Selected U.S. Legal and Regulatory Information Resources
United States Code (Contains the complete text of U.S. laws broken up into 50 different titles or subject areas. Many environmental laws are in Title 42).
Code of Federal Regulations (Contains the complete text of regulations agencies use to enforce federa laws. Broken up into 50 different title or subject areas. Most environmental regulations are in Title 40.)
(Contains the text of proposed and newly adopted federal regulations.)
Regulations.gov (View public comments on proposed federal regulations and make your own comments.)