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Regulations last checked for updates: Feb 07, 2026
Title 40 - Protection of Environment last revised: Dec 22, 2026
All Titles
Title 40
Chapter I
Part 63
Subpart LL - Subpart LL—National Emission Standards for Hazardous Air Pollutants for Primary Aluminum Reduction Plants
authority:
42 U.S.C. 7401
source:
57 FR 61992, Dec. 29, 1992, unless otherwise noted.
cite as:
40 CFR 63.841
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