Electronic Code of Federal Regulations (e-CFR): Title 40—Protection of Environment
- CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY (Subchapters A - U)
- CHAPTER IV—ENVIRONMENTAL PROTECTION AGENCY AND DEPARTMENT OF JUSTICE (Subchapter A)
- CHAPTER V—COUNCIL ON ENVIRONMENTAL QUALITY (Subchapters A - B)
- CHAPTER VI—CHEMICAL SAFETY AND HAZARD INVESTIGATION BOARD (Parts 1600 - 1621-1699)
- CHAPTER VII—ENVIRONMENTAL PROTECTION AGENCY AND DEPARTMENT OF DEFENSE; UNIFORM NATIONAL DISCHARGE STANDARDS FOR VESSELS OF THE ARMED FORCES (Parts 1700 - 1701-1799)
- CHAPTER VIII—GULF COAST ECOSYSTEM RESTORATION COUNCIL (Parts 1800 - 1851-1899)
- CHAPTER IX—FEDERAL PERMITTING IMPROVEMENT STEERING COUNCIL (Part 1900)