Friday, January 20, 2012

Air quality series: Asbestos

People talk and complain about the quality of the air they breathe outside, but what about the air quality inside your home?  It’s the worse air you can breathe is inside your home.  It’s dead air that does not move around as much as it needs to.  I’ll be putting up the information on different things that can be found in the indoor air you breathe.
 Indoor pollution sources that release gases or particles into the air are the primary cause of indoor air quality problems in homes. Inadequate ventilation can increase indoor pollutant levels by not bringing in enough outdoor air to dilute emissions from indoor sources and by not carrying indoor air pollutants out of the home. High temperature and humidity levels can also increase concentrations of some pollutants.
Asbestos is a mineral fiber that has been used commonly in a variety of building construction materials for insulation and as a fire-retardant.  EPA and CPSC have banned several asbestos products.  Manufacturers have also voluntarily limited uses of asbestos. Today, asbestos is most commonly found in older homes, in pipe and furnace insulation materials, asbestos shingles, millboard, textured paints and other coating materials, and floor tiles.
Elevated concentrations of airborne asbestos can occur after asbestos-containing materials are disturbed by cutting, sanding or other remodeling activities. Improper attempts to remove these materials can release asbestos fibers into the air in homes, increasing asbestos levels and endangering people living in those homes.

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