[Code of Federal Regulations] [Title 40, Volume 28] [Revised as of July 1, 2002] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR1502.18] [Page 476] TITLE 40--PROTECTION OF ENVIRONMENT CHAPTER V--COUNCIL ON ENVIRONMENTAL QUALITY PART 1502--ENVIRONMENTAL IMPACT STATEMENT--Table of Contents Sec. 1502.18 Appendix. If an agency prepares an appendix to an environmental impact statement the appendix shall: (a) Consist of material prepared in connection with an environmental impact statement (as distinct from material which is not so prepared and which is incorporated by reference (Sec. 1502.21)). (b) Normally consist of material which substantiates any analysis fundamental to the impact statement. (c) Normally be analytic and relevant to the decision to be made. (d) Be circulated with the environmental impact statement or be readily available on request.