Biological pollutants can negatively impact the indoor environmental quality (IEQ) of a home, school, business or any type of building. Some of the more common biological contaminants listed by the U.S. Environmental Protection Agency (EPA) include bacteria, mold, viruses, animal dander and cat saliva, house dust, dust mites, cockroaches and pollen., , , , EPA goes on to share:, , There are many sources of these pollutants. Pollens originate from plants; viruses are transmitted by people and a.
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