40 CFR 6.300 - Applicability.
(a) This section applies to actions that involve applications to EPA for permits or assistance agreements, or request other EPA approval.
(b) The Responsible Official is responsible for the environmental review process on EPA's action (that is, issuing the permit or awarding the assistance agreement) with the applicant contributing through submission of an EID or a draft EA and supporting documents.
(c) An applicant is not required to prepare an EID when:
(1) The action has been categorically excluded or requires the preparation of an EIS; or
(2) The applicant will prepare and submit a draft EA and supporting documents.
(d) The Responsible Official must notify the applicant if EPA will not require submission of an EID.