24 CFR Part 51
ENVIRONMENTAL CRITERIA AND STANDARDS
February 22, 2021
Subpart
A
General Provisions
Subpart
B
Noise Abatement and Control
Subpart
C
Siting of HUD-Assisted Projects Near Hazardous Operations Handling Conventional Fuels or Chemicals of an Explosive or Flammable Nature
Subpart
D
Siting of HUD Assisted Projects in Runway Clear Zones at Civil Airports and Clear Zones and Accident Potential Zones at Military Airfields