Regulations last checked for updates: May 13, 2025

Title 40 - Protection of Environment last revised: Nov 13, 2025
All TitlesTitle 40Chapter IPart 261Subpart B - Subpart B—Criteria for Identifying the Characteristics of Hazardous Waste and for Listing Hazardous Waste
authority: 42 U.S.C. 6905,6912,6921,6922,6924
source: 45 FR 33119, May 19, 1980, unless otherwise noted.
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