[Code of Federal Regulations] [Title 32, Volume 4] [Revised as of July 1, 2002] From the U.S. Government Printing Office via GPO Access [CITE: 32CFR651.23] [Page 408] TITLE 32--NATIONAL DEFENSE CHAPTER V--DEPARTMENT OF THE ARMY (CONTINUED) PART 651--ENVIRONMENTAL ANALYSIS OF ARMY ACTIONS (AR 200-2)--Table of Contents Subpart C--Records and Documents Sec. 651.23 Environmental impact statement. An Environmental Impact statement (EIS) is a detailed written statement required by NEPA for major federal actions significantly affecting the quality of the human environment (42 U.S.C. 4321). A more complete discussion of EIS requirements is presented in Subpart F of this part.