7 CFR § 520.4 - Responsibilities.
(a) Administrator. The Administrator is responsible for environmental analysis and documentation required for compliance with the provisions of NEPA and related laws, policies, plans, programs, and projects. The ARS Deputy Administrator for Natural Resources has been delegated responsibility for the establishment of procedures and coordination necessary to carry out the policies and provisions of NEPA.
(b) Deputy Administrators and Area Directors. The Deputy Administrators and Area Directors are responsible to the Administrator for assuring that ARS programs are in compliance with the policies and procedures of NEPA.