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Contact Us
Environmental Emergencies - Whom to notify and how to be prepared in case of an environmental emergency. To report oil and chemical spills, call the National Response Center at 1-800-424-8802.
Comments - If you have comments about the Office of Solid Waste and Emergency Response, about this web area, or want to report a broken link, please let us know. We will make sure that your comments are sent to the appropriate office within OSWER.
Questions - Our Hotlines and Information Centers can offer assistance in finding OSWER information that doesn't seem to be on the Web, information about OSWER programs, and general environmental information.
OSWER EPA Headquarters Mailing Address:
Note: All postal mail should be addressed to this address in the Ariel Rios Building. The other locations are for deliveries or visitors only.
Mail Codes at Potomac Yard will remain unchanged except for the alpha character, which will change to “P.” For example, if your original mail code was 7565C, it will change to 7565P following your move into Potomac Yard.
As always, please use your Mail Code as part of your address to ensure timely delivery.
You should use the following as your official EPA mailing address for all U.S. Postal Service mail:
[FULL NAME]
U.S. Environmental Protection Agency
[MAIL CODE] 1200 Pennsylvania Avenue NW
Washington, D.C. 20460-0001
Office of Solid Waste and Emergency Response (insert the mail code
as indicated in parentheses below)
U.S. Environmental Protection Agency
1200 Pennsylvania Avenue, N.W.
Washington, DC 20460
Other OSWER Office Locations in the Washington, D.C. Area
Office of the Assistant Administrator of OSWER (5101T)
EPA West Building
1301 Constitution Avenue, NW
Washington, DC (20004)
OSWER Office of Program Management (Administrative) (5103T)
EPA West Building
1301 Constitution Avenue, NW
Washington, DC (20004)
Office of Brownfields and Land Revitalization (OBLR) (5105T)
EPA West Building
1301 Constitution Avenue, NW
Washington, DC (20004)
Office of Emergency Mangement (5104AR)
Ariel Rios Building
1200 Pennsylvania Avenue, N.W.
Washington, DC (20004)
Office of Resource Conservation and Recovery (5301W)
Two Potomac Yard (North Building)
2733 Crystal Drive
Arlington, Virginia 22202
Office of Underground Storage Tanks (5401G)
Two Potomac Yard (North Building)
2733 Crystal Drive
Arlington, Virginia 22202
Office of Superfund Remediation and Technology Innovation (Superfund) (5201G)
One Potomac Yard (South Building)
2777 South Crystal Drive
Arlington, VA 22202
Federal Facilities Restoration and Reuse Office (5106G)
Two Potomac Yard (North Building)
2733 Crystal Drive
Arlington, Virginia 22202
Technology Innovation Office (5102G)
2777 South Crystal Drive
Arlington, VA 22202
Employee Directory - Identify EPA employees by name and location.
EPA Regional Offices
EPA's regional offices have site remediation and restoration, emergency and remedial response, hazardous site and cleanup, waste management, Superfund, waste, RCRA, environmental cleanup and similar offices and divisions that work with states, localities, facilities and other entities to fulfill OSWER's programs. Select a region by clicking on the circled regional number below to contact that regional office.