air Pollution • Indoor Air Pollution Trends • Sources Personal—Tobacco Smoke Building Materials—Formaldehyde Infiltration • Outdoor Smog • Radon Gas Mold • Abatement
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2 Trends • Concentrations increased during 1980s Energy-efficient homes leak in less fresh air Increased use of insulation Cheaper woodwork • Exposure time increased Longer hours spent indoors
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3 Tobacco Smoke • From combustion of tobacco products in: Cigarettes Cigars Pipes • Similar smoke from other combustible products
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4 Partial List of Tobacco Smoke Constituents Carbon monoxide Nitrogen oxides Hydrogen Cyanide Acrolein Acetaldehyde Formaldehyde Hydrazine Vinyl Chloride Nicotine, Tar Urethane 2-nitropropane Quionoline Nitrosamines Nickel carbonyl Benzo(a)pyrene 5-methylchrysene 210Polonium Cadmium See also Table 8.6, p. 244
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5 Sidestream Smoke (Environmental Tobacco Smoke) Same as Primary smoke gases + Smoldering cigs Cooler Less efficient burn Higher CO content
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11indoor.big - Indoor Air Pollution Indoor Air Pollution...

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