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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, 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.

Administrative Offices

Regular Mail Address:
U.S. EPA/Office of Radiation and Indoor Air
Indoor Environments Division
1200 Pennsylvania Avenue, NW
Mail Code 6609J
Washington, DC 20460

Courier 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

Find EPA Regional Office Contact Information

Contact Information for Media Inquiries

For Indoor Air inquiries, contact Molly Hooven  hooven.molly@epa.gov at (202) 564-2313. For a complete list of EPA's Media contacts, see www.epa.gov/newsroom/contact-us.htm

Problems with this website? Found a broken link? Unable to access a database? Need other technical assistance on our site? Report site problems or suggest improvements to indoorair@epa.gov.

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