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Regulations last checked for updates: Feb 06, 2026
Title 40 - Protection of Environment last revised: Dec 22, 2026
All Titles
Title 40
Chapter I
Part 49
Subpart M - Subpart M—Implementation Plans for Tribes—Region X
authority:
42 U.S.C. 7401
,
source:
63 FR 7271, Feb. 12, 1998, unless otherwise noted.
cite as:
40 CFR 49.11022-49.11040
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