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Regulations last checked for updates: Mar 28, 2026
Title 40 - Protection of Environment last revised: Dec 15, 2026
All Titles
Title 40
Chapter I
Part 239
Subpart A - Subpart A—General
§ 239.1 - Purpose.
§ 239.2 - Scope and definitions.
authority:
42 U.S.C. 6912
,
6945
source:
63 FR 57040, Oct. 23, 1998, unless otherwise noted.
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