Part 50 — Protection and Enhancement of Environmental Quality
- Subpt. A General: Federal Laws and Authorities §§50.1 to 50.4
- Subpt. B General Policy: Responsibilities and Program Coverage §§50.10 to 50.11
- Subpt. C General Policy: Decision Points §§50.16 to 50.17
- Subpt. D General Policy: Environmental Review Procedures §§50.18 to 50.24
- Subpt. E Environmental Assessments and Related Reviews §§50.31 to 50.36
- Subpt. F Environmental Impact Statements §§50.41 to 50.43