Title 40 of the CFR -- Protection of Environment (2025)

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eCFR Content

The Code of Federal Regulations (CFR) is the official legal print publication containing the codification of the general and permanent rules published in the Federal Register by the departments and agencies of the Federal Government. The Electronic Code of Federal Regulations (eCFR) is a continuously updated online version of the CFR. It is not an official legal edition of the CFR.

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Title 40Protection of EnvironmentPart / Section
Chapter IEnvironmental Protection Agency1 – 1099
Subchapter AGeneral1 – 31
Subchapter BGrants and Other Federal Assistance33 – 49
Subchapter CAir Programs50 – 99
Subchapter DWater Programs100 – 149
Subchapter EPesticide Programs150 – 189
Subchapter FRadiation Protection Programs190 – 197
Subchapter GNoise Abatement Programs201 – 211
Subchapter HOcean Dumping220 – 238
Subchapter ISolid Wastes239 – 299
Subchapter JSuperfund, Emergency Planning, and Community Right-to-Know Programs300 – 399
Subchapter NEffluent Guidelines and Standards400 – 471
Subchapter OSewage Sludge501 – 503
Subchapter P [Reserved]
Subchapter QEnergy Policy600 – 699
Subchapter RToxic Substances Control Act700 – 799
Subchapters S-T [Reserved]
Subchapter UAir Pollution Controls1000 – 1099
Chapter IVEnvironmental Protection Agency and Department of Justice1400 – 1499
Subchapter AAccidental Release Prevention Requirements; Risk Management Programs Under the Clean Air Act Section 112(r)(7); Distribution of Off-Site Consequence Analysis Information1400 – 1499
Chapter VCouncil on Environmental Quality1500 – 1599
Subchapter ANational Environmental Policy Act Implementing Regulations1500
Subchapter BAdministrative Procedures and Operations1515 – 1599
Chapter VIChemical Safety and Hazard Investigation Board1600 – 1699
Part 1600Organization and Functions of the Chemical Safety and Hazard Investigation Board1600.1 – 1600.6
Part 1601Procedures for Disclosure of Records Under the Freedom of Information Act1601.1 – 1601.40
Part 1602Protection of Privacy and Access to Individual Records Under the Privacy Act of 19741602.1 – 1602.10
Part 1603Rules Implementing the Government in the Sunshine Act1603.1 – 1603.14
Part 1604Reporting of Accidental Releases1604.1 – 1604.6
Part 1610Administrative Investigations1610.1 – 1610.4
Part 1611Testimony by Employees in Legal Proceedings1611.1 – 1611.10
Part 1612Production of Records in Legal Proceedings1612.1 – 1612.5
Parts 1613-1619 [Reserved]
Part 1620Administrative Claims Arising Under the Federal Tort Claims Act1620.1 – 1620.10
Parts 1621-1699 [Reserved]
Chapter VIIEnvironmental Protection Agency and Department of Defense; Uniform National Discharge Standards for Vessels of the Armed Forces1700 – 1799
Part 1700Uniform National Discharge Standards for Vessels of the Armed Forces1700.1 – 1700.42
Parts 1701-1799 [Reserved]
Chapter VIIIGulf Coast Ecosystem Restoration Council1800 – 1899
Part 1800Spill Impact Component1800.1 – 1800.500
Parts 1801-1849 [Reserved]
Part 1850Availability of Records1850.1 – 1850.42
Parts 1851-1899 [Reserved]
Chapter IXFederal Permitting Improvement Steering Council1900
Part 1900Federal Permitting Improvement1900.1 – 1900.2

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Title 40 of the CFR -- Protection of Environment (2025)

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