16 C.F.R. § 1.85

(a) After the close of the comment period, the Bureau responsible for the matter will consider the comments received on the draft environmental impact statement and will put the draft statement into final form in accordance with the requirements of CEQ Regulation (40 CFR 1502.9(b)), attaching the comments received (or summaries if response was exceptionally voluminous).

(b) Upon Bureau approval of the final environmental impact statement the final statement will be

(1) Filed with the EPA;

(2) Forwarded to all parties which commented on the draft environmental impact statement and to other interested parties, if practicable;

(3) Placed in the public record of the proposed rule or guide proceeding or legislative matter to which it pertains;

(4) Distributed in any other way which the Bureau in consultation with CEQ deems appropriate.

(c) In rule and guide proceedings, at least thirty (30) days will be allowed for comment on the final environmental impact statement, calculated from the date of publication in the EPA's weekly Federal Register list of final environmental impact statements. In no event will a final rule or guide be promulgated prior to ninety (90) days after notice of the draft environmental impact statement, except where emergency action makes such time period impossible.