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Regulations last checked for updates: Jan 23, 2026
Title 40 - Protection of Environment last revised: Dec 23, 2031
All Titles
Title 40
Chapter I
Part 449
Subpart 0 -
authority:
33 U.S.C. 1311
,
1314
,
1316
,
1318
,
1342
,
1361
source:
77 FR 29203, May 16, 2012, unless otherwise noted.
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