PART 50—PROTECTION AND ENHANCEMENT OF ENVIRONMENTAL QUALITY
- SUBPART A—General: Federal Laws and Authorities (§50.1 to §50.4)
- SUBPART B—General Policy: Responsibilities and Program Coverage (§50.10 to §50.11)
- SUBPART C—General Policy: Decision Points (§50.16 to §50.17)
- SUBPART D—General Policy: Environmental Review Procedures (§50.18 to §50.24)
- SUBPART E—Environmental Assessments and Related Reviews (§50.31 to §50.36)
- SUBPART F—Environmental Impact Statements (§50.41 to §50.43)