For More Information

Asthma and Allergy Foundation of America
1125 15th Street NW, Suite 502
Washington, DC 20005
(800) 7-ASTHMA

Allergy and Asthma Network
3554 Chain Bridge Road, Suite 200
Fairfax, VA 22030-2709
(800) 878-4403

For information on air-cleaning devices:

Indoor Air Quality Information Clearinghouse
(Contractor for Environmental Protection Agency)
P.O. Box 37133
Washington, DC 20013-7133
(800) 438-4318