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Contact Us
How Can I Find Answers to Questions I Have About Indoor Air Quality?
- Use our Frequently Asked Questions Database
- Look through our free publications online
- Write to us or call us
View Frequent Questions / Ask a Question
Search frequently asked questions or submit your own question or comment in
our Frequent Questions Database. In addition to questions and answers
relating to indoor environments, you may use this database to find information on any of our topic
areas (click on the
icon for a list
of IAQ topics with their descriptions, for example, Asthma, Radon, IAQ Tools for Schools, Mold, Smoke-free Homes, IAQ Design
Tools for Schools, and General
Indoor Air Quality Issues). You can also use this database to subscribe
to any new information or updated information relating to any of the topics that may be
posted on our website.
See a list of hotlines (available by topic)
See a listing of free publications (download or view, most are available to order)
Contact our Offices
Call: (202) 343-9370 (in Washington, DC)
Fax: (202) 343-2394 or (202) 343-2392
EPA Employee Directory:
Regular Mail Address: U.S. EPA/Office of Radiation and Indoor Air
Indoor Environments Division
1200 Pennsylvania Avenue, NW
Mail Code 6609J
Washington, DC 20460Courier Service or Delivery address: U.S. EPA/Office of Radiation and Indoor Air
Indoor Environments Division
1310 L Street, NW 4th Floor
Washington, DC 20005