Call the EPA help desk at 1-866-411-4372 or email the AQS Team (email@example.com)
Research Triangle Park, NC 27711
EPA Call Center
AQS application User Support is provided through the EPA Call Center, operated under contract to the EPA.
The toll free number is 1-866-411-4EPA (4372).
International callers: 1-703-679-1070
Their hours of operation are 6:00am - 9:00pm E.T. (Monday - Friday, excluding Federal holidays).
You may also contact the Call Center via email (EPACALLCENTER@epa.gov) or fax (703-674-1008).
Contact a National or Regional EPA representative or a State, Local, or Tribal Agency representative
Central Data Exchange (CDX) is EPA's electronic reporting site.
CDX support is available toll-free between the hours of 8:00 am and 6:00 pm (EST) at 888-890-1995 and via email at firstname.lastname@example.org.
Use the form below to send us a comment or question. Privacy and Security Notice
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