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Title 40

Displaying title 40, up to date as of 9/14/2026. Title 40 was last amended 9/14/2026.
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Title 40Protection of EnvironmentPart / Section
Chapter IEnvironmental Protection Agency1 – 1099
Subchapter ISolid Wastes239 – 299
Part 261Identification and Listing of Hazardous Waste261.1 – 261.1090
Subpart AGeneral261.1 – 261.9
Subpart BCriteria for Identifying the Characteristics of Hazardous Waste and for Listing Hazardous Waste261.10 – 261.11
§ 261.10Criteria for identifying the characteristics of hazardous waste.
§ 261.11Criteria for listing hazardous waste.
Subpart CCharacteristics of Hazardous Waste261.20 – 261.24
Subpart DLists of Hazardous Wastes261.30 – 261.35
Subpart EExclusions/Exemptions261.38 – 261.41
Subparts F-G [Reserved]
Subpart HFinancial Requirements for Management of Excluded Hazardous Secondary Materials261.140 – 261.151
Subpart IUse and Management of Containers261.170 – 261.179
Subpart JTank Systems261.190 – 261.200
Subparts K-L [Reserved]
Subpart MEmergency Preparedness and Response for Management of Excluded Hazardous Secondary Materials261.400 – 261.420
Subparts N-Z [Reserved]
Subpart AAAir Emission Standards for Process Vents261.1030 – 261.1049
Subpart BBAir Emission Standards for Equipment Leaks261.1050 – 261.1079
Subpart CCAir Emission Standards for Tanks and Containers261.1080 – 261.1090
Appendix I to Part 261
Representative Sampling Methods
Appendixes II-III to Part 261 [Reserved]
Appendix IV to Part 261 [Reserved for Radioactive Waste Test Methods]
Appendix IV to Part 261 [Reserved for Radioactive Waste Test Methods]
Appendix V to Part 261 [Reserved for Infectious Waste Treatment Specifications]
Appendix V to Part 261 [Reserved for Infectious Waste Treatment Specifications]
Appendix VI to Part 261 [Reserved for Etiologic Agents]
Appendix VI to Part 261 [Reserved for Etiologic Agents]
Appendix VII to Part 261
Basis for Listing Hazardous Waste
Appendix VIII to Part 261
Hazardous Constituents
Appendix IX to Part 261
Wastes Excluded Under §§ 260.20 and 260.22