Quantification of ozone levels in indoor environments generated by ionization and ozonolysis air purifiers.
Journal of the Air & Waste Management Association, May, 2006 by Britigan, Nicole; Alshawa, Ahmad; Nizkorodov, Sergey A.
ABSTRACT
Indoor air purifiers are advertised as safe household products for health-conscious individuals, especially for those suffering from allergies and asthma. However, certain air purifiers produce ozone ([O.sub.3]) during operation, either intentionally or as a byproduct of air ionization. This is a serious concern, because [O.sub.3] is a criteria air pollutant regulated by health-related federal and state standards. Several types of air purifiers were tested for their ability to produce ozone in various indoor environments at 40-50% relative humidity, including office rooms, bathrooms, bedrooms, and cars. [O.sub.3] levels generated by personal wearable air purifiers were also tested. In many cases, [O.sub.3] concentrations were well in excess of...
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