Indoor Environmental Concerns - Indoor Air Quality
If you are like most Americans, you spend much of your time indoors. Although air is taken for granted, the air you breathe at home may not be healthy. Research has found that in homes across America the quality of indoor air can be worse than outdoor air.
"SP555-Indoor Air Hazards," The University of Tennessee Agricultural Extension Service, SP555-2.5M-2/05(REP) R12-5350-001-001-05 05-0117, http://trace.tennessee.edu/utk_agexenvi/3