[Code of Federal Regulations]
[Title 45, Volume 3]
[Revised as of October 1, 2002]
From the U.S. Government Printing Office via GPO Access
[CITE: 45CFR641.19]

[Page 188]
 
                        TITLE 45--PUBLIC WELFARE
 
                 CHAPTER VI--NATIONAL SCIENCE FOUNDATION
 
PART 641--ENVIRONMENTAL ASSESSMENT PROCEDURES FOR PROPOSED NATIONAL SCIENCE FOUNDATION ACTIONS IN ANTARCTICA--Table of Contents
 
Sec. 641.19  Modification of environmental documents.

    The responsible official should revise or supplement an 
environmental document if there is a change in a proposed action that 
may have more than a minor or transitory effect on the antarctic 
environment, or if there are new circumstances or information that 
indicate the action may have impacts not anticipated in the original 
environmental document.