24 C.F.R. Part 51
Environmental Criteria and Standards
AGeneral ProvisionsBNoise Abatement and ControlCSiting of HUD-Assisted Projects Near Hazardous Operations Handling Conventional Fuels or Chemicals of an Explosive or Flammable NatureDSiting of HUD Assisted Projects in Runway Clear Zones at Civil Airports and Clear Zones and Accident Potential Zones at Military Airfields