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Regulations last checked for updates: Dec 17, 2025
Title 40 - Protection of Environment last revised: Nov 17, 2028
All Titles
Title 40
Chapter I
Part 261 - PART 261—IDENTIFICATION AND LISTING OF HAZARDOUS WASTE
Subpart A [§ 261.1 - § 261.9] - Subpart A—General
Subpart B [§ 261.10 - § 261.11] - Subpart B—Criteria for Identifying the Characteristics of Hazardous Waste and for Listing Hazardous Waste
Subpart C [§ 261.20 - § 261.24] - Subpart C—Characteristics of Hazardous Waste
Subpart D [§ 261.30 - § 261.35] - Subpart D—Lists of Hazardous Wastes
Subpart E [§ 261.38 - § 261.41] - Subpart E—Exclusions/Exemptions
Subpart F - Subparts F-G [Reserved]
Subpart H [§ 261.140 - § 261.151] - Subpart H—Financial Requirements for Management of Excluded Hazardous Secondary Materials
Subpart I [§ 261.170 - § 261.179] - Subpart I—Use and Management of Containers
Subpart J [§ 261.190 - § 261.200] - Subpart J—Tank Systems
Subpart K - Subparts K-L [Reserved]
Subpart M [§ 261.400 - § 261.420] - Subpart M—Emergency Preparedness and Response for Management of Excluded Hazardous Secondary Materials
Subpart N - Subparts N-Z [Reserved]
Subpart AA [§ 261.1030 - § 261.1049] - Subpart AA—Air Emission Standards for Process Vents
Subpart BB [§ 261.1050 - § 261.1079] - Subpart BB—Air Emission Standards for Equipment Leaks
Subpart CC [§ 261.1080 - § 261.1090] - Subpart CC—Air Emission Standards for Tanks and Containers
authority:
42 U.S.C. 6905
,
6912
,
6921
,
6922
,
6924
source:
45 FR 33119, May 19, 1980, unless otherwise noted.
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