Site Feedback

Title 40

Displaying title 40, up to date as of 7/18/2022. Title 40 was last amended 7/15/2022.
There have been changes in the last two weeks to Title 40.
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.

Learn more about the eCFR, its status, and the editorial process.

Title 40Protection of EnvironmentPart / Section
Chapter IEnvironmental Protection Agency1 – 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 – 1508
Subchapter BAdministrative Procedures and Operations1515 – 1599
Chapter VIChemical Safety and Hazard Investigation Board1600 – 1699
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