Federal (United States) · Regulations
Part 51 — ENVIRONMENTAL CRITERIA AND STANDARDS
21 sections
4 groups
- Subpart A — General Provisions3 sections
- Subpart B — Noise Abatement and Control3 sections
- Subpart C — Siting of HUD-Assisted Projects Near Hazardous Operations Handling Conventional Fuels or Chemicals of an Explosive or Flammable Nature9 sections
- Subpart D — Siting of HUD Assisted Projects in Runway Clear Zones at Civil Airports and Clear Zones and Accident Potential Zones at Military Airfields6 sections