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 Ozone Generators that are Sold as Air Cleaners: An Assessment of Effectiveness and Health Consequences There is a large body of written material on ozone and the use of ozone indoors. However, much of this material makes claims or draws conclusions without substantiation and sound science. In developing Ozone Generators that are Sold as Air Cleaners, the EPA reviewed a wide assortment of this literature, including information provided by a leading manufacturer of ozone generating devices. In keeping with EPA's policy of insuring that the information it provides is based on sound science, only peer reviewed, scientifically supported findings and conclusions were relied upon in developing this document. Please Note: EPA does not certify air cleaning devices. The Agency does not recommend air cleaning devices or manufacturers. If you need information on specific devices or manufacturers, one resource you can consult is the Association of Home Appliance Manufacturers (AHAM) 1111 19th Street, NW, Suite 402, Washington, DC 20036 (202) 872-5955 AHAM also provides information on air cleaners on their AHAM-certified Clean Air Delivery Rate site at Also, the American Lung Association has an Air Cleaning Device fact sheet at: There are other resources provided in this fact sheet.  

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