Includes in the process the following components: (1) designation of a lead agency and delineation of lead agency and participating agency responsibilities; (2) integration of the preparation of environmental impact statements or assessments and the conduct of any other review or determination, and the issuance of any authorization, required under Federal law; (3) public participation requirements; (4) procedures for resolution of environmental concerns that have not been resolved; (5) guidelines for participation of State agencies in the review and delegation to them of authority to prepare environmental impact statements or assessments; and (6) financial assistance to States that assume responsibility for environmental review that would otherwise be conducted by the lead agency.