We've made some changes to EPA.gov. If the information you are looking for is not here, you may be able to find it on the EPA Web Archive or the January 19, 2017 Web Snapshot.

EPA's website will operate in a diminished capacity on Saturday Feb 17, 2018 from 8:00 a.m. to noon EST for routine maintenance. Some services, such as search, may be temporarily unavailable for brief periods during this time. We apologize for any inconvenience.

Contact Information for EPA's Office of Transportation and Air Quality

Find an EPA Employee by Name or by Topic of Interest

  • Contact Information by Person: If you know the name of the person, the EPA Employee Directory will provide you with that person's phone number, address, and email.
  • Contact Information by Topic: You can use our Contacts by Topic to view or print a complete list of contacts for topics covered by EPA's Office of Transportation and Air Quality. 
  • Media and press inquiries: If you are a reporter, please contact Christie St. Claire of EPA's Office of Public Affairs at 202-564-2880. For inquiries related to the Volkswagen violation please contact Julia Valentine at 202-564-2663.

Find specific Information

New information on OTAQ web site

Submit a Comment or Question

You can submit a question to a specific program from the following list:

Or you can make a comment or ask a question about the Office of Transportation and Air Quality, its programs, and finding information on its website.  We suggest that you send us your comments by e-mail to otaq@epa.gov. You should receive a response within 5 business days.

What questions does EPA not answer?

  • We cannot endorse specific products or technologies.
  • We will not respond to inquiries that use profanities, vulgar language, personal attacks of any kind, or offensive terms that target specific ethnic or racial groups, are far off-topic, or make unsupported accusations.