This article, the second in a three-part series of articles that discuss indoor air quality (IAQ) issues affecting schools, looks at the effects of carpet maintenance and environmental influences on IAQ. (MLF)

This article, third in a three-part series of articles that discuss indoor air quality (IAQ) issues affecting schools, looks at studies that compare the health effect of carpet and hard surface floors. Concludes that carpet is appropriate for use in schools when it is properly maintained. (MLF)

Part 1 of this article, the first in a three-part series of articles that discuss indoor air quality (IAQ) issues affecting schools, provides a general overview of IAQ and discusses the three major health problems associated with IAQ: sick building syndrome, building-related illness, and multiple chemical sensitivity. (MLF)

Research show that one in five U.S. schools has indoor air quality (IAQ) problems; 36 percent have inadequate heating, ventilation, and air conditioning (HVAC) systems; and there appears to be a correlation between IAQs and the proportion of a school's students coming from low-income households. This report examines the IAQ issue in U.S. public…