; (ii) any reasonably foreseeable adverse environmental effects which cannot be avoided should the proposal be implemented; (iii) a reasonable number of alternatives to the proposed agency action, including an analysis of any negative environmental impacts of not implementing the proposed agency action in the case of a no action alternative, that are technically and economically feasible, are within the jurisdiction of the agency, meet the purpose and need of the proposal, and, where applicable, meet the goals of the applicant; (iv) the relationship between local short-term uses of man's environment and the maintenance and enhancement of long-term productivity; and (v) any irreversible and irretrievable commitments of Federal resources which would be involved in the proposed agency action should it be implemented. ; and (C) in the undesignated matter following clause (v) (as so amended), by striking the responsible Federal official and inserting the head of the lead agency ; (4) in subparagraph (D), by striking Any and inserting any ; (5) by redesignating subparagraphs (D) through (I) as subparagraphs (F) through (K), respectively; (6) by inserting after subparagraph (C) the following: (D) ensure the professional integrity, including scientific integrity, of the discussion and analysis in an environmental document; (E) make use of reliable existing data and resources in carrying out this Act; ; (7) by amending subparagraph (G), as redesignated, to read as follows: (G) consistent with the provisions of this Act, study, develop, and describe technically and economically feasible alternatives within the jurisdiction and authority of the agency;