Environmental Protection Agency

By Telephone:
Call our toll-free line between the hours of 8:00 am and 6:00 pm (EST) at 888-890-1995.

By E-mail:
Send e-mail correspondence to helpdesk@epacdx.net.

By Fax:
703-227-4199

By Mail:
U.S. Environmental Protection Agency
C/O CGI Federal Inc.
12601 Fair Lakes Circle
Fairfax , Virginia 22033

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