U.S. Code of Federal Regulations

Regulations most recently checked for updates: Sep 16, 2025

All TitlesTitle 45Chapter VIPart 641 - PART 641—ENVIRONMENTAL ASSESSMENT PROCEDURES FOR PROPOSED NATIONAL SCIENCE FOUNDATION ACTIONS IN ANTARCTICA
§ 641.10 - Purpose.
§ 641.11 - Policy.
§ 641.12 - Applicability.
§ 641.13 - Right of action
§ 641.14 - Definitions.
§ 641.15 - Preliminary environmental review.
§ 641.16 - Preparation of environmental documents, generally.
§ 641.17 - Initial environmental evaluation.
§ 641.18 - Comprehensive environmental evaluation.
§ 641.19 - Modification of environmental documents.
§ 641.20 - Notification of the availability of environmental documents and other information.
§ 641.21 - Monitoring.
§ 641.22 - Cases of emergency.
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