


The House of Representatives maintains a current version of the U.S. The Clean Air Act, like other laws enacted by Congress, was incorporated into the United States Code as Title 42, Chapter 85. Legislation passed since then has made several minor changes. The last major change in the law, the Clean Air Act Amendments of 1990, was enacted by Congress in 1990. The Clean Air Act is the law that defines EPA's responsibilities for protecting and improving the nation's air quality and the stratospheric ozone layer.

Clean Air Act Table of Contents by Title.Air & Radiation Regulations and Statutes.EPA posts proposed and final rules at.Federal Register Notices are available at Federal Register Online.General Information about EPA Regulatory Development.
