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Regulations last checked for updates: Feb 11, 2026
Title 40 - Protection of Environment last revised: Dec 22, 2026
All Titles
Title 40
Chapter I
Part 414
Subpart A - Subpart A—General
§ 414.10 - General definitions.
§ 414.11 - Applicability.
§ 414.12 - Compliance date for pretreatment standards for existing sources (PSES).
source:
52 FR 42568, Nov. 5, 1987, unless otherwise noted.
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