[Code of Federal Regulations] [Title 40, Volume 1] [Revised as of July 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR6.204] [Page 95] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY PART 6_PROCEDURES FOR IMPLEMENTING THE REQUIREMENTS OF THE COUNCIL ON Subpart B_Content of EISs Sec. 6.204 Incorporation by reference. In addition to 40 CFR 1502.21, material incorporated into an EIS by reference shall be organized to the extent possible into a Supplemental Information Document and be made available for review upon request. No material may be incorporated by reference unless it is reasonably available for inspection by potentially interested persons within the period allowed for comment.