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Regulations last checked for updates: Jan 18, 2025
Title 40 - Protection of Environment last revised: Dec 30, 2025
All Titles
Title 40
Chapter I
Part 227
Subpart A - Subpart A—General
§ 227.1 - Applicability.
§ 227.2 - Materials which satisfy the environmental impact criteria of subpart B.
§ 227.3 - Materials which do not satisfy the environmental impact criteria set forth in subpart B.
authority:
33 U.S.C. 1412
and 1418
source:
42 FR 2476, Jan. 11, 1977, unless otherwise noted.
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