The Office of Policy and Management shall review all environmental impact evaluations together with the comments and responses thereon, and shall make a written determination as to whether such evaluation satisfies the requirements of this part and regulations adopted pursuant thereto, which determination shall be made public and forwarded to the agency, department or institution preparing such evaluation. Such determination may require the revision of any evaluation found to be inadequate. Any member of the Office of Policy and Management which has prepared an evaluation and submitted it for review shall not participate in the decision of the office on such evaluation. The sponsoring agency shall take into account all public and agency comments when making its final decision on the proposed action.