More Information on Better Health Through Cleaner Air

American Academy of Allergy, Asthma and Immunology – www.aaaai.org

American Academy of Otolaryngic Allergy – www.aaoaf.org

American College of Allergy, Asthma & Immunology – www.allergy.mcg.edu

American Lung Association – www.lungusa.org

American Society of Heating, Refrigeration & Air Conditioning Engineers – www.ashrae.org

Asthma and Allergy Foundation of America – www.aafa.org

Biological Contaminants in the HVAC System - Biological Contaminants in the HVAC System.pdf

Centers for Disease Control and Prevention – www.cdc.gov

National Institute of Allergy and Infectious Diseases – www.niaid.nih.gov

U.S. Environmental Protection Agency – www.epa.gov/iaq

402-571-2720 (Omaha)

402-421-2720 (Lincoln)

712-328-2720 (Co. Bluffs)