Code of Federal Regulations, Title 40 Protection of the Environment 190-259, Revised as of July 1, 2023

Title 40 presents regulations governing care of the environment from the 14 subchapters of Chapter I and from the provisions regarding the Council on Environmental Quality found in Chapter V. Programs addressing air, water, pesticides, radiation protection, and noise abatement are included.

The CFRs are authored by the Office of the Federal Register.