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Contact Us About Diesel Fuel Standards

Report an environmental violation

Report a Violation

Report possible violations of environmental laws and regulations.

On this page:

Fuels Program Helpdesk

Email Fuels Program Helpdesk
Phone number 1-800-385-6164
Type of assistance
  • Registration
  • Program Regulations
  • Remedial Actions
  • Public data

Fuels Program Mailing Addresses

US Postal Service*
Commercial Delivery 
(FedEx, UPS, etc.)

U.S. Environmental Protection Agency
Mail Code 6405A
1200 Pennsylvania Ave NW
Washington, DC 20460

U.S. Environmental Protection Agency
William Jefferson Clinton Building - North
Mail Code 6405A, Room 5512D; (202) 343-9038
1200 Pennsylvania Ave NW
Washington, DC 20004

*NOTE: Sending paperwork via US Postal Service will require an irradiation process and could possibly delay delivery.


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