40 CFR § 1506.9 - Filing requirements.
(a) Environmental impact statements together with comments and responses shall be filed with the Environmental Protection Agency, attention Office of Federal Activities, EIS Filing Section, Ariel Rios Building (South Oval Lobby), Mail Code 2252-A, Room 7220, 1200 Pennsylvania Ave., NW., Washington, DC 20460. This address is for deliveries by US Postal Service (including USPS Express Mail).
(b) For deliveries in-person or by commercial express mail services, including Federal Express or UPS, the correct address is: US Environmental Protection Agency, Office of Federal Activities, EIS Filing Section, Ariel Rios Building (South Oval Lobby), Room 7220, 1200 Pennsylvania Avenue, NW., Washington, DC 20004.
(c) Statements shall be filed with the EPA no earlier than they are also transmitted to commenting agencies and made available to the public. EPA shall deliver one copy of each statement to the Council, which shall satisfy the requirement of availability to the President. EPA may issue guidelines to agencies to implement its responsibilities under this section and § 1506.10.